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Pimenta R, Antunes H, Bruno P, Veloso AP. Hamstrings mechanical properties profiling in football players of different competitive levels and positions after a repeated sprint protocol. Front Physiol 2024; 14:1315564. [PMID: 38239882 PMCID: PMC10794661 DOI: 10.3389/fphys.2023.1315564] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/12/2023] [Indexed: 01/22/2024] Open
Abstract
Purpose: This study compares the average speed, knee flexor peak torque and shear modulus of the hamstrings after a repeated sprint task, in football players of different competitive levels and playing positions. Methods: Fifty-four football field players without hamstring strain injury history participated, 15 being categorized as professional (2nd league) and 39 as semi-professional (17 in 3rd and 22 in 4th league). Muscle shear modulus was assessed using ultrasound-based shear wave elastography at rest and at 20% of maximal voluntary isometric effort before and immediately after the repeated sprint protocol. Results: No significant differences were seen in average sprint speed between competitive levels (p = 0.07; η2p = 0.28) and positions (p = 0.052; η2p = 0.29). Moreover, the sprint fatigue index showed no significant differences between competitive levels (p = 0.14; η2p = 0.08) and playing positions (p = 0.89; η2p = 0.05). No significant differences were observed in hamstring shear modulus changes between competitive levels (p = 0.94; η2p = 0.03) and positions (p = 0.92; η2p = 0.03). Peak torque changes also showed non-significant association with competitive levels (p = 0.46; η2p = 0.03) and positions (p = 0.60; η2p = 0.02). Conclusion: The results of this study suggest that the average sprint speed performance parameter and mechanical parameters are not able to distinguish football players of different competitive levels and positions.
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Affiliation(s)
- Ricardo Pimenta
- CIPER, Centro Interdisciplinar de Performance Humana, Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal
- Research Center of the Polytechnic Institute of Maia (N2i), Maia Polytechnic Institute (IPMAIA), Maia, Portugal
- Futebol Clube Famalicão—Futebol SAD, Department of Rehabilitation and Performance, Famalicão, Portugal
| | - Hugo Antunes
- CIPER, Centro Interdisciplinar de Performance Humana, Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal
| | - Paula Bruno
- CIPER, Centro Interdisciplinar de Performance Humana, Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal
| | - A. P. Veloso
- CIPER, Centro Interdisciplinar de Performance Humana, Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal
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Freitas SR, Radaelli R, Oliveira R, Vaz JR. Hamstring Stiffness and Strength Responses to Repeated Sprints in Healthy Nonathletes and Soccer Players With Versus Without Previous Injury. Sports Health 2023; 15:824-834. [PMID: 37254837 PMCID: PMC10606964 DOI: 10.1177/19417381231175474] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND The effect of 10 × 30 m repeated sprints on passive and active stiffness of semitendinosus (ST) and biceps femoris long head (BFlh), and knee flexor maximal voluntary isometric contraction (MVIC) and rate of force development (RFD), and whether athletes with previous hamstring injury have a different response, is unknown. HYPOTHESIS Repeated sprints would (1) increase BFlh stiffness and decrease ST stiffness and knee flexors MVIC and RFD in healthy participants; and (2) greater magnitude of response would be seen in athletes with previous hamstring injury. STUDY DESIGN Case series (experiment I) and case control (experiment II) study designs. LEVEL OF EVIDENCE Level 3. METHODS Healthy nonathletes attended 2 replicated sessions (experiment I, n = 18), while soccer players with (n = 38) and without (n = 67) previous hamstring injury attended 1 testing session (experiment II). RESULTS In both experiments, the knee flexors MVIC and RFD decreased after the sprints (P < 0.05). In experiment I, the ST and BFlh passive stiffness reduced after the sprints (P < 0.02), while a small BFlh active stiffness increase was noted (P = 0.02); however, no correlation was observed between the 2 testing sessions for the postsprint muscle stiffness responses (r = -0.07-0.44; P > 0.07). In experiment II, only an ST passive stiffness reduction was observed after the sprints (P < 0.01). No differences were noted between injured and noninjured lower limbs for any variable (P > 0.10). CONCLUSION Repeated sprints are likely to decrease the knee flexor's maximal and rapid strength, and to alter the hamstring stiffness in the nonathlete population. Previous hamstring injury does not apparently affect the footballer's hamstring functional and mechanical responses to repeated sprints. CLINICAL RELEVANCE The responses of hamstring stiffness and knee flexor strength to repeated sprints are unlikely to be associated with hamstring injury.
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Affiliation(s)
- Sandro R. Freitas
- Laboratório de Função Neuromuscular, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada, Lisboa, Portugal
| | - Régis Radaelli
- Laboratório de Função Neuromuscular, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada, Lisboa, Portugal
- Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health and Science, Monte de Caparica, Setúbal, Portugal
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada, Lisboa, Portugal
| | - Raúl Oliveira
- Laboratório de Função Neuromuscular, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada, Lisboa, Portugal
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada, Lisboa, Portugal
| | - João R. Vaz
- Egas Moniz Center for Interdisciplinary Research, Egas Moniz School of Health and Science, Monte de Caparica, Setúbal, Portugal
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada, Lisboa, Portugal
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Sutherland AMT, Lynch JT, Serpell BG, Pickering MR, Newman P, Perriman DM, Kenneally-Dabrowski C. Statistical shape modelling reveals differences in hamstring morphology between professional rugby players and sprinters. J Sports Sci 2023; 41:164-171. [PMID: 37074755 DOI: 10.1080/02640414.2023.2204269] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2023]
Abstract
Hamstring morphology may play an important role in understanding the aetiology of hamstring injury. Currently, the methods available to capture detailed morphological data such as muscle shape have not been utilized for the hamstring muscles. The aim of this study was to examine the utility of statistical shape modelling (SSM) for describing and comparing hamstring muscle shape in rugby and sprinting athletes. Magnetic resonance images of both thighs of nine elite male rugby players and nine track and field sprinters were analysed. Images were converted to three-dimensional models enabling generation of four statistical shape models. Principal components describing the shape variation in the cohort were derived and evaluated. Six principal components were sufficient to discriminate differences in the shape of the hamstring muscles of rugby and sprinting athletes with 89% classification accuracy. Distinct shape features distinguishing rugby players from sprinters included size, curvature and axial torsion. These data demonstrate that SSM is useful for understanding hamstring muscle shape and that meaningful variation can be identified within a small sample. This method can be used in future research to enhance the anatomical specificity of musculoskeletal modelling and to understand the relationship between hamstring shape and injury.
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Affiliation(s)
- Ashlee M T Sutherland
- Faculty of Health, Discipline of Physiotherapy, University of Canberra, Bruce, ACT, Australia
| | - Joseph T Lynch
- Medical School, Australian National University, Canberra, ACT, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Woden, ACT, Australia
| | - Benjamin G Serpell
- Football Department, Brumbies Rugby, Bruce, ACT, Australia
- Football Department, Geelong Football Club, Geelong, VIC, Australia
- School of Science and Technology, University of New England, Armidale, NSW, Australia
| | - Mark R Pickering
- School of Engineering and Information Technology, University of New South Wales at the Australian Defence Force Academy, Canberra, Australia
| | - Phil Newman
- Faculty of Health, Discipline of Physiotherapy, University of Canberra, Bruce, ACT, Australia
- University of Canberra Research Institute for Sport and Exercise (UCRISE), University of Canberra, Bruce, Australia
| | - Diana M Perriman
- Medical School, Australian National University, Canberra, ACT, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Woden, ACT, Australia
| | - Claire Kenneally-Dabrowski
- Medical School, Australian National University, Canberra, ACT, Australia
- Centre for Sports Research, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Australia
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Kenneally-Dabrowski C, Brown NAT, Serpell BG, Perriman D, Spratford W, Sutherland A, Pickering M, Lai AKM. Hamstring musculotendon mechanics of prospectively injured elite rugby athletes. Res Sports Med 2023:1-12. [PMID: 36927240 DOI: 10.1080/15438627.2023.2189115] [Citation(s) in RCA: 1] [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] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 02/20/2023] [Indexed: 03/18/2023]
Abstract
The musculotendon mechanics of the hamstrings during high-speed running are thought to relate to injury but have rarely been examined in the context of prospectively occurring injury. This prospective study describes the hamstring musculotendon mechanics of two elite rugby players who sustained hamstring injuries during on-field running. Athletes undertook biomechanical analyses of high-speed running during a Super Rugby pre-season, prior to sustaining hamstring injuries during the subsequent competition season. The biceps femoris long head muscle experienced the greatest strain of all hamstring muscles during the late swing phase. When expressed relative to force capacity, biceps femoris long head also experienced the greatest musculotendon forces of all hamstring muscles. Musculotendon strain and force may both be key mechanisms for hamstring injury during the late swing phase of running.
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Affiliation(s)
- Claire Kenneally-Dabrowski
- ANU Medical School, Australian National University, Canberra, ACT, Australia
- Movement Science, Australian Institute of Sport, Canberra, ACT, Australia
- Centre for Sports Research, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Australia
| | - Nicholas A T Brown
- Faculty of Health, University of Canberra Research Institute for Sport and Exercise, Canberra, ACT, Australia
| | - Benjamin G Serpell
- Football Department, Brumbies Rugby, Canberra, ACT, Australia
- Football Department, Geelong Football Club, Geelong, VIC, Australia
- School of Science and Technology, University of New England, Armidale, NSW, Australia
| | - Diana Perriman
- ANU Medical School, Australian National University, Canberra, ACT, Australia
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, ACT, Australia
| | - Wayne Spratford
- Faculty of Health, University of Canberra Research Institute for Sport and Exercise, Canberra, ACT, Australia
- Discipline of Sport and Exercise Science, Faculty of Health, University of Canberra, Canberra, ACT, Australia
| | - Ashlee Sutherland
- Football Department, Brumbies Rugby, Canberra, ACT, Australia
- Discipline of Physiotherapy, Faculty of Health, University of Canberra, Bruce, ACT, Australia
| | - Mark Pickering
- Trauma and Orthopaedic Research Unit, Canberra Hospital, Canberra, ACT, Australia
- School of Engineering and Information Technology, University of New South Wales at the Australian Defence Force Academy, Canberra, Australia
| | - Adrian K M Lai
- Product Innovation, lululemon Athletica, Vancouver, BC, Canada
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Pimenta R, Antunes H, Lopes T, Veloso A. Do Repeated Sprints Affect the Biceps Femoris Long Head Architecture in Football Players with and without an Injury History?-A Retrospective Study. Biology (Basel) 2023; 12:biology12010096. [PMID: 36671788 PMCID: PMC9855802 DOI: 10.3390/biology12010096] [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] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
The aim of this study was to compare the biceps femoris long head (BFlh) architecture between football players with (twelve) and without (twenty) history of BFlh injury before and after a repeated sprint task. Fascicle length (FL), pennation angle (PA) and muscle thickness (MT) were assessed at rest and in the active condition before and after the repeated sprint protocol. Athletes with previous BFlh injury showed shorter FL at rest (p = 0.014; η2p = 0.196) and active state (p < 0.001; η2p = 0.413), and greater PA at rest (p = 0.002; η2p = 0.307) and active state (p < 0.001; η2p = 0.368) before and after the task. Intra-individual comparisons showed that injured limbs have shorter FL at rest (p = 0.012; η2p = 0.519) and in the active state (p = 0.039; η2p = 0.332), and greater PA in passive (p < 0.001; η2p = 0.732) and active conditions (p = 0.018; η2p = 0.412), when compared with contralateral limbs. Injured players, at rest and in the active condition, display shorter BFlh FL and greater PA than contralateral and healthy controls after repeated sprints. Moreover, the BFlh of injured players presented a different architectural response to the protocol compared with the healthy controls.
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Affiliation(s)
- Ricardo Pimenta
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1649-004 Cruz Quebrada-Dafundo, Portugal
- Correspondence: ; Tel.: +35-19-1885-2877
| | - Hugo Antunes
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1649-004 Cruz Quebrada-Dafundo, Portugal
| | - Tomás Lopes
- Department of Biochemistry, King’s College London, London WC2R 2LS, UK
| | - António Veloso
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, 1649-004 Cruz Quebrada-Dafundo, Portugal
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Soga T, Keerasomboon T, Akiyama K, Hirose N. Difference of Hamstring Activity Between Bilateral and Unilateral Nordic Hamstring Exercises With a Sloped Platform. J Sport Rehabil 2022;:1-6. [PMID: 34969009 DOI: 10.1123/jsr.2021-0249] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/29/2021] [Accepted: 10/06/2021] [Indexed: 11/18/2022]
Abstract
CONTEXT This study aimed to examine the differences in electromyographic (EMG) activity of the biceps femoris long head (BFlh) and semitendinosus (ST) muscles, break-point angle (BPA), and the angle at peak BFlh EMG activity between bilateral and unilateral Nordic hamstring exercise (NHE) on a sloped platform. DESIGN This study was designed as a case-control study. METHODS Fourteen men participated in the study. The participants initially performed maximum voluntary isometric contraction (MVIC) on the prone leg curl to normalize the peak hamstring EMG amplitude as the %MVIC. Then, participants were randomized to perform the following 3 variations of NHE: bilateral (N40) or unilateral (N40U) NHE with a platform angle of 40°, and unilateral NHE with a platform angle of 50° (N50U). The EMG activities of the BFlh and ST and the knee flexion angle during the NHE variations were recorded to calculate the EMG activity of the BFlh and ST in terms of the %MVIC, the angle at peak BFlh EMG, and BPA. RESULTS The BFlh %MVIC was significantly higher in N40U (P < .05) and N50U (P < .05) than in N40. A significant difference in BFlh %MVIC and ST %MVIC was observed between N40U (P < .05) and N50U (P < .05). The mean values of BPA and the angle at peak BFlh EMG were <30° for all NHE variations. CONCLUSIONS In the late swing phase of high-speed running, BFlh showed higher EMG activity; thus, unilateral NHE may be a specific hamstring exercise for hamstring injury prevention.
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Zheng K, Yang W, Ren H, Wang S, Sun M, Zhang W, Li C. Compression syndromes of the popliteal artery due to intramuscular ganglion cyst of the biceps femoris: A case report and literature review. Front Cardiovasc Med 2022; 9:1018694. [PMID: 36505376 PMCID: PMC9732263 DOI: 10.3389/fcvm.2022.1018694] [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] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 11/08/2022] [Indexed: 11/27/2022] Open
Abstract
Intramuscular ganglion cyst (IMGC) is a very rare lesion with an unidentified pathogeny that originates within the muscle. We encountered a case of 49-year-old man who complained of intermittent claudication in the right lower limb for 2 months. An intramuscular ganglion cyst in the biceps femoris muscle was diagnosed and located by Computed tomography angiography (CTA) and magnetic resonance imaging (MRI), which compressed the popliteal artery and resulted in ischemia in the right lower limb. Six months after surgical resection, there was no recurrence of the cyst and the popliteal artery was patency. We describe this case with a review of the relevant literature.
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Kellis E, Konstantinidou A, Ellinoudis A. Muscle Length of the Hamstrings Using Ultrasonography Versus Musculoskeletal Modelling. J Funct Morphol Kinesiol 2021; 6:jfmk6010026. [PMID: 33809069 PMCID: PMC8006252 DOI: 10.3390/jfmk6010026] [Citation(s) in RCA: 6] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/05/2021] [Accepted: 03/10/2021] [Indexed: 11/16/2022] Open
Abstract
Muscle morphology is an important contributor to hamstring muscle injury and malfunction. The aim of this study was to examine if hamstring muscle-tendon lengths differ between various measurement methods as well as if passive length changes differ between individual hamstrings. The lengths of biceps femoris long head (BFlh), semimembranosus (SM), and semitendinosus (ST) of 12 healthy males were determined using three methods: Firstly, by identifying the muscle attachments using ultrasound (US) and then measuring the distance on the skin using a flexible ultrasound tape (TAPE-US). Secondly, by scanning each muscle using extended-field-of view US (EFOV-US) and, thirdly, by estimating length using modelling equations (MODEL). Measurements were performed with the participant relaxed at six combinations of hip (0°, 90°) and knee (0°, 45°, and 90°) flexion angles. The MODEL method showed greater BFlh and SM lengths as well as changes in length than US methods. EFOV-US showed greater ST and SM lengths than TAPE-US (p < 0.05). SM length change across all joint positions was greater than BFlh and ST (p < 0.05). Hamstring length predicted using regression equations is greater compared with those measured using US-based methods. The EFOV-US method yielded greater ST and SM length than the TAPE-US method. SM showed the highest change in length at different hip and knee joint positions.
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