1
|
Ono Y, Akamatsu Y, Kojima D, Miyoshi K, Koji T, Kubo Y, Kashimura H, Ogasawara K. Coil embolization of recurrent ruptured vertebral artery dissection through a marathon microcatheter: A case report. Radiol Case Rep 2024; 19:2332-2336. [PMID: 38559661 PMCID: PMC10978454 DOI: 10.1016/j.radcr.2024.02.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/17/2024] [Accepted: 02/22/2024] [Indexed: 04/04/2024] Open
Abstract
A 56-year-old healthy woman presented with subarachnoid hemorrhage caused by ruptured vertebral artery dissecting aneurysm and was treated with internal trapping of the affected site including the aneurysm. She suffered rebleeding due to recanalization of the aneurysm 5 days after the first treatment. Because of the close proximity of the coil mass to the posterior inferior cerebellar artery (PICA) origin at first treatment, additional coil embolization by tight packing of the coil mass was planned. However, navigation of the microcatheter into the coil mass was challenging due to the tightly packed coil mass. Thus, a Marathon microcatheter, which has narrower outer diameter and is designed for liquid embolization, was used and successfully placed into the coil mass in an anterograde fashion. Thereafter, the DAC was advanced just proximal to the coil mass to reduce the kickback of the microcatheter during deployment of the coils and avoid the coil mass expansion toward the PICA origin, resulting in complete obliteration of the aneurysm with PICA preservation. Follow-up angiography performed 6 months after the second treatment showed complete obliteration of the aneurysm. The patient's course was uneventful after 1 year following the second treatment, with a modified Rankin Scale score of 1. Therefore, coil embolization through the tightly packed coil mass using a Marathon microcatheter is feasible. A low-profile DAC is also useful for enabling physicians to push the coil deployed through the flexible Marathon microcatheter.
Collapse
Affiliation(s)
- Yutaro Ono
- Department of Neurosurgery, Iwate Prefectural Chubu Hospital, Kitakami, Iwate, Japan
| | - Yosuke Akamatsu
- Department of Neurosurgery, Iwate Prefectural Chubu Hospital, Kitakami, Iwate, Japan
- Department of Neurosurgery, Iwate Medical University School of Medicine, Yahaba-cho, Iwate, Japan
| | - Daigo Kojima
- Department of Neurosurgery, Iwate Prefectural Chubu Hospital, Kitakami, Iwate, Japan
| | - Kenya Miyoshi
- Department of Neurosurgery, Iwate Prefectural Chubu Hospital, Kitakami, Iwate, Japan
| | - Takahiro Koji
- Department of Neurosurgery, Iwate Medical University School of Medicine, Yahaba-cho, Iwate, Japan
| | - Yoshitaka Kubo
- Department of Neurosurgery, Iwate Medical University School of Medicine, Yahaba-cho, Iwate, Japan
| | - Hiroshi Kashimura
- Department of Neurosurgery, Iwate Prefectural Chubu Hospital, Kitakami, Iwate, Japan
| | - Kuniaki Ogasawara
- Department of Neurosurgery, Iwate Medical University School of Medicine, Yahaba-cho, Iwate, Japan
| |
Collapse
|
2
|
Knopp M, Appelhans D, Schönfelder M, Seiler S, Wackerhage H. Quantitative Analysis of 92 12-Week Sub-elite Marathon Training Plans. Sports Med Open 2024; 10:50. [PMID: 38695978 PMCID: PMC11065819 DOI: 10.1186/s40798-024-00717-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 04/15/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND A typical training plan is a mix of many training sessions with different intensities and durations to achieve a specific goal, like running a marathon in a certain time. Scientific publications provide little specific information to aid in writing a comprehensive training plan. This review aims to systematically and quantitatively analyse the last 12 weeks before a marathon as recommended in 92 sub-elite training plans. METHODS We retrieved 92 marathon training plans and linked their running training sessions to five intensity zones. Subsequently, each training plan was grouped based on the total running volume in peak week into high (> 90 km/week), middle (65-90 km/week), and low (< 65 km/week) training volume plan categories. RESULTS In the final 12 weeks before a race, recommended weekly running volume averaged 108 km, 59 km, and 43 km for high, middle, and low distance marathon training plans. The intensity distribution of these plans followed a pyramidal training structure with 15-67-10-5-3%, 14-63-18-2-3%, and 12-67-17-2-2% in zones 1, 2, 3, 4, and 5, for high, middle, and low volume training plans, respectively. CONCLUSIONS By quantitatively analysing 92 recommended marathon training plans, we can specify typical recommendations for the last 12 weeks before a marathon race. Whilst this approach has obvious limitations such as no evidence for the effectiveness of the training plans investigated, it is arguably a useful strategy to narrow the gap between science and practice.
Collapse
Affiliation(s)
- Melanie Knopp
- Department of Health and Sport Sciences, Technical University of Munich, Connollystraße 32, 80809, Munich, Germany.
- adidas Innovation, adidas AG, Adi-Dassler-Str. 1, 91074, Herzogenaurach, Germany.
| | - Daniel Appelhans
- Department of Health and Sport Sciences, Technical University of Munich, Connollystraße 32, 80809, Munich, Germany
| | - Martin Schönfelder
- Department of Health and Sport Sciences, Technical University of Munich, Connollystraße 32, 80809, Munich, Germany
| | - Stephen Seiler
- Faculty of Health and Sport Sciences, University of Agder, Kristiansand, Norway
| | - Henning Wackerhage
- Department of Health and Sport Sciences, Technical University of Munich, Connollystraße 32, 80809, Munich, Germany
| |
Collapse
|
3
|
Wang X, Li S, Xia C, Meng X, Li Y, Weng S, Xu T, Wang Y, Kong Y, Lang X, Guo Y, Wang F. Exercise-induced cardiac troponin elevations and cardiac ventricular dysfunction assessed by tissue Doppler echocardiography and speckle tracking among non-elite runners in Beijing marathon. J Sci Med Sport 2024:S1440-2440(24)00134-8. [PMID: 38697867 DOI: 10.1016/j.jsams.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/07/2024] [Accepted: 04/18/2024] [Indexed: 05/05/2024]
Abstract
OBJECTIVES We aimed to identify the major determinants of cardiac troponin changes response to exercise among non-elite runners participating in the Beijing 2022 marathon, with a particular focus on the associations with the cardiac function assessed by tissue Doppler echocardiography and speckle tracking. DESIGN A prospective study. METHODS A total of 33 non-elite participants in the 2022 Beijing Marathon were included in the study. Echocardiographic assessment and blood sample collection were conducted before, immediately after, and two weeks after the marathon. Blood samples were analyzed using the same Abbot high-sensitivity cTnI STAT assay. Echocardiography included tissue Doppler and speckle tracking echocardiography. RESULTS Following the marathon, significant increases were observed in cardiac biomarkers, with hs-cTnI elevating from 3.1 [2.3-6.7] to 49.6 [32.5-76.9] ng/L (P < 0.0001). Over 72 % of participants had post-race hs-TnI levels surpassing the 99th percentile upper reference limit. There was a notable correlation between pre-marathon hs-cTnI levels (β coefficient, 0.56 [0.05, 1.07]; P = 0.042), weekly average training (β coefficient, -1.15 [-1.95, -0.35]; P = 0.009), and hs-cTnI rise post-marathon. Echocardiography revealed significant post-race cardiac function changes, including decreased E/A ratio (P < 0.0001), GWI (P < 0.0001), and GCW (P < 0.0001), with LVEF (β coefficients, 0.112 [0.01, 0.21]; P = 0.042) and RV GLS (β coefficients, 0.124 [0.01, 0.23]; P = 0.035) changes significantly associated with hs-TnI alterations. All echocardiographic and laboratory indicators reverted to baseline levels within two weeks. CONCLUSIONS Baseline hs-cTnI levels and weekly average training influence exercise-induced hs-cTnI elevation in non-elite runners. Echocardiography revealed post-race changes in cardiac function, with LVEF and RV GLS significantly associated with hs-TnI alterations. These findings contribute to understanding the cardiac response to exercise and could guide training and recovery strategies.
Collapse
Affiliation(s)
- Xiang Wang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China
| | - Sidong Li
- Institute of Public Health Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Chenxi Xia
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Peking University Fifth School of Clinical Medicine, Beijing, PR China
| | - Xuyang Meng
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Chinese Academy of Medical Sciences and Peking Union Medical College, PR China
| | - Yi Li
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Chinese Academy of Medical Sciences and Peking Union Medical College, PR China
| | - Sixian Weng
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; College of Life Science, University of Chinese Academy of Sciences, Beijing, China
| | - Tao Xu
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China
| | - Yutong Wang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Chinese Academy of Medical Sciences and Peking Union Medical College, PR China
| | - Yiya Kong
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Chinese Academy of Medical Sciences and Peking Union Medical College, PR China
| | - Xiaotong Lang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China
| | - Ying Guo
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China
| | - Fang Wang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China; Peking University Fifth School of Clinical Medicine, Beijing, PR China; Chinese Academy of Medical Sciences and Peking Union Medical College, PR China; College of Life Science, University of Chinese Academy of Sciences, Beijing, China.
| |
Collapse
|
4
|
Fernandes GD, Maldonado V. The sub 2-h marathon is at hand: how Kelvin Kiptum can use drafting to improve his impressive world record. Eur J Appl Physiol 2024:10.1007/s00421-024-05458-7. [PMID: 38523228 DOI: 10.1007/s00421-024-05458-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 02/27/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND Drafting is a common technique to reduce the drag experienced by elite runners on races, leading to faster finish times. The tactic has been successfully used in previous marathon world records. In the 2023 Chicago Marathon, Kenyan runner Kelvin Kiptum broke the marathon record after a 2:00:35 finish. This feat is impressive considering the lack of use of drafting, despite the availability of two pacers for the majority of the race. METHODS In this study, the drag faced by Kiptum and his pacers during the race is calculated by means of computational fluid dynamics (CFD). The performance of each runner is evaluated from an energetic standpoint, and the analysis is extended to include more efficient drafting formations. RESULTS Running in proper formations results in drag reductions in excess of 70% for the main runner. Our results indicate that, by properly using the advantages of drafting, Kiptum could have finished the race at a staggering 1:57:34, a full three minutes better than his own record and 215 s better than the previous world record. CONCLUSION Proper use of drafting does indeed improve the energetic performance of a runner, allowing for lower race times and potentially helping elite runners in breaking the 2-h barrier for a marathon.
Collapse
Affiliation(s)
- G D Fernandes
- Mechanical Engineering Department, Texas Tech University, 809 Boston Ave, Lubbock, TX, 79409, USA.
| | - Victor Maldonado
- Mechanical Engineering Department, Texas Tech University, 809 Boston Ave, Lubbock, TX, 79409, USA
| |
Collapse
|
5
|
Boudoulas KD, Triposkiadis F, Boudoulas H. Cardiac Risks in Long Distance Runners. Cardiology 2024:1-3. [PMID: 38503269 DOI: 10.1159/000537993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 03/21/2024]
Affiliation(s)
| | | | - Harisios Boudoulas
- Division of Cardiovascular Medicine, The Ohio State University, Columbus, Ohio, USA
- Biomedical Research Foundation, Academy of Athens, Athens, Greece
| |
Collapse
|
6
|
Pannone E, Abbott R. What is known about the health effects of non-steroidal anti-inflammatory drug (NSAID) use in marathon and ultraendurance running: a scoping review. BMJ Open Sport Exerc Med 2024; 10:e001846. [PMID: 38318269 PMCID: PMC10840051 DOI: 10.1136/bmjsem-2023-001846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2024] [Indexed: 02/07/2024] Open
Abstract
This systematic scoping review aimed to understand the extent and scope of evidence on the health risks of non-steroidal anti-inflammatory drug (NSAID) use in marathon and ultraendurance running. NSAIDs are commonly consumed by runners to combat pain and inflammation; however, the health risks of consuming these drugs during marathon and ultrarunning events are currently not fully understood. Four databases (Cochrane Library, PubMed, MEDLINE and SPORTDiscus) were searched to identify articles focusing on running events of 26.2 miles or further, and they must have reported on the health risks of NSAID use. There was no restriction on the study design or the date of publication. Thirty studies were ultimately included: 4 randomised controlled trials, 1 cross-sectional study, 11 retrospective reviews, 4 case reports, 1 non-randomised control trial, and 9 prospective observational studies. The literature showed that potential health concerns of NSAID use could be split into five categories: electrolyte balance and hyponatraemia; acute kidney injury (AKI); gastrointestinal disturbances; oxidative stress, inflammation and muscle damage; other medical concerns. None of these sections had clear statistically significant links with NSAID use in ultraendurance running. However, potential links were shown, especially in AKI and electrolyte balance. This review suggests there is very limited evidence to show that NSAIDs have a negative impact on the health of ultrarunning athletes. Indications from a few non-randomised studies of a possible effect on kidney function need exploring with more high-quality research.
Collapse
Affiliation(s)
- Eve Pannone
- Medical School, University of Exeter, Exeter, UK
| | - Rebecca Abbott
- Medical School, University of Exeter, Exeter, UK
- Evidence Synthesis Team, NIHR Applied Research Collaboration South West (PenARC), University of Exeter, Exeter, UK
| |
Collapse
|
7
|
Carenzo L, Ghio FE, Mariani N, Adami PE, Cecconi M, Bonizzato S. An unusual case of marathon-related exercise associated collapse: Case report and some considerations for medical care at endurance mass participation events. J Sci Med Sport 2024; 27:20-24. [PMID: 37919145 DOI: 10.1016/j.jsams.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/13/2023] [Accepted: 10/14/2023] [Indexed: 11/04/2023]
Abstract
This article presents a unique exercise-associated collapse case during a marathon, highlighting the significance of evidence-based management for athletes on field. The patient, a 61-year-old experienced runner, collapsed near the finish line of the Milano City Marathon. He was aided immediately with CPR and AED. After excluding, through validated algorithms, common and life-threatening causes of collapse, the patient was transferred to hospital. The patient underwent diagnostic procedures, including CT and MRI scans, and hormonal tests that revealed pituitary hemorrhage and underlying coronary artery disease. Follow-up assessments and personalized care were instrumental in the patient's successful recovery and safe return to exercise.
Collapse
Affiliation(s)
- Luca Carenzo
- Department of Anaesthesia and Intensive Care Medicine, IRCCS Humanitas Research Hospital, Italy.
| | | | | | | | - Maurizio Cecconi
- Department of Anaesthesia and Intensive Care Medicine, IRCCS Humanitas Research Hospital, Italy; Department of Biomedical Sciences, Humanitas University, Italy
| | - Sara Bonizzato
- Critical Care Team, I-HELP, Italy; Sport Medicine and Sport Cardiology Unit, Meditel, Italy
| |
Collapse
|
8
|
Hu S, Zhang H, Ma H, Yang C, Hu P, Gao F. Assessment of right ventricular structure and systolic function in amateur marathon runners using three-dimensional speckle tracking echocardiography. Int J Cardiovasc Imaging 2023; 39:1473-1482. [PMID: 37178419 PMCID: PMC10427556 DOI: 10.1007/s10554-023-02869-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
Prolonged high-intensity endurance exercise has been reported to have adverse effects on the heart, which are further correlated with exercise dose. However, its effect on the right ventricle (RV) of amateur runners is unknown. This study aimed was to evaluate the early right ventricular structure and systolic function of amateur marathon runners by three-dimensional speckle tracking echocardiography (3D-STE), and to further analyze the correlation between relevant parameters and the amount of training. A total of 30 amateur marathon runners (marathon group) and 27 healthy volunteers (control group) were enrolled. Conventional echocardiography combined with 3D-STE was performed in all subjects, and the marathon group was screened by echocardiography a week before a marathon (V1), within 1 h post-marathon (V2), and 4 days post-marathon (V3). RV global longitudinal strain (GLS) and RV end-diastolic volume (EDV) increased significantly in the marathon group compared to the control group (P < 0.05). RV GLS was significantly decreased in the marathon group within 1 h post-marathon (V1: - 26.2 ± 2.5% vs V2: - 23.0 ± 1.6% vs V3: - 25.6 ± 2.6%, P < 0.001). However, there was no significant difference in RV ejection fraction (RVEF) (P > 0.05). The results of the correlation analysis showed that RV EDV and RV end-systolic volume (ESV) were positively correlated with the average training volume (P < 0.001). Multivariate linear regression analysis showed that average training volume was an independent predictor of RV EDV in amateur marathoners (β = 0.642, P < 0.001). The systolic function of the RV was enhanced in amateur marathon runners in the early stage, manifested by an increase in RV EDV. After a long period of high-intensity endurance exercise, RV systolic function will temporarily be reduced. 3D-STE can identify this subclinical change with high sensitivity and provide valuable information to assess the structure and function of RV in amateur marathon runners.
Collapse
Affiliation(s)
- Shanting Hu
- Department of Ultrasonography, Affiliate Hospital of Hangzhou Normal University, Hangzhou, China
- School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - Hebin Zhang
- Department of Ultrasonography, Affiliate Hospital of Hangzhou Normal University, Hangzhou, China
- Hangzhou Institute of Sports Medicine for Marathon, Hangzhou, China
| | - Hui Ma
- Department of Ultrasonography, Affiliate Hospital of Hangzhou Normal University, Hangzhou, China
- School of Medicine, Hangzhou Normal University, Hangzhou, China
| | - Cunxin Yang
- Department of Ultrasonography, Affiliate Hospital of Hangzhou Normal University, Hangzhou, China
| | - Peipei Hu
- Department of Ultrasonography, Affiliate Hospital of Hangzhou Normal University, Hangzhou, China
| | - Feng Gao
- Department of Ultrasonography, Affiliate Hospital of Hangzhou Normal University, Hangzhou, China.
- School of Medicine, Hangzhou Normal University, Hangzhou, China.
- Hangzhou Institute of Sports Medicine for Marathon, Hangzhou, China.
| |
Collapse
|
9
|
Otter S, Whitham D, Riley P, Coughtrey J, Whitham S. "I loved it, absolutely loved it" a qualitative study exploring what student podiatrists learn volunteering as part of an interprofessional medical team at a marathon. J Foot Ankle Res 2023; 16:7. [PMID: 36800975 PMCID: PMC9939373 DOI: 10.1186/s13047-023-00607-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 01/31/2023] [Indexed: 02/23/2023] Open
Abstract
BACKGROUND Final year podiatry students volunteer annually as part of the wider interprofessional medical team at both the Brighton and London Marathon race events, supervised by qualified podiatrists, allied health professionals and physicians. Volunteering has been reported to be a positive experience for all participants and a way of developing a range of professional, transferable, and where appropriate, clinical skills. We sought to explore the lived experience of 25 students who volunteered at one of these events and aimed to: i) examine the experiential learning reported by students while volunteering in a dynamic and demanding clinical field environment; ii) determine whether there were elements of learning that could be translated to the traditional teaching environment in a pre-registration podiatry course. METHODS A qualitative design framework informed by the principles of interpretative phenomenological analysis, was adopted to explore this topic. We used IPA principles to enable analysis of four focus groups over a two-year period to generate findings. Focus group conversations were led by an external researcher, recorded, independently transcribed verbatim and anonymised prior to analysis by two different researchers. To enhance credibility, data analysis was followed by independent verification of themes, in addition to respondent validation. RESULTS In total, five themes were identified: i) a new inter-professional working environment, ii) identification of unexpected psychosocial challenges, iii) the rigors of a non-clinical environment, iv) clinical skill development, and v) learning in an interprofessional team. Throughout the focus group conversations, a range of positive and negative experiences were reported by the students. This volunteering opportunity fills a gap in learning as perceived by students, particularly around developing clinical skills and interprofessional working. However, the sometimes-frantic nature of a Marathon race event can both facilitate and impede learning. To maximize learning opportunities, particularly in the interprofessional environment, preparing students for new or different clinical settings remains a considerable challenge.
Collapse
Affiliation(s)
- Simon Otter
- Centre for Regenerative Medicine & Devices, School of Applied Sciences, University of Brighton, Huxley Building Lewes Road, Brighton, BN2 4GJ, UK. .,AECC University College, Parkwood Campus, Parkwood Road, Bournemouth, Dorset, BH5 2DF, UK.
| | - Deborah Whitham
- grid.12477.370000000121073784School of Sport & Health Sciences, University of Brighton, 49 Darley Rd, Eastbourne, BN20 7UR UK
| | - Paula Riley
- grid.12477.370000000121073784School of Sport & Health Sciences, University of Brighton, 49 Darley Rd, Eastbourne, BN20 7UR UK
| | - James Coughtrey
- grid.458433.d0000 0001 2295 8322Royal College of Podiatry, Quartz House, 207 Providence Square, Mill Street, London, SE1 2EW UK
| | | |
Collapse
|
10
|
Toresdahl BG, Metzl JD, Kinderknecht J, McElheny K, de Mille P, Quijano B, Fontana MA. Training patterns associated with injury in New York City Marathon runners. Br J Sports Med 2023; 57:146-152. [PMID: 36113976 DOI: 10.1136/bjsports-2022-105670] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2022] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Training patterns are commonly implicated in running injuries. The purpose of this study was to measure the incidence of injury and illness among marathon runners and the association of injuries with training patterns and workload. METHODS Runners registered for the New York City Marathon were eligible to enrol and prospectively monitored during the 16 weeks before the marathon, divided into 4-week 'training quarters' (TQ) numbered TQ1-TQ4. Training runs were tracked using Strava, a web and mobile platform for tracking exercise. Runners were surveyed at the end of each TQ on injury and illness, and to verify all training runs were recorded. Acute:chronic workload ratio (ACWR) was calculated by dividing the running distance in the past 7 days by the running distance in the past 28 days and analysed using ratio thresholds of 1.3 and 1.5. RESULTS A total of 735 runners participated, mean age 41.0 (SD 10.7) and 46.0% female. Runners tracked 49 195 training runs. The incidence of injury during training was 40.0% (294/735), and the incidence of injury during or immediately after the marathon was 16.0% (112/699). The incidence of illness during training was 27.2% (200/735). Those reporting an initial injury during TQ3 averaged less distance/week during TQ2 compared with uninjured runners, 27.7 vs 31.9 miles/week (p=0.018). Runners reporting an initial injury during TQ1 had more days when the ACWR during TQ1 was ≥1.5 compared with uninjured runners (injured IQR (0-3) days vs uninjured (0-1) days, p=0.009). Multivariable logistic regression for training injuries found an association with the number of days when the ACWR was ≥1.5 (OR 1.06, 95% CI (1.02 to 1.10), p=0.002). CONCLUSION Increases in training volume ≥1.5 ACWR were associated with more injuries among runners training for a marathon. These findings can inform training recommendations and injury prevention programmes for distance runners.
Collapse
Affiliation(s)
- Brett G Toresdahl
- Primary Sports Medicine Service, Hospital for Special Surgery, New York City, New York, USA
| | - Jordan D Metzl
- Primary Sports Medicine Service, Hospital for Special Surgery, New York City, New York, USA
| | - James Kinderknecht
- Primary Sports Medicine Service, Hospital for Special Surgery, New York City, New York, USA
| | - Kathryn McElheny
- Primary Sports Medicine Service, Hospital for Special Surgery, New York City, New York, USA
| | - Polly de Mille
- Sports Rehabilitation and Performance Center, Hospital for Special Surgery, New York, New York, USA
| | - Brianna Quijano
- Primary Sports Medicine Service, Hospital for Special Surgery, New York City, New York, USA
| | - Mark A Fontana
- Center for Analytics, Modeling, and Performance, Hospital for Special Surgery, New York, New York, USA.,Department of Population Health Sciences, Weill Cornell Medical College, New York, New York, USA
| |
Collapse
|
11
|
Scott I, Malliaras P, Tardioli A, Hales S, Morrissey D, Migliorini F, Maffulli N. Achilles tendon thickness reduces immediately after a marathon. J Orthop Surg Res 2022; 17:562. [PMID: 36564836 PMCID: PMC9783442 DOI: 10.1186/s13018-022-03448-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/12/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND The purpose of the present investigation was to evaluate the immediate effect of running a marathon on Achilles tendon anteroposterior thickness. METHODS In 25 runners who took part in the London marathon, ultrasonography was used to measure the Achilles tendon thickness pre- and immediately post-marathon and to identify any structural abnormalities indicating tendinopathy. Pain was recorded using a numerical rating scale at baseline and post-marathon. Twenty-one participants were included in the final analysis. RESULTS Running a marathon resulted in a significant decrease (- 13%, p < 0.01) in anteroposterior diameter of the Achilles tendon immediately following the marathon. There was no change in the proportion of Achilles tendons with structural abnormalities (34%) or pain (12%) following the marathon (p > 0.05). CONCLUSION Running a marathon resulted in an immediate reduction in anteroposterior diameter of the Achilles tendon. This finding may have implications for injury prevention and recovery following a marathon.
Collapse
Affiliation(s)
- Isabelle Scott
- grid.4991.50000 0004 1936 8948Department of Mathematics, University of Oxford, Oxford, England
| | - Peter Malliaras
- grid.4868.20000 0001 2171 1133Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, London, E1 4DG England ,grid.1002.30000 0004 1936 7857Department of Physiotherapy, Monash University, Melbourne, VIC Australia
| | - Alex Tardioli
- grid.4868.20000 0001 2171 1133Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, London, E1 4DG England
| | - Sarah Hales
- grid.4868.20000 0001 2171 1133Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, London, E1 4DG England
| | - Dylan Morrissey
- grid.4868.20000 0001 2171 1133Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, London, E1 4DG England
| | - Filippo Migliorini
- grid.412301.50000 0000 8653 1507Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany
| | - Nicola Maffulli
- grid.4868.20000 0001 2171 1133Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, Queen Mary University of London, London, E1 4DG England ,grid.11780.3f0000 0004 1937 0335Department of Medicine, Surgery and Dentistry, University of Salerno, 84081 Baronissi, SA Italy ,grid.9757.c0000 0004 0415 6205Faculty of Medicine, School of Pharmacy and Bioengineering, Keele University, Stoke on Trent, ST4 7QB England
| |
Collapse
|
12
|
Hunter I, Bradshaw C, McLeod A, Ward J, Standifird T. Energetics and Biomechanics of Uphill, Downhill and Level Running in Highly-Cushioned Carbon Fiber Midsole Plated Shoes. J Sports Sci Med 2022; 21:127-130. [PMID: 35250342 PMCID: PMC8851112 DOI: 10.52082/jssm.2022.127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
Road-racing shoes recently experienced major changes. In the recent past, lightweight, thin midsole shoes were thought to help runners maximize their performance. But, in 2017, Nike released the Vaporfly shoe which transformed the thinking about racing shoe design. Incorporating a curved carbon fiber plate embedded in a thick, compliant and resilient midsole resulted in a reduced metabolic cost across a range of running speeds. We hypothesized the new style of shoes would be less effective uphill than downhill due to the larger ground reaction forces and hence greater elastic energy storage in the shoe during downhill running. Eighteen runners completed two days of testing, each comprising two trials of two shoe models (Saucony Endorphin Pro (EP) and Type A) and three grade conditions (uphill, level and downhill), i.e. 12 trials per day. Oxygen uptake, ground reaction forces, and lower-body kinematics were captured during each condition. Comparisons of the percent metabolic benefit were made between shoes for each grade. Stride rate, ground time, peak vertical force, and flight time were regressed with the percent metabolic benefit of the EP over the Type A shoe across grades. Metabolic benefits of the Endorphin Pro were similar across the three grade conditions (p = 0.778). No significant correlations were observed between how much benefit one runner got over another specific to grade. The new style of road-racing shoes effectively decreases metabolic cost equally across grades. Differences in running mechanics between runners did not explain greater individual metabolic benefits between shoe conditions during uphill or downhill running.
Collapse
|
13
|
Thuillier P, Domun N, Sonnet E, Le Ven F, Roudaut C, Kergus A, Kerlan V, Roudaut N. Prevention of exercise-induced hypoglycemia in 12 patients with type 1 diabetes running the Paris Marathon using continuous glucose monitoring: a prospective, single-center observational study. Diabetes Metab 2022; 48:101321. [PMID: 35032674 DOI: 10.1016/j.diabet.2022.101321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE To investigate the glycemic balance before, during and after the 2016 Paris Marathon using a real-time continuous glucose monitoring (RT-CGM) system in patients with type 1 diabetes mellitus in a prospective single-center observational study. METHODS Inclusion criteria were as follows: type 1 diabetes mellitus; age ≥18 years; HbA1c < 9%. Participants performed two 2h-preparatory races (PR) before the Marathon and were monitored with RT-CGM 24h before, during and 72h after each race. Hypoglycemic events were prevented via carbohydrate intake / insulin dose adjustments. The primary outcome was area under the curve (AUC) < 70 and > 200 mg/dl and percentage of time spent in euglycemia, hypoglycemia, and hyperglycemia during the races. RESULTS Twelve patients (2F/10M; median HbA1c=6.8%) were included and completed the study. Median AUC < 70 and time spent in hypoglycemia (< 70 mg/dl) during the PRs and Marathon were equal to 0. However, no hypoglycemic episodes occurred during Marathon, while two patients experienced hypoglycemia during PR1 and PR2. There was a significant increase in AUC > 200 mg/dl during races between PR2 and Marathon (P = 0.009) although the median time spent > 200mg/dl was not statistically different in Marathon versus PR2 (48.4% versus 18.4%; P = 0.09). Median time spent in euglycemia (70-200 mg/dl) was lower in Marathon versus PR2 (51.6 versus 58%; P = 0.03). CONCLUSION Our study proposes a medical support protocol for extreme endurance physical activity in patients with type 1 diabetes mellitus. Our results suggest that RT-CGM, coupled with adjustments in carbohydrate intake and insulin doses, appears to be effective to prevent hypoglycemia during and after exercise.
Collapse
Affiliation(s)
- Philippe Thuillier
- Department of Endocrinology, University Hospital of Brest, France; EA GETBO 3878, University Hospital of Brest, France.
| | - Nikhil Domun
- Department of Endocrinology, University Hospital of Brest, France; EA GETBO 3878, University Hospital of Brest, France
| | - Emmanuel Sonnet
- Department of Endocrinology, University Hospital of Brest, France; EA GETBO 3878, University Hospital of Brest, France
| | - Florent Le Ven
- Department of Endocrinology, University Hospital of Brest, France; Department of Cardiology, University Hospital of Brest, France
| | - Caroline Roudaut
- Department of Endocrinology, University Hospital of Brest, France
| | - Anne Kergus
- Department of Endocrinology, University Hospital of Brest, France
| | - Véronique Kerlan
- Department of Endocrinology, University Hospital of Brest, France; EA GETBO 3878, University Hospital of Brest, France
| | - Nathalie Roudaut
- Department of Endocrinology, University Hospital of Brest, France; EA GETBO 3878, University Hospital of Brest, France
| |
Collapse
|
14
|
Horga LM, Henckel J, Fotiadou A, Di Laura A, Hirschmann AC, Lee R, Hart AJ. What happens to the lower lumbar spine after marathon running: a 3.0 T MRI study of 21 first-time marathoners. Skeletal Radiol 2022; 51:971-80. [PMID: 34541607 DOI: 10.1007/s00256-021-03906-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/07/2021] [Accepted: 09/07/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To better understand the impact of long-distance running on runners' lumbar spines by assessing changes before and after their first marathon run. MATERIALS AND METHODS The lumbar spines of 28 asymptomatic adults (14 males, 14 females, mean age: 30 years old), who registered for their first marathon, the 2019 London Richmond Marathon, were examined 16 weeks before (time point 1) and 2 weeks after (time point 2) the marathon. Participants undertook a pre-race 16-week training programme. Magnetic resonance imaging (MRI) of high-resolution 3.0 Tesla was used at each time point. Senior musculoskeletal radiologists assessed the lower lumbar spine condition. RESULTS Out of 28 participants, 21 completed both the training and the race and 7 neither completed the training nor started the marathon but not due to spine-related issues. At time point 1, disc degeneration was detected in 17/28 (61%), most predominantly at spinal segments L4-L5 and L5-S1. No back pain/other symptoms were reported. When compared to time point 2, there was no progression in the extent of disc degeneration, including intervertebral disc (IVD) height (p = 0.234), width (p = 0.359), and intervertebral distance (p = 0.641). There was a regression in 2 out of 8 (25%) participants who had pre-marathon sacroiliac joint bone marrow oedema, and a small increase in the size of a pre-marathon subchondral cyst in one participant, all asymptomatic. CONCLUSION Running 500 miles over 4 months plus a marathon for the first time had no adverse effects on the lumbar spine, even when early degenerative changes were present. Additionally, there was evidence of regression of sacroiliac joint abnormalities.
Collapse
|
15
|
Finke SR, Jänig C, Deschler A, Hanske J, Herff H, Hinkelbein J, Böttiger BW, Schmidbauer W, Schroeder DC. [Medical emergencies during running events]. Notf Rett Med 2021;:1-10. [PMID: 34873391 DOI: 10.1007/s10049-021-00959-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/14/2021] [Indexed: 11/17/2022]
Abstract
Hintergrund Die Anzahl an kurz- und langstreckigen Laufveranstaltungen in Deutschland nimmt zu. Laufen als Breitensport wird von einer Vielzahl an Personen unterschiedlicher Altersklassen, Risikogruppen und Professionalisierungsgrade betrieben, woraus ein breites Spektrum medizinischer Notfälle resultiert. Ziel der Arbeit Der vorliegende Beitrag erläutert die Inzidenz, Pathophysiologie und Therapie relevanter Notfallbilder bei Laufveranstaltungen. Ziel ist die Optimierung der Arbeitsabläufe des Rettungsdienstpersonals. Material und Methoden Es erfolgte eine Literaturrecherche in PubMed. Ergebnisse Anstrengungsassoziierte Muskelkrämpfe, gastrointestinale Symptome, Kollaps, Kompartmentsyndrom und Tendinopathien sind häufige Erscheinungsbilder und resultieren meist aus akuter oder chronischer Überanstrengung. Der Kreislaufstillstand bzw. plötzliche Herztod ist ein seltenes Ereignis bei Laufveranstaltungen. Bewusstseinsstörungen und generalisierte Krampfanfälle sind schwerwiegende Komplikationen. Disseminierte intravasale Koagulopathie, belastungsinduzierte Hyponatriämie, Hitzschlag, Rhabdomyolyse und thromboembolische Ereignisse sind mit hoher Morbidität und Mortalität verbunden. Substanzen zur Erhöhung der Schmerzschwelle und leistungssteigernde Substanzen sind unter Läufern stark verbreitet und gehen mit einer hohen Rate an Nebenwirkungen einher. Diskussion Unspezifische Symptome wie Erbrechen, Fieber, Kollaps, Muskelschmerzen, Übelkeit, und Schwäche sind die führenden Symptome bei Laufveranstaltungen. Eine sorgfältige Anamnese ist wegweisend für eine zielgerichtete klinische Therapie. Präklinisch steht eine Symptomkontrolle im Mittelpunkt. Das Flüssigkeitsmanagement stellt eine besondere Herausforderung dar.
Collapse
|
16
|
Martinez-Cano JP, Ramos-Rivera JC, Gómez-García J, Casas–Barragán GA, Rosales MC, Escobar-Gonzalez SS. Anterior knee pain in runners after a half- marathon race. J Clin Orthop Trauma 2021; 23:101640. [PMID: 34733605 PMCID: PMC8545678 DOI: 10.1016/j.jcot.2021.101640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/20/2021] [Accepted: 10/07/2021] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Anterior knee pain has been associated with sports activity, especially long-distance running and endurance sports. It is important to determine the incidence of anterior knee pain (AKP) in runners after a half-marathon race and identify possible risk factors associated. METHODS Cross-sectional study where runners from a half marathon race were randomly invited to participate. Participants were recruited at the race kit pickup site the day before the race. Eligible participants completed a survey regarding demographic information, running experience and training details. An orthopedic surgeon performed a physical examination and recorded the medical history. At the finish line, the participants were evaluated again for possible new injuries. RESULTS A total of 205 runners were included in the study, with a 98.5% follow-up rate (n = 203). 24% of runners had an injury at the end of the race (n = 49). Anterior knee pain was the most frequent injury (n = 12), followed by iliotibial band syndrome (n = 10), muscle cramps (n = 7) and hamstring tears (n = 4). Anterior knee pain had a statistically significant association with insufficient stretching of the hamstrings (p = 0.048) and finishing the race in more than 2 h (p = 0.014). CONCLUSIONS Anterior knee pain was the most frequent new injury in the half-marathon runners after the competition. Spending more than 2 h to finish the race and stretching the hamstrings by less than 70° in the supine position were risk factors for anterior knee pain.
Collapse
Affiliation(s)
- Juan Pablo Martinez-Cano
- Fundación Valle del Lili, Departamento de Ortopedia, Cra 98 No. 18 - 49, Cali, 760032, Colombia
- Universidad Icesi, Calle 18 No. 122 – 135, Cali, Colombia
| | - Juan Carlos Ramos-Rivera
- Universidad Icesi, Calle 18 No. 122 – 135, Cali, Colombia
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra 98 No. 18 – 49, Cali, 760032, Colombia
| | | | | | - Maria Cecilia Rosales
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra 98 No. 18 – 49, Cali, 760032, Colombia
| | - Sara Sofia Escobar-Gonzalez
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra 98 No. 18 – 49, Cali, 760032, Colombia
| |
Collapse
|
17
|
Berger N, Cooley D, Graham M, Harrison C, Campbell G, Best R. Consistency Is Key When Setting a New World Record for Running 10 Marathons in 10 Days. Int J Environ Res Public Health 2021; 18:12066. [PMID: 34831820 DOI: 10.3390/ijerph182212066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 11/16/2022]
Abstract
Background: We describe the requirements and physiological changes when running 10 consecutive marathons in 10 days at the same consistent pace by a female ultra-endurance athlete. Methods: Sharon Gayter (SG) 54 yrs, 162.5 cm, 49.3 kg maximal oxygen uptake (VO2 max) 53 mL/kg−1/min−1. SG completed 42.195 km on a treadmill every day for 10 days. We measured heart rate (HR), Rating of Perceived Exertion (RPE), oxygen uptake (VO2), weight, body composition, blood parameters, nutrition, and hydration. Results: SG broke the previous record by ~2.5 h, with a cumulative completion time of 43 h 51 min 39 s. Over the 10 days, weight decreased from 51 kg to 48.4 kg, bodyfat mass from 9.1 kg to 7.2 kg (17.9% to 14.8%), and muscle mass from 23.2 kg to 22.8 kg. For all marathons combined, exercise intensity was ~60% VO2 max; VO2 1.6 ± 0.1 L.min−1/32.3 ± 1.1 mL.kg−1.min−1, RER 0.8 ± 0, HR 143 ± 4 b.min−1. Energy expenditure (EE) was 2030 ± 82 kcal/marathon, total EE for 10 days (including BMR) was 33,056 kcal, daily energy intake (EI) 2036 ± 418 kcal (20,356 kcal total), resulting an energy deficit (ED) of 12,700 kcal. Discussion: Performance and pacing were highly consistent across all 10 marathons without any substantial physiological decrements. Although overall EI did not match EE, leading to a significant ED, resulting in a 2.6 kg weight loss and decreases in bodyfat and skeletal muscle mass, this did not affect performance.
Collapse
|
18
|
Herbert AJ, Williams AG, Lockey SJ, Erskine RM, Sale C, Hennis PJ, Day SH, Stebbings GK. Bone mineral density in high-level endurance runners: Part B-genotype-dependent characteristics. Eur J Appl Physiol 2021; 122:71-80. [PMID: 34550467 PMCID: PMC8748376 DOI: 10.1007/s00421-021-04789-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 08/12/2021] [Indexed: 11/25/2022]
Abstract
Purpose Inter-individual variability in bone mineral density (BMD) exists within and between endurance runners and non-athletes, probably in part due to differing genetic profiles. Certainty is lacking, however, regarding which genetic variants may contribute to BMD in endurance runners and if specific genotypes are sensitive to environmental factors, such as mechanical loading via training. Method Ten single-nucleotide polymorphisms (SNPs) were identified from previous genome-wide and/or candidate gene association studies that have a functional effect on bone physiology. The aims of this study were to investigate (1) associations between genotype at those 10 SNPs and bone phenotypes in high-level endurance runners, and (2) interactions between genotype and athlete status on bone phenotypes. Results Female runners with P2RX7 rs3751143 AA genotype had 4% higher total-body BMD and 5% higher leg BMD than AC + CC genotypes. Male runners with WNT16 rs3801387 AA genotype had 14% lower lumbar spine BMD than AA genotype non-athletes, whilst AG + GG genotype runners also had 5% higher leg BMD than AG + GG genotype non-athletes. Conclusion We report novel associations between P2RX7 rs3751143 genotype and BMD in female runners, whilst differences in BMD between male runners and non-athletes with the same WNT16 rs3801387 genotype existed, highlighting a potential genetic interaction with factors common in endurance runners, such as high levels of mechanical loading. These findings contribute to our knowledge of the genetic associations with BMD and improve our understanding of why some runners have lower BMD than others. Supplementary Information The online version contains supplementary material available at 10.1007/s00421-021-04789-z.
Collapse
Affiliation(s)
- A J Herbert
- School of Health Sciences, Birmingham City University, Birmingham, UK.
| | - A G Williams
- Sports Genomics Laboratory, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester, UK
- Institute of Sport, Exercise and Health, University College London, London, UK
| | - S J Lockey
- Faculty of Health, Education, Medicine and Social Care, Anglia Ruskin University, Chelmsford, UK
| | - R M Erskine
- School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
- Institute of Sport, Exercise and Health, University College London, London, UK
| | - C Sale
- Musculoskeletal Physiology Research Group, Sport, Health and Performance Enhancement Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - P J Hennis
- Musculoskeletal Physiology Research Group, Sport, Health and Performance Enhancement Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - S H Day
- School of Medicine and Clinical Practice, University of Wolverhampton, Wolverhampton, UK
| | - G K Stebbings
- Sports Genomics Laboratory, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester, UK
| |
Collapse
|
19
|
Herbert AJ, Williams AG, Lockey SJ, Erskine RM, Sale C, Hennis PJ, Day SH, Stebbings GK. Bone mineral density in high-level endurance runners: part A-site-specific characteristics. Eur J Appl Physiol 2021; 121:3437-3445. [PMID: 34510274 PMCID: PMC8571133 DOI: 10.1007/s00421-021-04793-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 08/12/2021] [Indexed: 11/29/2022]
Abstract
PURPOSE Physical activity, particularly mechanical loading that results in high-peak force and is multi-directional in nature, increases bone mineral density (BMD). In athletes such as endurance runners, this association is more complex due to other factors such as low energy availability and menstrual dysfunction. Moreover, many studies of athletes have used small sample sizes and/or athletes of varying abilities, making it difficult to compare BMD phenotypes between studies. METHOD The primary aim of this study was to compare dual-energy X-ray absorptiometry (DXA) derived bone phenotypes of high-level endurance runners (58 women and 45 men) to non-athletes (60 women and 52 men). Our secondary aim was to examine the influence of menstrual irregularities and sporting activity completed during childhood on these bone phenotypes. RESULTS Female runners had higher leg (4%) but not total body or lumbar spine BMD than female non-athletes. Male runners had lower lumbar spine (9%) but similar total and leg BMD compared to male non-athletes, suggesting that high levels of site-specific mechanical loading was advantageous for BMD in females only and a potential presence of reduced energy availability in males. Menstrual status in females and the number of sports completed in childhood in males and females had no influence on bone phenotypes within the runners. CONCLUSION Given the large variability in BMD in runners and non-athletes, other factors such as variation in genetic make-up alongside mechanical loading probably influence BMD across the adult lifespan.
Collapse
Affiliation(s)
- A J Herbert
- School of Health Sciences, Birmingham City University, Birmingham, UK.
| | - A G Williams
- Sports Genomics Laboratory, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester, UK.,Institute of Sport, Exercise and Health, University College London, London, UK
| | - S J Lockey
- Faculty of Health, Education, Medicine and Social Care, Anglia Ruskin University, Chelmsford, UK
| | - R M Erskine
- School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK.,Institute of Sport, Exercise and Health, University College London, London, UK
| | - C Sale
- Musculoskeletal Physiology Research Group, Sport, Health and Performance Enhancement Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - P J Hennis
- Musculoskeletal Physiology Research Group, Sport, Health and Performance Enhancement Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - S H Day
- School of Medicine and Clinical Practice, University of Wolverhampton, Wolverhampton, UK
| | - G K Stebbings
- Sports Genomics Laboratory, Department of Sport and Exercise Sciences, Manchester Metropolitan University, Manchester, UK
| |
Collapse
|
20
|
Zhang Y, Shu D, Yao W, Ding J, Chen L, Lin X, Tian T, Liu J. MRI study of changes in knee bone marrow edema-like signal in asymptomatic amateur marathon runners before and after half-marathon running. Clin Imaging 2021; 80:150-157. [PMID: 34332463 DOI: 10.1016/j.clinimag.2021.05.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 05/02/2021] [Accepted: 05/10/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To evaluate the incidence of knee bone marrow edema-like signal and its changes before and after running a half marathon running in asymptomatic amateur marathon runners to explore the impact of the half marathon on knee bone marrow edema-like signal. METHODS 50 asymptomatic amateur marathon runners (30 males, 20 females) were recruited. T1-weighted imaging (T1WI), fat-suppressed protein density weighted imaging (fs-PDWI) and three-dimensional double-echo steady-state (3D-DESS) sequence on the right knee were performed before and within 3 h after a half-marathon running. 20 healthy volunteers were recruited as control. According to the whole-organ magnetic resonance imaging score (WORMS) system, the involvement of bone marrow edema-like signal in 15 regions of knee was graded from 0 to 3. The results were classified and Mann Whitney U test was used for comparison between groups. RESULTS The total incidence of bone marrow edema-like signal in amateur marathon group was 62%. Among them, the incidence of grade 1-3 was 48% (24/50), 12% (6/50), 2% (1/50), respectively, which was statistically significant compared with the controls (P = 0.007). There was no significant difference between gender before running (P = 0.172) and after running (P = 0.162). There was no significant difference before and after running (P > 0.05). However, 3 subjects showed new lesions, 8 subjects showed progression and 4 subjects showed decreased signal. CONCLUSION The occurrence of knee bone marrow edema-like signal in amateur marathon runners is more common. The lesions of bone marrow edema-like signal will show aggravation or improvement in a certain extent after the half marathon.
Collapse
Affiliation(s)
- Yi Zhang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| | - Dingbo Shu
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| | - Wanzhen Yao
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| | - Jianping Ding
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China.
| | - Leilei Chen
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| | - Xiaoying Lin
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| | - Tian Tian
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| | - Jie Liu
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou 310000, Zhejiang, China
| |
Collapse
|
21
|
Wen X, Huang YM, Shen TH, Gong YL, Dong RQ, Xia L, Xie TS. Prevalence of abnormal and borderline electrocardiogram changes in 13, 079 Chinese amateur marathon runners. BMC Sports Sci Med Rehabil 2021; 13:41. [PMID: 33879236 PMCID: PMC8056690 DOI: 10.1186/s13102-021-00268-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 04/12/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND The 12-lead electrocardiogram (ECG) has been adopted as an important component of preparticipation cardiovascular screening. However, there are still controversies in the screening and few studies with a large sample size have reported the results of ECGs of marathon runners. Therefore, the purpose of this study was to assess the prevalence of normal, borderline, and abnormal ECG changes in marathon runners. METHODS The 12-lead ECG data of 13,079 amateur marathon runners between the ages of 18 and 35 years were included for analysis. The prevalence of ECG abnormalities among different gender groups was compared with chi-square tests. RESULTS In terms of training-related changes, sinus bradycardia, sinus arrhythmia, and left ventricular high voltage were found in approximately 15, 5, and 3.28% of the participants, respectively. The incidence of right axis deviation in the marathon runners was 1.78%, which was slightly higher than the incidence of left axis deviation (0.88%). No more than 0.1% of the amateur marathon runners exhibited ST-segment depression, T wave inversion (TWI), premature ventricular contraction, pathologic Q waves, and prolonged QT interval. CONCLUSIONS Training-related ECG changes, including sinus bradycardia, sinus arrhythmia, and left ventricular high voltage, were common in amateur marathon runners. Most abnormal ECG changes, including ST-segment depression, TWI, premature ventricular contraction, pathologic Q waves, and prolonged QT interval, were infrequently found in amateur marathon runners. The data also suggested Chinese amateur marathon runners may have a relatively lower prevalence of ECG abnormalities than black and white runners.
Collapse
Affiliation(s)
- Xu Wen
- Department of Sport Science, College of Education, Zhejiang University, Hangzhou, China
| | - Yu-min Huang
- Department of Sport Science, College of Education, Zhejiang University, Hangzhou, China
| | - Tong-Hui Shen
- School of Sport, Exercise and Health Sciences, Loughborough University, Leicestershire, UK
| | - Ying-Lan Gong
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Rui-qing Dong
- Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China
| | - Ling Xia
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Tian-sheng Xie
- Zhejiang Sino-German Institute of Life science and Healthcare, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| |
Collapse
|
22
|
Appenzeller O. Reflections on the past three decades of high-altitude exercise research and the autonomic nervous system. Clin Auton Res 2021; 31:31-33. [PMID: 33399958 PMCID: PMC7783694 DOI: 10.1007/s10286-020-00754-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Otto Appenzeller
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA. .,New Mexico Health Enhancement and Marathon Clinics Research Foundation, 361 Big Horn Ridge Drive NE, Albuquerque, NM, USA. .,New Mexico Museum of Natural History & Science, Albuquerque, NM, USA.
| |
Collapse
|
23
|
Yao W, Zhang Y, Zhang L, Zhou J, Zhang Y, Zheng X, Ding J. MRI features of and factors related to ankle injuries in asymptomatic amateur marathon runners. Skeletal Radiol 2021; 50:87-95. [PMID: 32632469 PMCID: PMC7677287 DOI: 10.1007/s00256-020-03530-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 06/22/2020] [Accepted: 06/23/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To analyze the MRI manifestations of and factors related to ankle injuries in asymptomatic amateur marathon runners. MATERIALS AND METHODS A total of 113 amateur marathon runners without any ankle joint symptoms were recruited. Each participant was asked to complete a questionnaire at the beginning of the study and underwent MRI of the ankle. The MRI manifestations of ankle injuries were summarized, and binary logistic regression analysis was applied to analyze the factors related to ankle injuries. RESULTS The main MRI features were bone marrow edema-like signal intensity, peritendinous effusion, and partial lateral collateral ligament injury. Others included Achilles tendinopathy, cyst-like lesions, osteochondral lesions, and subcutaneous soft tissue edema. The risk factor for bone marrow edema-like signal intensity in amateur marathon runners was a rearfoot strike pattern (p = 0.028, OR = 1.172); the risk factors for peritendinous effusion were a higher weekly running distance (p = 0.013, OR = 1.685) and increased running years (p = 0.039, OR = 1.113), whereas a rearfoot strike pattern (p = 0.005, OR = 0.831) was a protective factor for peritendinous effusion; the risk factor for Achilles tendinopathy was increased age (p = 0.008, OR = 1.412); the risk factors for anterior talofibular ligament injury were a rearfoot strike pattern (p = 0.017, OR = 1.346) and higher weekly running distance (p = 0.022, OR = 1.171); and the factors for calcaneofibular ligament injury were a higher weekly running distance (p = 0.029, OR = 1.570) and rearfoot strike pattern (p = 0.035, OR = 1.463). CONCLUSION The main MRI features of asymptomatic amateur marathon runners are bone marrow edema-like signal intensity, peritendinous effusion, and partial lateral collateral ligament injury. In addition, increased age, increased running years, higher weekly running distance, and different foot strike patterns are risk factors for ankle injuries.
Collapse
Affiliation(s)
- Wanzhen Yao
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Yanjing Zhang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Li Zhang
- Department of Radiology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, Zhejiang China
| | - Jing Zhou
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Yi Zhang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Xiaozhong Zheng
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| | - Jianping Ding
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, No. 126, Wenzhou Road, Gongshu District, Hangzhou, 310000 Zhejiang China
| |
Collapse
|
24
|
Hafazalla K, Baldassari MP, Sweid A, Starke R, Sajja K, Lebovitz J, Storey C, Herial N, Tjoumakaris S, Gooch MR, Zarzour H, Rosenwasser R, Jabbour P. A comparison of dual-lumen balloon and simple microcatheters in the embolization of DAVFs and AVMs using onyx. J Clin Neurosci 2020; 81:295-301. [PMID: 33222933 DOI: 10.1016/j.jocn.2020.10.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/14/2020] [Accepted: 10/03/2020] [Indexed: 11/27/2022]
Abstract
Endovascular embolization of arteriovenous malformations (AVMs) and dural arteriovenous fistulas (DAVFs) has become the mainstay in treatment for these pathologies. Traditional techniques required the formation of a proximal plug of Onyx around the microcatheter prior to embolization to avoid reflux. Recently, dual-lumen balloon catheters have been introduced as a potential solution to this issue. We sought to compare our institutional experience with dual-lumen balloons to traditional microcatheters in the endovascular embolization of AVMs and DAVFs. A retrospective analysis of consecutive patients treated with Scepter between 2016 and 2020 was obtained. A control cohort treated with Marathon between 2012 and 2020 was also obtained. Variables collected included patient demographics, procedure times, pedicles treated, operative complications, obliteration rate, and retreatment rate. A total of 44 trial (30 DAVFs and 14 AVMs) and 25 control (15 DAVFs and 10 AVMs) subjects were identified. Average Scepter procedure times were 66.0 and 68.0 min for DAVFs and AVMs, respectively. Average Scepter volume of Onyx injected was 2.2 and 1.4 mL for DAVFs and AVMs, respectively. Complete angiographic occlusion Scepter rate was 86.7% and 50.0% for DAVFs and AVMs, respectively. The Scepter retreatment rate was 13.3% and 50.0% for DAVFs and AVMs, respectively. Predictors of angiographic occlusion included the number of pedicles (OR 0.54, 95%CI 0.30-0.97, p = 0.04). Predictors of retreatment included DAVF (OR 0.16, 95%CI 0.04-0.66, p = 0.01) and Marathon (OR 3.34, 95%CI 1.00-11.56, p = 0.05). Our study shows that dual-lumen balloon catheters are a viable option in the embolization of DAVFs and AVMs.
Collapse
Affiliation(s)
- Karim Hafazalla
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Michael P Baldassari
- Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, United States
| | - Ahmad Sweid
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Robert Starke
- Department of Neurological Surgery, University of Miami, Miami, FL, United States
| | - Kalyan Sajja
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Jonathon Lebovitz
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Christopher Storey
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Nabeel Herial
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Stavropoula Tjoumakaris
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Michael R Gooch
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Hekmat Zarzour
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Robert Rosenwasser
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States
| | - Pascal Jabbour
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, PA, United States.
| |
Collapse
|
25
|
Żebrowska A, Sadowska-Krępa E, Stanula A, Waśkiewicz Z, Łakomy O, Bezuglov E, Nikolaidis PT, Rosemann T, Knechtle B. The effect of vitamin D supplementation on serum total 25(OH) levels and biochemical markers of skeletal muscles in runners. J Int Soc Sports Nutr 2020; 17:18. [PMID: 32272973 PMCID: PMC7144051 DOI: 10.1186/s12970-020-00347-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 03/25/2020] [Indexed: 01/01/2023] Open
Abstract
Background The beneficial adaptation of skeletal muscle function to strenuous exercise is partially attributable to the improvement of vitamin D status. The present study aimed to evaluate the effects of a 3-week vitamin D supplementation on serum 25(OH)D levels and skeletal muscle biomarkers (i.e. troponin, myoglobin, creatine kinase and lactic dehydrogenase) of endurance runners. Methods A double-blind placebo-controlled study design was used and vitamin D supplementation was compared to a non-treatment control group. Twenty-four runners, competitors of the ultra-marathons held during the National Running Championships, were randomly assigned into two groups supplemented with the dose of 2000 IU vitamin D or placebo for three weeks. All subjects participated in three exercise protocols: (a) incremental exercise test (to determine the maximum oxygen uptake and the intensity of eccentric exercise), (b) eccentric exercise before and (c) after two dietary protocols. Venous blood samples were drawn at rest, immediately after the exercise and after 1 h and 24 h of recovery in order to estimate serum 25(OH)D levels, skeletal muscle biomarkers, proinflammatory cytokines and tumor necrosis factor-alpha (TNF-α) levels. A two-way ANOVA was used to test main effects and their interactions and Pearson correlation coefficients were analyzed to determine the effects of inter-variable relationships. Results Significant differences between pre- and post-intervention in baseline 25(OH)D levels were observed (34.9 ± 4.7 versus 40.3 ± 4.9 ng/ml, p = 0.02) in supplemented group. A higher post intervention 25(OH)D level was observed after vitamin D diet compared to placebo (40.3 ± 4.9 versus 31.8 ± 4.2 ng/mL, respectively; p < 0.05). The vitamin D supplementation decreased post-exercise (TN max) and 1 h post-exercise troponin (p = 0.004, p = 0.03, respectively), 1 h post-exercise myoglobin concentration (p = 0.01) and TNF-α levels(p < 0.03). 24 h post exercise creatine kinase activity was significantly lower in supplemented group compared to placebo (p < 0.05). A negative correlation was observed between post exercise 25(OH)D levels and myoglobin levels (r = − 0.57; p = 0.05), and 25(OH)D levels and TNFα (r = − 0.58; p = 0.05) in vitamin D supplemented group. Conclusions Three weeks of vitamin D supplementation had a positive effect on serum 25(OH)D levels in endurance trained runners and it caused a marked decrease in post-exercise biomarkers levels. We concluded that vitamin D supplementation might play an important role in prevention of skeletal muscle injuries following exercise with eccentric muscle contraction in athletes.
Collapse
Affiliation(s)
- Aleksandra Żebrowska
- Institute of Sport Sciences, Academy of Physical Education in Katowice, Mikołowska Street 72a, 40-065, Katowice, Poland
| | - Ewa Sadowska-Krępa
- Institute of Sport Sciences, Academy of Physical Education in Katowice, Mikołowska Street 72a, 40-065, Katowice, Poland
| | - Arkadiusz Stanula
- Institute of Sport Sciences, Academy of Physical Education in Katowice, Mikołowska Street 72a, 40-065, Katowice, Poland
| | - Zbigniew Waśkiewicz
- Institute of Sport Sciences, Academy of Physical Education in Katowice, Mikołowska Street 72a, 40-065, Katowice, Poland.,Department of Sport Medicine and Medical Rehabilitation, Sechenov First Moscow State Medical University (Sechenov University), 119435, Moscow, Russia
| | - Olga Łakomy
- Institute of Sport Sciences, Academy of Physical Education in Katowice, Mikołowska Street 72a, 40-065, Katowice, Poland
| | - Eduard Bezuglov
- Department of Sport Medicine and Medical Rehabilitation, Sechenov First Moscow State Medical University (Sechenov University), 119435, Moscow, Russia
| | | | - Thomas Rosemann
- Institute of Primary Care, University of Zurich, Zurich, Switzerland
| | - Beat Knechtle
- Institute of Primary Care, University of Zurich, Zurich, Switzerland. .,Medbase St. Gallen Am Vadianplatz, Vadianstrasse 26, 9001, St. Gallen, Switzerland.
| |
Collapse
|
26
|
Wegberger C, Tscharre M, Haller PM, Piackova E, Vujasin I, Gomiscek A, Tentzeris I, Freynhofer MK, Jäger B, Wojta J, Huber K. Impact of ultra- marathon and marathon on biomarkers of myocyte necrosis and cardiac congestion: a prospective observational study. Clin Res Cardiol 2020; 109:1366-1373. [PMID: 32270346 DOI: 10.1007/s00392-020-01634-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 03/13/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND An elevation of cardiac biomarkers is observed after intense or long-lasting physical activity. However, a recent meta-analysis has suggested that there might be an inverse relationship between duration of exercise and degree of biomarker elevation. The objective of this observational study was to investigate the impact of ultra-marathon (UM) vs. marathon (M) on biomarkers of myocyte necrosis and hemodynamic stress/congestion. METHODS Well-trained endurance athletes were recruited to participate in a 130-km UM and a M run. Troponin I (TnI), creatine kinase (CK), N-terminal pro-brain natriuretic peptide (NT-proBNP), mid-regional pro-adrenomedullin (MR-proADM), and copeptin were measured after both events, respectively. RESULTS Fifteen athletes (14 males, one female) were included. There was no difference in exercise intensity according to the Borg scale (UM 16 [IQR 15-17], M 16 [IQR 14-17]; p = 0.424). Biomarkers of myocyte necrosis both differed significantly with higher levels of TnI (UM 0.056 ng/L [IQR 0.022-0.104), M 0.028 ng/L [IQR 0.022-0.049]; p = 0.016) and CK (UM 6992 U/l [IQR 2886-23038], M 425 U/l [IQR 327-681]; p = 0.001) after UM compared to M. Also, NT-proBNP (UM 723 ng/L [IQR 378-1152], M 132 ng/L [IQR 64-198]; p = 0.001) and MR-proADM (UM 1.012 nmol/L [IQR 0.753-0.975], M 0.877 nmol/L [IQR 0.550-0.985]; p = 0.023) as markers of myocardial congestion were significantly higher after UM. There was a tendency for elevated copeptin levels after M, but did not reach statistical significance (p = 0.078). CONCLUSION Ultra-marathon is associated with higher levels of biomarkers of myocyte necrosis and cardiac congestion compared to marathon, highlighting the impact of exercise duration on the cardiovascular system.
Collapse
Affiliation(s)
- Claudia Wegberger
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Maximilian Tscharre
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria.,Institute for Cardiometabolic Diseases, Karl Landsteiner Society, St. Pölten, Austria
| | - Paul M Haller
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Edita Piackova
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Irena Vujasin
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Alja Gomiscek
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Ioannis Tentzeris
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Matthias K Freynhofer
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Bernhard Jäger
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria
| | - Johann Wojta
- Division of Cardiology, Department of Internal Medicine 2, Medical University of Vienna, Vienna, Austria.,Core Facilities, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria. .,Medical School, Sigmund Freud University, Vienna, Austria.
| |
Collapse
|
27
|
Rivera MA, Fahey TD, López-Taylor JR, Martínez JL. The Association of Aquaporin-1 Gene with Marathon Running Performance Level: a Confirmatory Study Conducted in Male Hispanic Marathon Runners. Sports Med Open 2020; 6:16. [PMID: 32198675 PMCID: PMC7083975 DOI: 10.1186/s40798-020-00243-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 02/19/2020] [Indexed: 01/10/2023]
Abstract
Background Replication studies are essential for identifying credible associations between alleles and phenotypes. Validation of genotype-phenotype associations in the sports and exercise field is rare. An initial genetic association study suggested that rs1049305 (C > G) in the 3′ untranslated region (3′UTR) of the aquaporin-1 (AQP1) gene was associated with marathon running (MR) performance level in Hispanic males. To validate this finding, we conducted a replication analysis in an independent case-control sample of Hispanic male marathon runners (n = 1430; cases n = 713 and controls n = 717). A meta-analysis was utilized to test the extent of the association between the initial results and the present report. It also provided to test the heterogeneity (variation) between the two studies. Results The replication study showed a statistically significant (p ≤ 0.05) association between rs1049305 (C > G) of the AQP1 gene and MR performance level. Association test results using a fixed effect model for the combined, original study and the present report, yielded an odds ratio = 1.28, 95% confidence interval = 1.13–1.45, p = 0.0001. The extent of the measures of heterogeneity was Tau-squared = 0, H statistic = 1, I2 statistic = 0, and Cochran’s Q test (Q = 0.29; p value 0.59), indicated the variation between studies were due to chance and not to differences in heterogeneity between the two studies. Within the limitations of the present replication, contrast of two studies and its effects on meta-analysis, the findings were robust. Conclusion This study successfully replicated the results of Martínez et al. (Med Sportiva 13:251-5, 2009). The meta-analysis provided further epidemiological credibility for the hypothesis of association between the DNA rs1049305 (C > G) variation in the 3′UTR of the AQP1 gene and MR running performance level in Hispanics male marathon runners. It is not precluded that a linked DNA structure in the surrounding molecular neighborhood could be of influence by been part of the overly complex phenotype of MR performance level.
Collapse
Affiliation(s)
- Miguel A Rivera
- Department of Physical Medicine, Rehabilitation & Sports Medicine, School of Medicine, University of Puerto Rico, Main Building Office A204, San Juan, PR, 00936, USA.
| | - Thomas D Fahey
- Department of Kinesiology, California State University, Chico, CA, USA
| | - Juan R López-Taylor
- Physical Activity and Applied Sport Sciences Institute, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | | |
Collapse
|
28
|
Shi R, Zhang J, Fang B, Tian X, Feng Y, Cheng Z, Fu Z, Zhang J, Wu J. Runners' metabolomic changes following marathon. Nutr Metab (Lond) 2020; 17:19. [PMID: 32190096 PMCID: PMC7071712 DOI: 10.1186/s12986-020-00436-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 02/18/2020] [Indexed: 02/06/2023] Open
Abstract
Introduction Marathon, as a long-distance aerobic exercise, has become a fashionable or popular sport. However, little is known about the holistic metabolic changes occurring within the serum metabolome of athletes after the completion of a marathon. Objectives The goal of current study was to have an in-depth understanding of the impact of marathon on human metabolomics as well as the relationships among a variety of metabolites. Methods The 20 studied subjects were all adult males who participated in a marathon. The serum samples of these participants were collected before and after the marathon and the biochemical metabolites in the serum were identified by an untargeted two-dimensional gas chromatography time-of-flight mass spectrometry. Results All participants completed the marathon within 3 h. Compared to those before exercise, serum urea and creatine kinase, as well as cortisol, elevated significantly (p < 0.05), whereas testosterone decreased significantly (p < 0.01). Metabolomic analysis showed that, compared to those before the competition, metabolites pyruvic acid, glyceric acid, malic acid, cis-aconitic acid, galacturonic acid, methyl fumaric acid, maltotriose, and others increased significantly after the competition (p < 0.05), but glucosamine and O-succinyl-L-homoserine decreased significantly (p < 0.05). Amino acid indexes, such as alanine, L-tyrosine and phenylalanine, increased significantly after exercise compared with those before exercise (p < 0.05), whereas serine, valine and asparagine decreased significantly (p < 0.05). Lipid metabolism indexes, glycerol, glyceric acid, octanoic acid, and quinic acid increased significantly (p < 0.05). Theophylline, xanthine and other indicators of caffeine metabolism increased significantly (p < 0.05). Furthermore, marathon performance, fat percentage, VO2max, and hemoglobin were correlated with the serum metabonomic indicators, so were serum testosterone and cortisol. Conclusion These results illustrate that the metabolism of glucose and lipid of the athletes was enhanced following the marathon match. In addition, the metabolism of glucosamine was decreased and the metabolism of caffeine was increased. Our data provide new insights for marathon performance and nutritional status.
Collapse
Affiliation(s)
- Rengfei Shi
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Jin Zhang
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Biqing Fang
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Xiangyang Tian
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Yu Feng
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Zepeng Cheng
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Zhongyu Fu
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Jingjing Zhang
- 1School of Kinesiology, Shanghai University of Sport, 188 Hengren Road, Yangpu District, Shanghai, 200438 China
| | - Jiaxi Wu
- 2Central Laboratories, Xuhui Central Hospital, Shanghai Clinical Research Center, Chinese Academy of Sciences, 966 Huaihai Middle Road, Shanghai, 200031 China
| |
Collapse
|
29
|
Abstract
Background Although straight ahead running appears to be faster, distance running races are predominately contested on tracks or roads that involve curves. How much faster could world records be run on straight courses? Methods Here,we propose a model to explain the slower times observed for races involving curves compared to straight running. For a given running velocity, on a curve, the average axial leg force (\documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{upgreek}
\usepackage{mathrsfs}
\setlength{\oddsidemargin}{-69pt}
\begin{document}
}{}${\overline{F}}_{a}$\end{document}F¯a) of a runner is increased due to the need to exert centripetal force. The increased \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{upgreek}
\usepackage{mathrsfs}
\setlength{\oddsidemargin}{-69pt}
\begin{document}
}{}${\overline{F}}_{a}$\end{document}F¯a presumably requires a greater rate of metabolic energy expenditure than straight running at the same velocity. We assumed that distance runners maintain a constant metabolic rate and thus slow down on curves accordingly. We combined published equations to estimate the change in the rate of gross metabolic energy expenditure as a function of \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{upgreek}
\usepackage{mathrsfs}
\setlength{\oddsidemargin}{-69pt}
\begin{document}
}{}${\overline{F}}_{a}$\end{document}F¯a, where \documentclass[12pt]{minimal}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{amsbsy}
\usepackage{upgreek}
\usepackage{mathrsfs}
\setlength{\oddsidemargin}{-69pt}
\begin{document}
}{}${\overline{F}}_{a}$\end{document}F¯a depends on curve radius and velocity, with an equation for the gross rate of oxygen uptake as a function of velocity. We compared performances between straight courses and courses with different curve radii and geometries. Results The differences between our model predictions and the actual indoor world records, are between 0.45% in 3,000 m and 1.78% in the 1,500 m for males, and 0.59% in the 5,000 m and 1.76% in the 3,000 m for females. We estimate that a 2:01:39 marathon on a 400 m track, corresponds to 2:01:32 on a straight path and to 2:02:00 on a 200 m track. Conclusion Our model predicts that compared to straight racecourses, the increased time due to curves, is notable for smaller curve radii and for faster velocities. But, for larger radii and slower speeds, the time increase is negligible and the general perception of the magnitude of the effects of curves on road racing performance is not supported by our calculations.
Collapse
Affiliation(s)
- Paolo Taboga
- Kinesiology Department, California State University, Sacramento, CA, United States of America
| | - Rodger Kram
- Integrative Physiology Department, University of Colorado, Boulder, CO, United States of America
| |
Collapse
|
30
|
Bae YJ, Kratzsch J, Zeidler R, Fikenzer S, Werner C, Herm J, Jungehülsing GJ, Endres M, Haeusler KG, Thiery J, Laufs U. Unraveling the steroid hormone response in male marathon runners: Correlation of running time with aldosterone and progesterone. J Steroid Biochem Mol Biol 2019; 195:105473. [PMID: 31541731 DOI: 10.1016/j.jsbmb.2019.105473] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 09/13/2019] [Accepted: 09/17/2019] [Indexed: 10/26/2022]
Abstract
Marathon running is a physical and psychological stressor. We aimed to characterize the response of nine steroid hormones, which include estradiol, progesterone, testosterone, cortisol, aldosterone, 17-hydroxyprogesterone, cortisone, androstenedione, and dehydroepiandrosterone sulfate, to marathon running and their association with performance. Blood samples of sixty men (age: 49.3 ± 5.9 years) who participated in the Berlin marathon were collected within 3 days before, within 30 min and within 58 h after the end of the marathon. The nine steroid hormones in serum were quantified using liquid chromatography-tandem mass spectrometry. The responses of nine steroid hormones to marathon running were characterized. Aldosterone (fold change: 8.5), progesterone (fold change: 6.6), and cortisol (fold change: 3.7) showed significant increases within 30 min after the marathon (all p < 0.0001). Estradiol but not testosterone increased in the male runners. Marathon running time was significantly related to aldosterone increase (beta=-0.238, p = 0.008) and progesterone increase (beta=-0.192, p = 0.036) in addition to body mass index, self-reported training distance, and age. Serum progesterone correlated with aldosterone and cortisol (r = 0.81 and r = 0.92, respectively, p < 0.001). Progesterone, as a precursor hormone, is increased after the completion of marathon running in association with the increase of aldosterone and cortisol. These findings reveal a contribution of progesterone during the response to the psycho-physical stress of marathon running in males.
Collapse
Affiliation(s)
- Yoon Ju Bae
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List Strasse 13-15, 04103, Leipzig, Germany.
| | - Juergen Kratzsch
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List Strasse 13-15, 04103, Leipzig, Germany
| | - Robert Zeidler
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List Strasse 13-15, 04103, Leipzig, Germany
| | - Sven Fikenzer
- Department of Cardiology, Universitätsklinikum Leipzig, Liebigstraße20, 04103, Leipzig, Germany
| | - Christian Werner
- Department for Internal Medicine III, Cardiology, Angiology and Intensive Care Medicine, Saarland University, Homburg, Saar, Germany
| | - Juliane Herm
- Department of Neurology, Charité - Universitätsmedizin Berlin, Germany
| | | | - Matthias Endres
- Department of Neurology, Charité - Universitätsmedizin Berlin, Germany; German Center for Neurodegenerative Diseases (DZNE) & German Center for Cardiovascular Diseases (DZHK), Partner Site, Berlin, Germany
| | | | - Joachim Thiery
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List Strasse 13-15, 04103, Leipzig, Germany
| | - Ulrich Laufs
- Department of Cardiology, Universitätsklinikum Leipzig, Liebigstraße20, 04103, Leipzig, Germany
| |
Collapse
|
31
|
Doherty C, Keogh A, Davenport J, Lawlor A, Smyth B, Caulfield B. An evaluation of the training determinants of marathon performance: A meta-analysis with meta-regression. J Sci Med Sport 2019; 23:182-188. [PMID: 31704026 DOI: 10.1016/j.jsams.2019.09.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 03/29/2019] [Accepted: 09/17/2019] [Indexed: 01/25/2023]
Abstract
OBJECTIVES Marathoners rely on expert-opinion and the anecdotal advice of their peers when devising their training plans for an upcoming race. The accumulation of results from multiple scientific studies has the potential to clarify the precise training requirements for the marathon. The purpose of the present study was to perform a systematic review, meta-analysis and meta-regression of available literature to determine if a dose-response relationship exists between a series of training behaviours and marathon performance. DESIGN Systematic review, meta-analysis and meta-regression. METHODS A systematic search of multiple literature sources was undertaken to identify observational and interventional studies of elite and recreational marathon (42.2km) runners. RESULTS Eighty-five studies which included 137 cohorts of runners (25% female) were included in the meta-regression, with average weekly running distance, number of weekly runs, maximum running distance completed in a single week, number of runs ≥32km completed in the pre-marathon training block, average running pace during training, distance of the longest run and hours of running per week used as covariates. Separately conducted univariate random effects meta-regression models identified a negative statistical association between each of the above listed training behaviours and marathon performance (R2 0.38-0.81, p<0.001), whereby increases in a given training parameter coincided with faster marathon finish times. Meta-analysis revealed the rate of non-finishers in the marathon was 7.27% (95% CI 6.09%-8.65%). CONCLUSIONS These data can be used by athletes and coaches to inform the development of marathon training regimes that are specific to a given target finish time.
Collapse
Affiliation(s)
- Cailbhe Doherty
- Insight Centre for Data Analytics, University College Dublin, Ireland; School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland.
| | - Alison Keogh
- Insight Centre for Data Analytics, University College Dublin, Ireland; School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland
| | - James Davenport
- Insight Centre for Data Analytics, University College Dublin, Ireland; School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland
| | - Aonghus Lawlor
- Insight Centre for Data Analytics, University College Dublin, Ireland
| | - Barry Smyth
- Insight Centre for Data Analytics, University College Dublin, Ireland
| | - Brian Caulfield
- Insight Centre for Data Analytics, University College Dublin, Ireland; School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland
| |
Collapse
|
32
|
Roeh A, Bunse T, Lembeck M, Handrack M, Pross B, Schoenfeld J, Keeser D, Ertl-Wagner B, Pogarell O, Halle M, Falkai P, Hasan A, Scherr J. Running effects on cognition and plasticity (ReCaP): study protocol of a longitudinal examination of multimodal adaptations of marathon running. Res Sports Med 2019; 28:241-255. [PMID: 31345073 DOI: 10.1080/15438627.2019.1647205] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Regular moderate physical activity (PA) has been linked to beneficial adaptations in various somatic diseases (e.g. cancer, endocrinological disorders) and a reduction in all-cause mortality from several cardiovascular and neuropsychiatric diseases. This study was designed to investigate acute and prolonged exercise-induced cardio- and neurophysiological responses in endurance runners competing in the Munich Marathon. ReCaP (Running effects on Cognition and Plasticity) is a multimodal and longitudinal experimental study. This study included 100 participants (20-60 years). Six laboratory visits were included during the 3-month period before and the 3-month period after the Munich marathon. The multimodal assessment included laboratory measurements, cardiac and cranial imaging (MRI scans, ultrasound/echocardiography) and neurophysiological methods (EEG and TMS/tDCS), and vessel-analysis (e.g. retinal vessels and wave-reflection analyses) and neurocognitive measurements. The ReCaP study was designed to examine novel exercise-induced cardio- and neurophysiological responses to marathon running at the behavioral, functional and morphological levels. This study will expand our understanding of exercise-induced adaptations and will lead to more individually tailored therapeutic options.
Collapse
Affiliation(s)
- A Roeh
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - T Bunse
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - M Lembeck
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - M Handrack
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - B Pross
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - J Schoenfeld
- Department of Prevention and Sports Medicine, Klinikum rechts der Isar, Technische Universitaet Muenchen, Munich, Germany
| | - D Keeser
- Department of Clinical Radiology, Ludwig-Maximilians-University, Munich, Germany
| | - B Ertl-Wagner
- Department of Clinical Radiology, Ludwig-Maximilians-University, Munich, Germany
| | - O Pogarell
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - M Halle
- Department of Prevention and Sports Medicine, Klinikum rechts der Isar, Technische Universitaet Muenchen, Munich, Germany.,DZHK (German Centre for Cardiovascular Research), Partner site Munich, Munich Heart Alliance, Munich, Germany
| | - P Falkai
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - A Hasan
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - J Scherr
- Department of Prevention and Sports Medicine, Klinikum rechts der Isar, Technische Universitaet Muenchen, Munich, Germany
| |
Collapse
|
33
|
Panizo González N, Reque Santivañez JE, Hernando Fuster B, Collado Boira EJ, Martinez-Navarro I, Chiva Bartoll Ó, Hernando Domingo C. Quick Recovery of Renal Alterations and Inflammatory Activation after a Marathon. Kidney Dis (Basel) 2019; 5:259-265. [PMID: 31768383 DOI: 10.1159/000500510] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 04/23/2019] [Indexed: 12/16/2022]
Abstract
Purpose We evaluated the incidence of acute kidney injury in a cohort of marathon participants. Methods We conducted a prospective observational study focused on evaluating the incidence of kidney damage after a marathon, and its evolution in the first 48 h after the marathon in 88 runners who completed the Valencia Marathon. Results From the 88 participants, 42 (48.28%) presented with acute kidney injury, mainly grade 1 (95.20%). Microscopic haematuria was observed in 29 runners (33%). Levels of interleukin 6, leukocytes, and neutrophils were markedly increased at the marathon's finish line. Conclusions Our results confirmed that there are slight transient changes in glomerular filtration rate and inflammatory activation after a marathon.
Collapse
Affiliation(s)
- Nayara Panizo González
- Hospital Universitario Clínico de Valencia, Valencia, Spain.,Department of Health Sciences, Jaume I University, Castellón, Spain
| | | | | | | | - Ignacio Martinez-Navarro
- Sports Health Unit, Vithas-Nisa 9 de Octubre Hospital, Valencia, Spain.,Department of Physical Education and Sport, University of Valencia, Valencia, Spain
| | | | - Carlos Hernando Domingo
- Department of Education, Jaume I University, Castellón, Spain.,Sports Service, Jaume I University, Castellón, Spain
| |
Collapse
|
34
|
Roeh A, Schuster T, Jung P, Schneider J, Halle M, Scherr J. Two dimensional and real-time three dimensional ultrasound measurements of left ventricular diastolic function after marathon running: results from a substudy of the BeMaGIC trial. Int J Cardiovasc Imaging 2019; 35:1861-1869. [PMID: 31154595 DOI: 10.1007/s10554-019-01634-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 05/24/2019] [Indexed: 01/13/2023]
Abstract
Strenuous exercise results in transient but minor alterations in left ventricular diastolic function (LVDF). The aim of this study is to describe and interpret the kinetics of the well-established 2D parameters of diastolic function and the novel and very sensitive 3D parameters before/after a marathon race. LVDF was evaluated by transthoracic echocardiography (TEE) in 212 healthy male [aged 42 (36-49) years)] marathon runners (all Be-MaGIC-study) in the week prior to (V1), immediately after (V2), 24 h after (V3) and 72 h after (V4) a marathon race. Real time three-dimensional echocardiography (RT3DE) included maximal and minimal left atrium (LA) volume, total LA ejection fraction (Total-EF), total LA stroke volume (Total-SV), true ejection fraction (True-EF) and atrial stroke volume (ASV). After adjustment for possible confounders (heart rate and systolic blood pressure), 2D Parameters of left ventricular inflow (E/A-ratio) decreased from pre- to immediately post-race (- 0.3 ± 0.06, p < 0.001) and returned to baseline within 24 h. [Formula: see text]-ratio remained unchanged directly post-race, but was significantly increased during follow-up of 24 and 72 h. 3D LA Vmin was increased immediately postrace and in the 24 h follow-up, LA Vmax was increased immediately post-race and in the follow-up of 24 and 72 h. During follow-up of 72 h, but not immediately postrace, TrueEF and ASV were significantly increased. Both techniques revealed acute and prolonged alterations of diastolic LV function. Considering all parameters, the recovery of diastolic LV after a marathon seems to take longer than previously assumed.Trial registration ClinicalTrials.gov ID: NCT00933218.
Collapse
Affiliation(s)
- Astrid Roeh
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilians University Munich, Munich, Germany.
- Department of Prevention, Rehabilitation and Sports Medicine, Technische Universitaet Muenchen, Munich, Germany.
| | - Tibor Schuster
- Department for Medical Statistics and Epidemiology, Klinikum Rechts Der Isar, Technische Universitaet Muenchen, Munich, Germany
| | - Philip Jung
- Medizinische Klinik und Poliklinik I, Klinikum der Universitaet Muenchen, Munich, Germany
| | - Jens Schneider
- Universitäts Herz-Zentrum Freiburg - Bad Krozingen, Klinik für Kardiologie Und Angiologie II, Bad Krozingen, Germany
| | - Martin Halle
- Department of Prevention, Rehabilitation and Sports Medicine, Technische Universitaet Muenchen, Munich, Germany
- DZHK (German Centre for Cardiovascular Research), Partner site Munich, Munich Heart Alliance, 80802, Munich, Germany
| | - Johannes Scherr
- Department of Prevention, Rehabilitation and Sports Medicine, Technische Universitaet Muenchen, Munich, Germany
| |
Collapse
|
35
|
Pugh JN, Sparks AS, Doran DA, Fleming SC, Langan-Evans C, Kirk B, Fearn R, Morton JP, Close GL. Four weeks of probiotic supplementation reduces GI symptoms during a marathon race. Eur J Appl Physiol 2019; 119:1491-501. [PMID: 30982100 DOI: 10.1007/s00421-019-04136-3] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/01/2019] [Indexed: 12/14/2022]
Abstract
Purpose To evaluate the effects of probiotic supplementation on gastrointestinal (GI) symptoms, circulatory markers of GI permeability, damage, and markers of immune response during a marathon race. Methods Twenty-four recreational runners were randomly assigned to either supplement with a probiotic (PRO) capsule [25 billion CFU Lactobacillus acidophilus (CUL60 and CUL21), Bifidobacterium bifidum (CUL20), and Bifidobacterium animalis subs p. Lactis (CUL34)] or placebo (PLC) for 28 days prior to a marathon race. GI symptoms were recorded during the supplement period and during the race. Serum lactulose:rhamnose ratio, and plasma intestinal-fatty acid binding protein, sCD14, and cytokines were measured pre- and post-races. Results Prevalence of moderate GI symptoms reported were lower during the third and fourth weeks of the supplement period compared to the first and second weeks in PRO (p < 0.05) but not PLC (p > 0.05). During the marathon, GI symptom severity during the final third was significantly lower in PRO compared to PLC (p = 0.010). The lower symptom severity was associated with a significant difference in reduction of average speed from the first to the last third of the race between PLC (− 14.2 ± 5.8%) and PRO (− 7.9 ± 7.5%) (p = 0.04), although there was no difference in finish times between groups (p > 0.05). Circulatory measures increased to a similar extent between PRO and PLC (p > 0.05). Conclusion Probiotics supplementation was associated with a lower incidence and severity of GI symptoms in marathon runners, although the exact mechanisms are yet to be elucidated. Reducing GI symptoms during marathon running may help maintain running pace during the latter stages of racing.
Collapse
|
36
|
Roca E, Cantó E, Nescolarde L, Perea L, Bayes-Genis A, Sibila O, Vidal S. Effects of a polysaccharide-based multi-ingredient supplement on salivary immunity in non-elite marathon runners. J Int Soc Sports Nutr 2019; 16:14. [PMID: 30909945 PMCID: PMC6434855 DOI: 10.1186/s12970-019-0281-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 03/08/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Extreme exercise may alter the innate immune system. Glycans are involved in several biological processes including immune system regulation. However, limited data regarding the impact of glycan supplementation on immunological parameters after strenuous exercise are available. We aimed to determine the impact of a standardized polysaccharide-based multi-ingredient supplement, Advanced Ambrotose© complex powder (AA) on salivary secretory Immunoglobulin A (sIgA) and pro- and anti-inflammatory protein levels before and after a marathon in non-elite runners. METHODS Forty-one male marathon runners who completed the 42.195 km of the 2016 Barcelona marathon were randomly assigned to two study groups. Of them, n = 20 (48%) received the AA supplement for 15 days prior the race (AA group) and n = 21 (52%) did not receive any AA supplement (non-AA group). Saliva and blood samples were collected the day before the marathon and two days after the end of the race. Salivary IgA, pro-inflammatory chemokines (Gro-alpha, Gro-beta, MCP-1) and anti-inflammatory proteins (Angiogenin, ACRP, Siglec 5) were determined using commercially ELISA kits in saliva supernatant. Biochemical parameters, including C-reactive protein, cardiac biomarkers, and blood hemogram were also evaluated. RESULTS Marathon runners who did not receive the AA supplement experienced a decrease of salivary sIgA and pro-inflammatory chemokines (Gro-alpha and Gro-beta) after the race, while runners with AA supplementation showed lower levels of anti-inflammatory chemokines (Angiogenin). Gro-alpha and Gro-beta salivary levels were lower before the race in the AA group and correlated with blood leukocytes and platelets. CONCLUSIONS Changes in salivary sIgA and inflammatory chemokines, especially Gro-alfa and Gro-beta, were observed in marathon runners supplemented with AA prior to the race. These findings suggested that AA may have a positive effect on immune response after a strenuous exercise.
Collapse
Affiliation(s)
- Emma Roca
- Research Centre for Biomedical Engineering, Universitat Politècnica de Catalunya, Jordi Girona, 1-3, 08034, Barcelona, Spain.
| | - Elisabet Cantó
- Laboratory of Experimental Immunology, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, Barcelona, Catalonia, Spain
| | - Lexa Nescolarde
- Research Centre for Biomedical Engineering, Universitat Politècnica de Catalunya, Jordi Girona, 1-3, 08034, Barcelona, Spain.,Department of Electronic, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Lidia Perea
- Laboratory of Experimental Immunology, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, Barcelona, Catalonia, Spain
| | - Antoni Bayes-Genis
- Department of Cardiology, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.,Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain.,Research Program, Fundació Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Oriol Sibila
- Respiratory Department, Hospital de la Santa Creu i Sant Pau, Autonomous University of Barcelona and Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Catalonia, Spain
| | - Silvia Vidal
- Laboratory of Experimental Immunology, Biomedical Research Institute Sant Pau (IIB Sant Pau), Hospital de la Santa Creu i Sant Pau, Barcelona, Catalonia, Spain
| |
Collapse
|
37
|
Leckie T, Richardson A, Watkins E, Fitzpatrick D, Galloway R, Grimaldi R, Roberts A, Baker P. High-sensitivity troponin T in marathon runners, marathon runners with heart disease and collapsed marathon runners. Scand J Med Sci Sports 2019; 29:663-668. [PMID: 30664255 DOI: 10.1111/sms.13392] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 12/20/2018] [Accepted: 01/16/2019] [Indexed: 12/24/2022]
Abstract
Endurance exercise is an established cause of cardiac troponin (cTn) elevation, of further interest is whether this rise represents clinical significance. This study compared cTnT rise in three cohorts of marathon runners using a high-sensitivity assay; control runners, those with known heart disease and runners who collapsed at the finish line. Control runners (n = 126) and runners with heart disease (n = 12) were prospectively recruited with cTnT levels measured pre-race and at race completion. Collapsed runners (n = 15) were retrospectively recruited. A mixed model ANCOVA was used to compare the three groups. Pre-race median cTnT for the control group and heart disease groups was 3.9 ng/L (IQR 3.1 ng/L) and 4.1 ng/L (IQR 3.4 ng/L). Post-race values for the three groups were control 45.6 ng/L (IQR 42.5 ng/L), heart disease 41.2 ng/L (IQR 36.1 ng/L), and collapsed 41.9 ng/L (IQR 57.8 ng/L). Post-race cTnT and cTnT change were significantly correlated with pre-race cTnT within the control group (r = 0.38 and 0.30, P < 0.01). There was no difference in post-race cTnT (adjusted for pre-race cTnT) between the three groups. None of the runners reported symptoms suggestive of acute myocardial infarction on follow-up. These results demonstrate that marathon running is associated with an asymptomatic cTnT rise for all runners, and this rise is significantly correlated to baseline cTnT levels, in addition, marathon runners with pre-existing cardiac pathology or who collapse at the finish line do not exhibit an increased cTnT rise compared to healthy runners.
Collapse
Affiliation(s)
- Todd Leckie
- Welkin Laboratories, Centre of Sport and Exercise Medicine (SESAME), University of Brighton, Eastbourne, UK.,Anaesthetics Department, Eastbourne DGH, East Sussex Healthcare Trust, Eastbourne, UK.,Brighton Marathon Research Group, Brighton, UK
| | - Alan Richardson
- Welkin Laboratories, Centre of Sport and Exercise Medicine (SESAME), University of Brighton, Eastbourne, UK.,Brighton Marathon Research Group, Brighton, UK
| | - Emily Watkins
- Welkin Laboratories, Centre of Sport and Exercise Medicine (SESAME), University of Brighton, Eastbourne, UK
| | | | - Rob Galloway
- Brighton Marathon Research Group, Brighton, UK.,Royal Sussex County Hospital, Brighton and Sussex Hospital NHS Trust, Brighton, UK
| | - Rachael Grimaldi
- Brighton Marathon Research Group, Brighton, UK.,Royal Sussex County Hospital, Brighton and Sussex Hospital NHS Trust, Brighton, UK
| | - Andrew Roberts
- Academic Department of Military Rehabilitation, DMRC Headley Court, Epsom, UK
| | - Polly Baker
- Welkin Laboratories, Centre of Sport and Exercise Medicine (SESAME), University of Brighton, Eastbourne, UK.,Brighton Marathon Research Group, Brighton, UK
| |
Collapse
|
38
|
Jóźków P, Koźlenia D, Zawadzka K, Konefał M, Chmura P, Młynarska K, Kosowski M, Mędraś M, Chmura J, Ponikowski P, Daroszewski J. Effects of running a marathon on irisin concentration in men aged over 50. J Physiol Sci 2019; 69:79-84. [PMID: 29761269 PMCID: PMC10717558 DOI: 10.1007/s12576-018-0619-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 05/04/2018] [Indexed: 01/01/2023]
Abstract
Our aim was to verify whether running a marathon is associated with changes in irisin concentration in healthy, endurance-trained men. In an observational study, we assessed baseline biochemical and fitness parameters of 28 middle-aged runners (mean ± SD age, BMI, VO2max: 58 ± 8 years; 24.5 ± 3 kg/m2; 51.1 ± 1.7 ml/kg/min). We evaluated irisin before, immediately after, and 7 days after the marathon. Irisin concentration decreased from a baseline value of 639 ± 427 to 461 ± 255 ng/ml immediately after the marathon (p < 0.05). After 7 days, it was still significantly lower than before the race, at 432 ± 146 ng/ml (p < 0.05). We found no correlations between irisin concentration and the training history of the studied subjects. We conclude that a long-distance run may have a negative impact on irisin release in men. This effect was not correlated with the training history of runners.
Collapse
Affiliation(s)
- Paweł Jóźków
- Department of Sports Medicine and Dietetics, Wroclaw University of Physical Education, Ul. I.J. Paderewskiego 35, 51-612, Wrocław, Poland.
| | - Dawid Koźlenia
- Department of Sports Medicine and Dietetics, Wroclaw University of Physical Education, Ul. I.J. Paderewskiego 35, 51-612, Wrocław, Poland
| | - Katarzyna Zawadzka
- Department of Endocrinology, Diabetes and Isotope Therapy, Wroclaw Medical University, L. Pasteur 4, 50-367, Wrocław, Poland
| | - Marek Konefał
- Department of Team Sport Games, Wroclaw University of Physical Education, I.J. Paderewskiego 35, 51-612, Wrocław, Poland
| | - Paweł Chmura
- Department of Team Sport Games, Wroclaw University of Physical Education, I.J. Paderewskiego 35, 51-612, Wrocław, Poland
| | - Katarzyna Młynarska
- Department of Heart Diseases, Medical University, Wroclaw, L. Pasteur 4, 50-367, Wrocław, Poland
| | - Michał Kosowski
- Department of Heart Diseases, Medical University, Wroclaw, L. Pasteur 4, 50-367, Wrocław, Poland
| | - Marek Mędraś
- Department of Sports Medicine and Dietetics, Wroclaw University of Physical Education, Ul. I.J. Paderewskiego 35, 51-612, Wrocław, Poland
- Department of Endocrinology, Diabetes and Isotope Therapy, Wroclaw Medical University, L. Pasteur 4, 50-367, Wrocław, Poland
| | - Jan Chmura
- Department of Team Sport Games, Wroclaw University of Physical Education, I.J. Paderewskiego 35, 51-612, Wrocław, Poland
| | - Piotr Ponikowski
- Department of Heart Diseases, Medical University, Wroclaw, L. Pasteur 4, 50-367, Wrocław, Poland
| | - Jacek Daroszewski
- Department of Endocrinology, Diabetes and Isotope Therapy, Wroclaw Medical University, L. Pasteur 4, 50-367, Wrocław, Poland
| |
Collapse
|
39
|
Hirata Y, Kusunose K, Yamada H, Morita S, Torii Y, Nishio S, Zheng R, Saijo Y, Fukuda D, Yagi S, Soeki T, Sata M. Left atrial functional response after a marathon in healthy amateur volunteers. Int J Cardiovasc Imaging 2019; 35:633-43. [PMID: 30470971 DOI: 10.1007/s10554-018-1502-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/13/2018] [Indexed: 10/27/2022]
Abstract
Middle-aged marathon runners have an increased risk of developing atrial fibrillation (AF). A previous study described that repetitive marathon running was associated with left atrial (LA) dysfunction. However, whether this change is common in marathon runners and which runners are at risk of LA dysfunction remain unknown. The purpose of this study was to determine which factors could predict LA dysfunction. We prospectively examined 12 healthy amateur volunteers (9 males, 31 ± 8 years old) who participated in a full marathon. All echocardiographic measurements and speckle-tracking echocardiography were performed before and after the marathon. The endpoint was defined as reduced LA reservoir strain 1 day after the marathon (non-responder group). Seven participants were in the non-responder group. Age (35 ± 9 vs. 26 ± 2 years, p = 0.020), augmentation index (76 ± 12 vs. 55 ± 8, p = 0.002), and diastolic blood pressures (83 ± 11 vs. 70 ± 7 mmHg, p = 0.021) in the non-responder group were significantly higher compared with the responder group. In multivariate linear regression analysis, only the augmentation index was an independent predictor of reduced LA reservoir function after the marathon (β = - 0.646, p = 0.023). The augmentation index was a predictive marker for reduction in LA reservoir function after a marathon in healthy amateur volunteers.
Collapse
|
40
|
Leppe J, Besomi M. Recent Versus Old Previous Injury and Its Association with Running-Related Injuries During Competition by SeRUN® Running Profiles: a Cross-sectional Study. Sports Med Open 2018; 4:49. [PMID: 30421313 PMCID: PMC6232187 DOI: 10.1186/s40798-018-0164-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 10/24/2018] [Indexed: 11/10/2022]
Abstract
BACKGROUND Previous injury in the last 12 months is the main risk factor for future running-related injuries (RRI) during training and competition environments. However, the relationship between a recent versus old previous injury and a new RRI has not been established yet, nor a separate analysis by different types of runners. METHODS An online questionnaire was sent to 6000 participants of a running event (10 km, 21 km and 42 km), 10 days following the event. The questionnaire included the following information: the presence and topography of new RRIs during the race, old previous injury (from 12-4 months before the race), recent previous injury (from 3-0 months before the race), running experience, training factors and socio-demographic characteristics. Univariate binomial regression analysis was applied to assess different associated factors, and multivariable binomial backward regression (p < 0.05) was used to analyse the relationship between the new and previous injury. RESULTS A total of 868 surveys were analysed (10 km, 32.6%; 21 km, 52%; 42 km, 15.4%). The median age was 38 years (IQR 31-46), and 63.5% were males. Previous injury was reported by 30.3% and 27.6% for old and recent, respectively. The majority of runners were categorised into the advanced group (42.9%), having more than 5 years of running experience. During the race, 7.0% reported a RRI, with 36.1% located at the knee. The multivariable analysis showed an association only between new injury and recent injury. CONCLUSION The delineation of recent and old previous injuries should be considered in running epidemiological research.
Collapse
Affiliation(s)
- Jaime Leppe
- School of Physical Therapy, Universidad del Desarrollo, Avenida La Plaza 680, Las Condes, Santiago, Chile
| | - Manuela Besomi
- School of Physical Therapy, Universidad del Desarrollo, Avenida La Plaza 680, Las Condes, Santiago, Chile.
| |
Collapse
|
41
|
Stander Z, Luies L, Mienie LJ, Keane KM, Howatson G, Clifford T, Stevenson EJ, Loots DT. The altered human serum metabolome induced by a marathon. Metabolomics 2018; 14:150. [PMID: 30830390 DOI: 10.1007/s11306-018-1447-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 10/29/2018] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Endurance races have been associated with a substantial amount of adverse effects which could lead to chronic disease and long-term performance impairment. However, little is known about the holistic metabolic changes occurring within the serum metabolome of athletes after the completion of a marathon. OBJECTIVES Considering this, the aim of this study was to better characterize the acute metabolic changes induced by a marathon. METHODS Using an untargeted two dimensional gas chromatography time-of-flight mass spectrometry metabolomics approach, pre- and post-marathon serum samples of 31 athletes were analyzed and compared to identify those metabolites varying the most after the marathon perturbation. RESULTS Principle component analysis of the comparative groups indicated natural differentiation due to variation in the total metabolite profiles. Elevated concentrations of carbohydrates, fatty acids, tricarboxylic acid cycle intermediates, ketones and reduced concentrations of amino acids indicated a metabolic shift between various fuel substrate systems. Additionally, elevated odd-chain fatty acids and α-hydroxy acids indicated the utilization of α-oxidation and autophagy as alternative energy-producing mechanisms. Adaptations in gut microbe-associated markers were also observed and correlated with the metabolic flexibility of the athlete. CONCLUSION From these results it is evident that a marathon places immense strain on the energy-producing pathways of the athlete, leading to extensive protein degradation, oxidative stress, mammalian target of rapamycin complex 1 inhibition and autophagy. A better understanding of this metabolic shift could provide new insights for optimizing athletic performance, developing more efficient nutrition regimens and identify strategies to improve recovery.
Collapse
Affiliation(s)
- Zinandré Stander
- Human Metabolomics, North-West University, Private Bag X6001, Box 269, Potchefstroom, 2531, South Africa
| | - Laneke Luies
- Human Metabolomics, North-West University, Private Bag X6001, Box 269, Potchefstroom, 2531, South Africa
- SAMRC/NHLS/UCT Molecular Mycobacteriology Research Unit, Institute of Infectious Disease and Molecular Medicine, Division of Medical Microbiology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Rondebosch, 7700, South Africa
| | - Lodewyk J Mienie
- Human Metabolomics, North-West University, Private Bag X6001, Box 269, Potchefstroom, 2531, South Africa
| | - Karen M Keane
- Faculty of Health and Life Sciences, Department of Sport, Exercise and Rehabilitation, Northumbria University, NE1 8ST, Newcastle upon Tyne, UK
| | - Glyn Howatson
- Faculty of Health and Life Sciences, Department of Sport, Exercise and Rehabilitation, Northumbria University, NE1 8ST, Newcastle upon Tyne, UK
- Water Research Group, School of Environmental Sciences and Development, North-West University, Potchefstroom, 2531, South Africa
| | - Tom Clifford
- Faculty of Health and Life Sciences, Department of Sport, Exercise and Rehabilitation, Northumbria University, NE1 8ST, Newcastle upon Tyne, UK
- Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Emma J Stevenson
- Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Du Toit Loots
- Human Metabolomics, North-West University, Private Bag X6001, Box 269, Potchefstroom, 2531, South Africa.
| |
Collapse
|
42
|
Birnbaum S, Sharshar T, Eymard B, Theaudin M, Portero P, Hogrel JY. Marathons and myasthenia gravis: a case report. BMC Neurol 2018; 18:145. [PMID: 30227849 PMCID: PMC6142625 DOI: 10.1186/s12883-018-1150-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 09/12/2018] [Indexed: 12/19/2022] Open
Abstract
Background The cardinal symptoms of auto-immune myasthenia gravis are fatigue and weakness. Endurance events such as marathon running would seem incompatible with this chronic disease. Many patients stop sport altogether. There is limited literature of patients with auto-immune myasthenia gravis undergoing regular endurance exercise. Case presentation We report the case of a 36-year-old female who began long-distance running whilst experiencing initial symptoms of myasthenia gravis. She was diagnosed with auto-immune myasthenia gravis and whilst advised to stop all sport, her way of fighting and living with this chronic and unpredictable disease was to continue running to maintain a healthy body and mind. Despite suffering from ocular, bulbar and localized limb fatigability, she managed to complete multiple marathons and achieve disease stability with cholinesterase inhibitors. Conclusions Marathon and half-marathon running lead to distinct changes in mediators of inflammation in an exercise-dose-dependent manner. Despite symptoms of weakness and fatigue in certain muscles in myasthenia gravis, physical exertion remains possible and may not worsen symptoms as demonstrated in this case and recent studies. The immunomodulatory role of exercise could be considered in this case however this hypothesis remains to be confirmed in future studies with quantitative data.
Collapse
Affiliation(s)
- Simone Birnbaum
- Institute of Myology, GH Pitié-Salpêtrière (AP-HP), Bd de l'Hôpital, 75651, Paris Cedex 13, France. .,Bioingénierie, Tissus et Neuroplasticité, EA 7377 Université Paris-Est Créteil Faculté de Médecine, 8 rue Jean Sarrail, 94010, Créteil, France. .,Unité de Recherche Clinique Paris Île- de- France Ouest (URC PIFO), Raymond Poincaré Hospital, AP-HP, Garches, France.
| | - Tarek Sharshar
- Medical and Surgical Neurointensive Care Centre, Hospital Sainte Anne, Paris, France.,Laboratory of human histopathology and animal models, Institute Pasteur, Paris, France.,Université Paris Descartes, Paris, France
| | - Bruno Eymard
- Institute of Myology, GH Pitié-Salpêtrière (AP-HP), Bd de l'Hôpital, 75651, Paris Cedex 13, France
| | - Marie Theaudin
- Department of Neurology, CHUV, Rue du Bugnon, 46 1011, Lausanne, Switzerland
| | - Pierre Portero
- Bioingénierie, Tissus et Neuroplasticité, EA 7377 Université Paris-Est Créteil Faculté de Médecine, 8 rue Jean Sarrail, 94010, Créteil, France
| | - Jean-Yves Hogrel
- Institute of Myology, GH Pitié-Salpêtrière (AP-HP), Bd de l'Hôpital, 75651, Paris Cedex 13, France
| |
Collapse
|
43
|
Bhogal P, AlMatter M, Hellstern V, Bäzner H, Ganslandt O, Henkes H, Aguilar Pérez M. High-Grade Dural Arteriovenous Fistulas : Use of Kaneka ED Coils with the Marathon Microcatheter for Transvenous Coil Embolization. Clin Neuroradiol 2018; 29:653-660. [PMID: 30167712 DOI: 10.1007/s00062-018-0724-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 08/13/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Dural arteriovenous fistulas (DAVF) are commonly encountered lesions that can be treated both transvenously, transarterially or using a combined approach. OBJECTIVE Transvenous coil embolization of DAVF is a recognized treatment option but can be challenging. In this context this article presents clinical experience using the Kaneka ED10 ExtraSoft coils in combination with the Marathon microcatheter to treat high grade DAVF. The physical properties of these coils and the microcatheter were also determined. MATERIAL AND METHODS All patients with high grade DAVF treated with the Marathon and the Kaneka ED COIL ∞10 ExtraSoft coils were retrospectively identified. The clinical presentation, location, grade of the lesion, clinical and radiological follow-up data were recorded. Bench side studies were performed to determine the physical properties of the Marathon catheter in comparison to the SL10 and Headway Duo as well the maximum width of the Kaneka pusher wire in comparison to Hypersoft, Target and Axium Prime coils. RESULTS A total of 8 patients with 9 DAVF with 3 Cognard 3 and 6 Cognard 4 lesions were identified. All the DAVF's were occluded either at the end of the procedure or on follow-up imaging. On bench side tests the Marathon microcatheter had the most flexible distal tip and distal shaft in comparison to the SL10 and Headway Duo. The proximal shaft of the Marathon was stiffer than the SL10. The Kaneka ED COIL ∞10 ExtraSoft had the smallest distal width and were the only coils tested that could be deployed through a Marathon microcatheter. CONCLUSION The combination of the Marathon microcatheter and Kaneka ED COIL ∞10 ExtraSoft is useful for the treatment of high grade DAVF.
Collapse
Affiliation(s)
- P Bhogal
- Neuroradiological Clinic, Neurocenter, Klinikum Stuttgart, Kriegsbergstraße 60, 70174, Stuttgart, Germany. .,Neurological Clinic, Neurocenter, Klinikum Stuttgart, Stuttgart, Germany.
| | - M AlMatter
- Neuroradiological Clinic, Neurocenter, Klinikum Stuttgart, Kriegsbergstraße 60, 70174, Stuttgart, Germany
| | - V Hellstern
- Neuroradiological Clinic, Neurocenter, Klinikum Stuttgart, Kriegsbergstraße 60, 70174, Stuttgart, Germany
| | - H Bäzner
- Neurological Clinic, Neurocenter, Klinikum Stuttgart, Stuttgart, Germany
| | - O Ganslandt
- Neurosurgical Clinic, Neurocenter, Klinikum Stuttgart, Stuttgart, Germany
| | - H Henkes
- Neuroradiological Clinic, Neurocenter, Klinikum Stuttgart, Kriegsbergstraße 60, 70174, Stuttgart, Germany.,Medical Faculty, University Duisburg-Essen, Essen, Germany
| | - M Aguilar Pérez
- Neuroradiological Clinic, Neurocenter, Klinikum Stuttgart, Kriegsbergstraße 60, 70174, Stuttgart, Germany
| |
Collapse
|
44
|
Sengupta SP, Mahure C, Mungulmare K, Grewal HK, Bansal M. Myocardial fatigue in recreational marathon runners: A speckle-tracking echocardiography study. Indian Heart J 2018; 70 Suppl 3:S229-S234. [PMID: 30595264 PMCID: PMC6309569 DOI: 10.1016/j.ihj.2018.08.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 08/01/2018] [Accepted: 08/02/2018] [Indexed: 11/30/2022] Open
Abstract
Background Prolonged aerobic exercise such as marathon running produces supraphysiological hemodynamic stress that can potentially affect the athlete's cardiac homeostasis. While cardiac structural and functional adaptations in professional athletes are well characterized, only a limited information is available for recreational runners undergoing this supraphysiological stress. Methods Premarathon and post-marathon echocardiography was performed in 50 recreational marathon runners [age 40.8 ± 7.5 years, 44 (88%) males; running distance 42.195 km]. All the runners received 4-month training for the marathon. The baseline echocardiogram and N-terminal B-type natriuretic peptide (NT-proBNP) were obtained before training, whereas the post-marathon study was performed within 10 days (7.27 ± 0.92 days) of completion of marathon. Two-dimensional speckle-tracking echocardiography was used for characterizing the changes in myocardial mechanics. Results There was a significant reduction in heart rate post-marathon, whereas the levels of NT-proBNP increased significantly (86.0 ± 9.5 pg/ml vs 106.5 ± 24.2 pg/ml, p = 0.001). The left ventricular (LV) end-diastolic volume (61.8 ± 16.5 ml vs 72.8 ± 5.1 ml, p < 0.001), LV mass (120.2 ± 30.0 gm vs 160.3 ± 43.0 gm, p < 0.001), and LV ejection fraction (64.9 ± 5.6% vs 72.0 ± 5.7%, p < 0.001) also increased significantly. However, there was a significant attenuation in LV global longitudinal (−19.3 ± 2.71% vs −16.5 ± 4.6%, p = 0.003) and circumferential strain (−17.2 ± 2.41% vs −15.2 ± 2.6%, p = 0.001) post-marathon. The LV global radial strain showed a nonsignificant reduction. Conclusion Recreational marathon runners have reduced longitudinal and circumferential shortening of the left ventricle with elevation of NT-proBNP. However, the LV ejection performance remains maintained because of an increase in the LV end-diastolic volume and mass. These changes suggest the possibility of “myocardial fatigue” occurring in response to supraphysiological hemodynamic stress of marathon running.
Collapse
Affiliation(s)
| | - Chetan Mahure
- Sengupta Hospital and Research Institute, Ravinagar, Nagpur, India
| | - Kunda Mungulmare
- Sengupta Hospital and Research Institute, Ravinagar, Nagpur, India
| | | | | |
Collapse
|
45
|
Honjo T, Seo Y, Yamasaki Y, Tsunematsu N, Yokoyama H, Yamato H, Mikami T. Thermal comfort along the marathon course of the 2020 Tokyo Olympics. Int J Biometeorol 2018; 62:1407-1419. [PMID: 29667034 DOI: 10.1007/s00484-018-1539-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 03/18/2018] [Accepted: 04/03/2018] [Indexed: 06/08/2023]
Abstract
The Olympic Games will be held in Tokyo in 2020 and the period will be the hottest period of the year in Japan. Marathon is a sport with a large heat load, and it is said that the risk of heat stroke rises more than other sports activities. The thermal environment of the 2020 Tokyo Olympic marathon course is analyzed by using wet-bulb globe temperature (WBGT) and Universal Thermal Climate Index (UTCI) map of the center area of Tokyo. The change due to the place, the effect of the shadow of the building, and the position on the course was analyzed from the distribution of WBGT and UTCI in the short-term analysis of sunny day from August 2 to August 6, 2014. To make the distribution map, we calculated distributions of sky view factor and mean radiant temperature of the 10 km × 7.5 km analyzed area in the center of Tokyo. Distributions of air temperature and humidity are calculated from Metropolitan Environmental Temperature and Rainfall Observation System data, which is a high-resolution measurement network. It was possible to incorporate the local variation of temperature and humidity of the analyzed area. In the result, the WBGT is about 1 °C lower and the UTCI is about 4-8 °C lower in the shadow of buildings from 9:00 to 10:00 than in the sunny side. As a cooling method, making a shadow is a relatively effective method. The variation along the course considering the distribution of meteorological data within the area is about 0.5 °C WBGT and 1 °C UTCI range. If we allow the error of this range, one-point meteorological data can be applied for the estimation along the course. Passing the right side (left side in the case of return) of the course could keep the accumulated value slightly lower along the course in the morning because the marathon course roughly runs from west to east and buildings' shadow is on the relatively right side (south side). But practically, the effect of changing the position on the course was small. The long-term analysis on the degree of risk for each hour was also carried out by using one-point data of the first 10 days of August from 2007 to 2016. The risk increased rapidly after 8:00. It will be safer if the marathon race is finished before 9:00 or if the race is held after 19:00.
Collapse
Affiliation(s)
- Tsuyoshi Honjo
- Graduate School of Horticulture, Chiba University, 648, Matsudo, Matsudo-shi, Chiba, Japan.
| | - Yuhwan Seo
- Graduate School of Horticulture, Chiba University, 648, Matsudo, Matsudo-shi, Chiba, Japan
| | - Yudai Yamasaki
- Graduate School of Horticulture, Chiba University, 648, Matsudo, Matsudo-shi, Chiba, Japan
| | - Nobumitsu Tsunematsu
- Tokyo Metropolitan Research Institute for Environmental Protection, 1-7-5, Shinsuna, Koto-ku, Tokyo, Japan
| | - Hitoshi Yokoyama
- National Research Institute for Earth Science and Disaster Prevention, 3-1, Tennodai, Tsukuba-shi, Ibaraki-ken, Japan
| | - Hiroaki Yamato
- Nagano Environmental Conservation Research Institute, 2054-120 Kitago, Nagano-shi, Nagano, Japan
| | - Takehiko Mikami
- Department Geography, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji-shi, Tokyo, Japan
| |
Collapse
|
46
|
Berrocal Y, Fisher J, Regan J, Christison AL. Dehydration: A Multidisciplinary Case-Based Discussion for First-Year Medical Students. MedEdPORTAL 2018; 14:10725. [PMID: 30800925 PMCID: PMC6342389 DOI: 10.15766/mep_2374-8265.10725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 05/23/2018] [Indexed: 06/09/2023]
Abstract
INTRODUCTION As many medical school curricula shift to integrated learning of multiple basic science topics as well as clinical concepts, there is an increasing need for instructional materials that incorporate multiple topics yet are targeted to the knowledge basis of first-year medical students. This interactive case-based session for first-year medical students centers on the clinical presentation and initial evaluation of a patient experiencing dehydration after running a marathon in a high-altitude city. METHODS After completion of assigned out-of-class preparation, students followed the patient from a healthy state to moderate dehydration over the course of two 2-hour class sessions. Throughout discussion of the case, students answered questions requiring them to integrate elements of cell biology, biochemistry, physiology, and clinical reasoning with minimal faculty involvement. The learning activity was administered at University of Illinois College of Medicine campuses in both a small-group setting (10 students, one faculty facilitator) and a large-group format (55-90 students, multiple faculty facilitators). Following the activity, we assessed student perceptions of the design and implementation of the materials as well as effectiveness at meeting the learning goals. RESULTS Of 198 students who participated in the case discussions on dehydration, the majority rated the case positively, indicated by a rating of good or excellent. DISCUSSION This multidisciplinary case on dehydration can be used early in medical education to introduce students to clinical scenarios while learning fundamental science content. An integrated approach to medical content and versatility with regard to class size make this case a valuable teaching tool.
Collapse
Affiliation(s)
- Yerko Berrocal
- Associate Professor, Health Sciences Education Department, University of Illinois College of Medicine
| | - Jonathan Fisher
- Assistant Professor, Health Sciences Education Department, University of Illinois College of Medicine
| | - Jenna Regan
- Assistant Professor, Health Sciences Education Department, University of Illinois College of Medicine
| | - Amy L. Christison
- Assistant Professor, Pediatrics and Cancer Biology and Pharmacology Department, University of Illinois College of Medicine
| |
Collapse
|
47
|
Yoon YJ. Marathon running may induce a temporary bone loss. J Orthop 2018; 15:600-1. [PMID: 29881202 DOI: 10.1016/j.jor.2018.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Indexed: 11/21/2022] Open
|
48
|
Li F, Yi L, Yan H, Wang X, Nie J, Zhang H, Fu FHK, Zang Y, Yang S, Lu Y. High-sensitivity cardiac troponin T release after a single bout of high-intensity interval exercise in experienced marathon runners. J Exerc Sci Fit 2017; 15:49-54. [PMID: 29541132 PMCID: PMC5812874 DOI: 10.1016/j.jesf.2017.08.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/31/2017] [Accepted: 08/08/2017] [Indexed: 01/04/2023] Open
Abstract
OBJECTIVE The purpose of this study was to investigate the effects of a single bout of high-intensity interval exercise (HIIE) on high-sensitivity cardiac troponin T (hs-cTnT) release and to explore the potential influencing factors. METHODS Twenty-one experienced marathon runners completed HIIE on treadmill. Each bout of HIIE included a hard run (15.8 ± 1.3 km·h-1) at 90% vVO2max for 2 min followed by an easy run (8.8 ± 0.7 km·h-1) at 50% vVO2max for 2 min performed 23 times within 92 min. Heart rate (HR) was recorded every 2 min during HIIE. The hs-cTnT level was measured before (pre), immediately after (0 h), and at 4 and 24 h after exercise. RESULTS The hs-cTnT level was elevated at 0 h, peaked at 4 h, and had not returned to the baseline value at 24 h after exercise. The response of hs-cTnT at 4 h was positively related to exercise HR. Subjects with a greater increase in hs-cTnT level had a higher exercise HR under fixed exercise intensity. CONCLUSION HIIE at 90% vVO2max interspersed with 50% vVO2max for recovery can elicit hs-cTnT elevation. HR is a good predictor of exercise-induced cardiac troponin (cTn) release under fixed exercise intensity. Further study should consider to correct for HR when constructing impact factors contributing to exercise-induced cTn release.
Collapse
Affiliation(s)
- Feifei Li
- Department of Rehabilitation, Beijing Sport University, Beijing, China
| | - Longyan Yi
- Sport Science Research Centre, Beijing Sport University, Beijing, China
| | - Huiping Yan
- Department of Rehabilitation, Beijing Sport University, Beijing, China
| | - Xuejing Wang
- Clinical Laboratory, Civil Aviation General Hospital, Beijing, China
| | - Jinlei Nie
- School of Physical Education and Sports, Macao Polytechnic Institute, Macao, China
| | - Haifeng Zhang
- Physical Education College, Hebei Normal University, Shijiazhuang, China
- Provincial Key Lab of Measurement and Evaluation in Human Movement and Bio-Information, Hebei, China
| | - Frank Hoo Kin Fu
- Dr. Stephen Hui Research Centre for Physical Recreation and Wellness, Department of Physical Education, Hong Kong Baptist University, Hong Kong, China
| | - Yanpeng Zang
- Department of Physical Education, Hong Kong Baptist University, Hong Kong, China
| | - Shuo Yang
- Department of Rehabilitation, Beijing Sport University, Beijing, China
| | - Yifan Lu
- Department of Rehabilitation, Beijing Sport University, Beijing, China
| |
Collapse
|
49
|
Zach S, Xia Y, Zeev A, Arnon M, Choresh N, Tenenbaum G. Motivation dimensions for running a marathon: A new model emerging from the Motivation of Marathon Scale (MOMS). J Sport Health Sci 2017; 6:302-310. [PMID: 30356611 PMCID: PMC6189003 DOI: 10.1016/j.jshs.2015.10.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 07/05/2015] [Accepted: 07/10/2015] [Indexed: 06/08/2023]
Abstract
PURPOSE The aim of this study was to test and expand the Motivation of Marathoners Scale (MOMS) model (Masters et al., 1993). METHODS The MOMS questionnaire was distributed to 306 male and female marathon runners (age range: 20-77 years) with experience in marathon running (range: 1-44 runs). A confirmatory factor analysis (CFA) revealed that the original model failed to fit the data. Hence, exploratory factor analysis (EFA) was performed to test the best factorial solution for the current data, and a subsequent CFA was performed on the revised factorial structure. Then, a series of EFAs using maximum likelihood factor extraction method were performed. RESULTS The best structure solution for model-data fit resulted in 11 factors: psychological coping-emotional-related coping, psychological coping-everyday-life management, life meaning, self-esteem, recognition, affiliation, weight concerns, general health orientation-reduced disease prevalence and longevity, general health orientation-keep fit, competition, and personal goal achievement. CONCLUSION This study provides a sound and solid framework for studying motivation for physically demanding tasks such as marathon runs, and needs to be similarly applied and tested in studies incorporating physical tasks which vary in mental demands.
Collapse
Affiliation(s)
- Sima Zach
- Zinman College for Physical Education and Sport Sciences, Wingate Institute, Netanya 42902, Israel
| | - Yan Xia
- Department of Educational Psychology and Learning Systems, College of Education, Florida State University, Tallahassee, FL 32306-4453, USA
| | - Aviva Zeev
- Zinman College for Physical Education and Sport Sciences, Wingate Institute, Netanya 42902, Israel
| | - Michal Arnon
- Zinman College for Physical Education and Sport Sciences, Wingate Institute, Netanya 42902, Israel
| | - Noa Choresh
- Zinman College for Physical Education and Sport Sciences, Wingate Institute, Netanya 42902, Israel
| | - Gershon Tenenbaum
- Department of Educational Psychology and Learning Systems, College of Education, Florida State University, Tallahassee, FL 32306-4453, USA
| |
Collapse
|
50
|
Maxwell S, Renier C, Sikka R, Widstrom L, Paulson W, Christensen T, Olson D, Nelson B. Online pre-race education improves test scores for volunteers at a marathon. PHYSICIAN SPORTSMED 2017; 45:265-270. [PMID: 28679304 DOI: 10.1080/00913847.2017.1350083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES This study examined whether an online course would lead to increased knowledge about the medical issues volunteers encounter during a marathon. MATERIALS AND METHODS Health care professionals who volunteered to provide medical coverage for an annual marathon were eligible for the study. Demographic information about medical volunteers including profession, specialty, education level and number of marathons they had volunteered for was collected. A 15-question test about the most commonly encountered medical issues was created by the authors and administered before and after the volunteers took the online educational course and compared to a pilot study the previous year. RESULTS Seventy-four subjects completed the pre-test. Those who participated in the pilot study last year (N = 15) had pre-test scores that were an average of 2.4 points higher than those who did not (mean ranks: pilot study = 51.6 vs. non-pilot = 33.9, p = 0.004). Of the 74 subjects who completed the pre-test, 54 also completed the post-test. The overall post-pre mean score difference was 3.8 ± 2.7 (t = 10.5 df = 53 p < 0.001). While subjects with all levels of volunteer experience demonstrated improvement, only change among first time marathon volunteers was significantly different from the others. Subjects reporting all degree/certification levels demonstrated improvement, but no difference in improvement was found between degree/certification levels. CONCLUSION In this follow-up to the previous year's pilot study, online education demonstrated a long-term (one-year) increase in test scores. Testing also continued to show short-term improvement in post-course test scores, compared to pre-course test scores. In general, marathon medical volunteers who had no volunteer experience demonstrated greater improvement than those who had prior volunteer experience.
Collapse
Affiliation(s)
- Shane Maxwell
- a University of Minnesota Primary Care Sports Medicine Fellowship , Minneapolis , MN , USA.,b 2-Essentia Health, Medical Orthopedics , Duluth , MN , USA
| | - Colleen Renier
- d Essentia Institute of Rural Health , Duluth , MN , USA
| | | | - Luke Widstrom
- a University of Minnesota Primary Care Sports Medicine Fellowship , Minneapolis , MN , USA
| | - William Paulson
- a University of Minnesota Primary Care Sports Medicine Fellowship , Minneapolis , MN , USA
| | - Trent Christensen
- a University of Minnesota Primary Care Sports Medicine Fellowship , Minneapolis , MN , USA
| | - David Olson
- a University of Minnesota Primary Care Sports Medicine Fellowship , Minneapolis , MN , USA
| | - Benjamin Nelson
- b 2-Essentia Health, Medical Orthopedics , Duluth , MN , USA
| |
Collapse
|