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Perrone M, Guidetti M, Galli M, Nho SJ, Wimmer MA, Malloy P. Hip joint contact forces are lower in people with femoroacetabular impingement syndrome during squat tasks. J Orthop Res 2024; 42:1045-1053. [PMID: 38032092 DOI: 10.1002/jor.25744] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 10/16/2023] [Accepted: 11/20/2023] [Indexed: 12/01/2023]
Abstract
It remains unknown if hip joint forces during squat tasks are altered in people with femoroacetabular impingement syndrome (FAIS). The aim of this study is to compare hip joint forces between people with FAIS and healthy controls during double leg squat and single leg squat tasks and within limbs during a single leg squat task in people with FAIS. Kinematic and kinetic data were collected in eight people with FAIS and eight healthy matched controls using 3D motion capture and force plates. AnyBody Modeling System was used to perform musculoskeletal simulations to estimate hip joint angles, forces, and moments for all participants. Estimates were postprocessed with AnyPyTools and converted into normalized time series to be compared using a 1D statistical nonparametric mapping (SnPM) approach. SnPM with an independent samples t-test model was used to compare people with FAIS to controls, while a paired samples model was used to compare involved to uninvolved limb in people with FAIS. Patients demonstrated lower proximodistal force compared to controls (p < 0.01) and compared to the uninvolved side (p = 0.01) for single leg squat. The smaller joint contact forces in people with FAIS compared to controls could represent a strategy of reduced muscle forces to avoid pain and symptoms during this high demand task. These findings when combined with imaging data could help assess the severity of FAIS on hip related function during higher demand tasks.
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Affiliation(s)
- Mattia Perrone
- Department of Physical Therapy, Arcadia University, Glenside, Pennsylvania, USA
- Department of Orthopedic Surgery, Division of Sports Medicine, Young Adult Hip Surgery Program, Rush University Medical Center, Chicago, Illinois, USA
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
- Department of Electronics, Information and Bioengineering, Politecnico Di Milano, Milan, Italy
| | - Martina Guidetti
- Department of Orthopedic Surgery, Division of Sports Medicine, Young Adult Hip Surgery Program, Rush University Medical Center, Chicago, Illinois, USA
| | - Manuela Galli
- Department of Electronics, Information and Bioengineering, Politecnico Di Milano, Milan, Italy
| | - Shane J Nho
- Department of Orthopedic Surgery, Division of Sports Medicine, Young Adult Hip Surgery Program, Rush University Medical Center, Chicago, Illinois, USA
| | - Markus A Wimmer
- Department of Orthopedic Surgery, Division of Sports Medicine, Young Adult Hip Surgery Program, Rush University Medical Center, Chicago, Illinois, USA
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Philip Malloy
- Department of Physical Therapy, Arcadia University, Glenside, Pennsylvania, USA
- Department of Orthopedic Surgery, Division of Sports Medicine, Young Adult Hip Surgery Program, Rush University Medical Center, Chicago, Illinois, USA
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Nimmal Haribabu G, Basu B. Implementing Machine Learning approaches for accelerated prediction of bone strain in acetabulum of a hip joint. J Mech Behav Biomed Mater 2024; 153:106495. [PMID: 38460455 DOI: 10.1016/j.jmbbm.2024.106495] [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: 12/05/2023] [Revised: 02/10/2024] [Accepted: 03/01/2024] [Indexed: 03/11/2024]
Abstract
The Finite Element (FE) methods for biomechanical analysis involving implant design and subject parameters for musculoskeletal applications are extensively reported in literature. Such an approach is manually intensive and computationally expensive with longer simulations times. Although Artificial Intelligence (AI) based approaches are implemented to a limited extent in biomechanics, such approaches to predict bone strain in acetabulum of a hip joint, are hardly explored. In this context, the primary objective of this paper is to evaluate machine learning (ML) models in tandem with high-fidelity FEA data for the accelerated prediction of the biomechanical response in the acetabulum of the human hip joint, during the walking gait. The parameters used in the FEA study included the subject weight, number and distribution of fins on the periphery of the acetabular shell, bone condition and phases of the gait cycle. The biomechanical response has also been evaluated using three different acetabular liners, including pre-clinically validated HDPE-20% HA-20% Al2O3, highly-crosslinked ultrahigh molecular weight polyethylene (HC-UHMWPE) and ZrO2-toughened Al2O3 (ZTA). Such parametric variation in FEA analysis, involving 26 variables and a full factorial design resulted in 10,752 datasets for spatially varying bone strains. The bone condition, as opposed to subject weight, was found to play a statistically significant role in determining the strain response in the periprosthetic bone of the acetabulum. While utilising hyperparameter tuning, K-fold cross validation and statistical learning approaches, a number of ML models were trained on the FEA dataset, and the Random Forest model performed the best with a coefficient of determination (R2) value of 0.99/0.97 and Root Mean Square Error (RMSE) of 0.02/0.01 on the training/test dataset. Taken together, this study establishes the potential of ML approach as a fast surrogate of FEA for implant biomechanics analysis, in less than a minute.
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Affiliation(s)
- Gowtham Nimmal Haribabu
- Laboratory for Biomaterials Science and Translational Research, Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India
| | - Bikramjit Basu
- Laboratory for Biomaterials Science and Translational Research, Materials Research Centre, Indian Institute of Science, Bangalore, 560012, India.
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González-de-la-Flor Á, Valera-Calero JA, García-Fernández P, López-de-Uralde-Villanueva I, Fernández-de-Las-Peñas C, Plaza-Manzano G. Clinical Presentation Differences Among Four Subtypes of Femoroacetabular Impingement: A Case-Control Study. Phys Ther 2024; 104:pzad179. [PMID: 38157293 DOI: 10.1093/ptj/pzad179] [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: 05/04/2023] [Revised: 08/21/2023] [Accepted: 11/07/2023] [Indexed: 01/03/2024]
Abstract
OBJECTIVE The aims of this study were to assess the psychological, functional, and physical differences between patients with femoroacetabular impingement (FAI) syndrome and individuals who were asymptomatic (controls) to analyze clinical differences among 4 subtypes of FAI (cam type, cam type with labral tear, pincer type, and pincer type with labral tear), to calculate the correlations among the variables described, and to identify risk factors contributing to the hip function variance. METHODS A case-control study was conducted at a hospital rehabilitation unit with a cohort of individuals who were asymptomatic (controls) and a cohort of patients with FAI. Sociodemographic characteristics, pain intensity, psychological health status, hip range of motion (RoM), hip isometric strength, and hip function were assessed. RESULTS A total of 69 controls and 69 patients with FAI were analyzed. Although sociodemographic characteristics were comparable between samples, poorer hip RoM, strength, and psychological health were found for the cases. FAI subtypes showed no significant pain intensity, psychological health, or RoM differences (except for hip adduction), but hip strength differed among FAI subtypes. Multiple significant correlations between psychological health, pain intensity, RoM, strength, and hip function were found. The variance values of the International Hip Outcome Tool, Hip Outcome Score (HOS) for daily living activities, and HOS for sports activities were partially explained (47.6%, 36.0%, and 21.6%, respectively) on the basis of kinesiophobia, hip strength, self-efficacy, and anxiety. CONCLUSION Patients with FAI showed poorer psychological health, hip RoM, and strength than individuals who were asymptomatic and had similar sociodemographic characteristics. FAI subtype influenced the patients' clinical presentations. Hip strength, kinesiophobia, anxiety, and self-efficacy should be targeted for improving hip function, as they have been demonstrated to be important contributors to hip disability. IMPACT This study demonstrated that pain catastrophizing, hip strength, and hip adduction differed among FAI subtypes. However, hip function and pain intensity were comparable between FAI subtypes.
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Affiliation(s)
- Ángel González-de-la-Flor
- Department of Physical Therapy and Sport Medicine, Hospital Universitario Quironsalud Madrid, Madrid, Spain
- Department of Physiotherapy, Faculty of Sport Sciences, Universidad Europea de Madrid, Madrid, Spain
| | - Juan Antonio Valera-Calero
- Department of Radiology, Rehabilitation and Physiotherapy, Faculty of Nursery, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
- Grupo InPhysio, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Pablo García-Fernández
- Department of Radiology, Rehabilitation and Physiotherapy, Faculty of Nursery, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
- Grupo InPhysio, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Ibai López-de-Uralde-Villanueva
- Department of Radiology, Rehabilitation and Physiotherapy, Faculty of Nursery, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
- Grupo InPhysio, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - César Fernández-de-Las-Peñas
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, Spain
- Cátedra Institucional en Docencia, Clínica e Investigación en Fisioterapia: Terapia Manual, Punción Seca y Ejercicio Terapéutico, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Gustavo Plaza-Manzano
- Department of Radiology, Rehabilitation and Physiotherapy, Faculty of Nursery, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
- Grupo InPhysio, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
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Mittal M, Momtaz D, Gonuguntla R, Singh A, Dave D, Mohseni M, Torres-Izquierdo B, Schaibley C, Hosseinzadeh P. The Effect of Human Growth Hormone Treatment on the Development of Slipped Capital Femoral Epiphysis: A Cohort Analysis With 6 Years of Follow-up. J Pediatr Orthop 2024; 44:e344-e350. [PMID: 38225906 DOI: 10.1097/bpo.0000000000002618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
BACKGROUND Slipped capital femoral epiphysis (SCFE) is a common hip disorder in adolescents that can result in substantial complications, impacting the quality of life. Human Growth Hormone (HGH) administration may elevate the risk of SCFE, though the relationship remains unclear. Clarifying this association could enable better monitoring and earlier diagnosis of SCFE in patients receiving HGH. The aim of the study is to investigate the association between HGH administration and the incidence of SCFE. METHODS This retrospective cohort study utilized data from the TriNetX research database from January 2003 to December 2022. The study included 2 cohorts: an HGH cohort including 36,791 patients aged below 18 years receiving HGH therapy and a control group consisting of patients who did not receive HGH therapy. A 1:1 propensity score matching technique was employed to ensure comparability between the HGH and no-HGH cohorts. The primary outcome measure was the development of SCFE identified by International Classification of Diseases codes. For comparative analysis, both risk ratios (RR) and hazard ratios were computed to evaluate the association between HGH therapy and the development of SCFE. RESULTS The HGH cohort had an increased risk of SCFE compared with the no-HGH cohort (RR: 3.5, 95% CI: 2.073, 5.909, P <0.001) and had an increased hazard of developing SCFE (hazard ratio: 2.627, 95% CI: 1.555, 4.437, P <0.001). Patients with higher exposure to HGH (defined as >10 prescriptions) had an RR of 1.914 (95% CI: 1.160, 3.159, P =0.010) when compared with their counterparts with ≤10 prescriptions. CONCLUSIONS In the largest study to date, HGH administration was associated with an elevated risk of SCFE in children in a dose-dependent manner. LEVEL OF EVIDENCE Level III-therapeutic retrospective cohort study.
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Affiliation(s)
| | - David Momtaz
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX
| | - Rishi Gonuguntla
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX
| | - Aaron Singh
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX
| | - Dhyan Dave
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX
| | - Mahshid Mohseni
- Department of Orthopaedics, Washington University School of Medicine, St. Louis, MO
| | | | - Claire Schaibley
- Department of Orthopaedics, Washington University School of Medicine, St. Louis, MO
| | - Pooya Hosseinzadeh
- Department of Orthopaedics, Washington University School of Medicine, St. Louis, MO
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Ozudogru Celik T. Letter to the Editor on "Investigating sagittal spinopelvic alignment and equivalent stress on the femoral head in patients with rapidly destructive coxarthrosis". Eur J Orthop Surg Traumatol 2024; 34:1731. [PMID: 38044335 DOI: 10.1007/s00590-023-03795-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/16/2023] [Indexed: 12/05/2023]
Affiliation(s)
- Tugba Ozudogru Celik
- Department of Physical Medicine and Rehabilitation, University of Health Sciences Turkey, Ankara Bilkent City Hospital, 06800, Ankara, Turkey.
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Nara R, Ikeda Y, Shimojo H, Sato D, Ichikawa H, Baba Y, Shimoyama Y. Does different timing of hip and knee joint extension during take-off affect backstroke start performance? Sports Biomech 2024; 23:431-442. [PMID: 33586619 DOI: 10.1080/14763141.2020.1867230] [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: 06/15/2020] [Accepted: 12/16/2020] [Indexed: 10/22/2022]
Abstract
This study investigated how the difference in the timing of the extension of the joints of the lower limbs during take-off affects the backstroke start performance. Eleven backstroke swimmers performed three lower-limb joint extension sequences of backstroke start: knee extension after hip extension (KAH), simultaneous hip and knee extension (SHK), and knee extension before hip extension (KBH). The shortest 5-m time was performed at KAH (1.90 ± 0.26 s), followed by a performance at SHK (2.12 ± 0.52 s) and KBH (2.47 ± 0.61 s). The greater trochanter (GT) vertical positions at toe-off were higher at KAH and SHK than at KBH. KAH had a shorter entry range, defined as the horizontal distance from the fingertip (FT) to the GT entry in the water, than KBH and SHK. A positive correlation was noted between the entry range and the 5-m time at KAH (r = 0.79). In addition, a negative correlation was observed between the GT vertical position at toe-off and the entry range at KAH (r = -0.65). The results suggested that KAH makes it easier to take the arched-back posture after toe-off, allowing the performance of a hole-entry technique that reduces the entry range and the 5-m time.
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Affiliation(s)
- Rio Nara
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
| | - Yusuke Ikeda
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
| | - Hirofumi Shimojo
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
| | - Daisuke Sato
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
| | - Hiroshi Ichikawa
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
| | - Yasuhiro Baba
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
| | - Yoshimitsu Shimoyama
- Department of Health and Sports, Niigata University of Health and Welfare, Niigata, Japan
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Şencan S, Saçaklıdır R, Gündüz OH. Fluoroscopy-guided triple hip block for patients with hip osteoarthritis: A new approach. Agri 2024; 36:120-122. [PMID: 38558396 DOI: 10.14744/agri.2022.26878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Hip osteoarthritis (OA) is found in approximately 10% of the population and often causes disability and social limitations in elderly patients. Intra-articular injections are among the most frequently applied interventional treatments for the hip joint. Femoral and obturator sensorial nerve blocks have also been reported to be effective for both diagnostic and therapeutic purposes. A single needle insertion was performed for the blockage of the hip joint and sensory branches. For the sensory branch of the femoral nerve, the needle is advanced at nearly a 45-degree angle toward below the anterior inferior iliac spine near the anterolateral edge of the hip joint. For the sensory branch of the obturator nerve, the needle is advanced at nearly an angle of 45 degrees toward the area below the junction of the pubis and ischium. Finally, for joint injection, the same needle was advanced toward the midline of the anterior femoral head-neck junction at a steeper angle, and blocks were applied. Three patients with hip osteoarthritis were injected with this method and well-being was achieved in a 3-month follow-up. We think that blockage of the hip joint and peripheral sensory branches with a single needle insertion is a fast and effective method. However, prospective controlled studies are needed to determine the efficacy and safety of the method.
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Affiliation(s)
- Savaş Şencan
- Division of Pain Medicine, Department of Physical Medicine and Rehabilitation, Marmara University Faculty of Medicine, İstanbul, Türkiye
| | - Rekib Saçaklıdır
- Division of Pain Medicine, Department of Physical Medicine and Rehabilitation, Marmara University Faculty of Medicine, İstanbul, Türkiye
| | - Osman Hakan Gündüz
- Division of Pain Medicine, Department of Physical Medicine and Rehabilitation, Marmara University Faculty of Medicine, İstanbul, Türkiye
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Forogh B, Ghaseminejad Raeini A, Jebeli Fard R, Mirghaderi P, Nakhostin-Ansari A, Nakhostin-Ansari N, Bahari H, Hoveidaei AH. Efficacy of trigger point dry needling on pain and function of the hip joint: a systematic review of randomized clinical trials. Acupunct Med 2024; 42:63-75. [PMID: 38149616 DOI: 10.1177/09645284231207870] [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] [Indexed: 12/28/2023]
Abstract
OBJECTIVE The objective of this study was to assess the evidence for the impact of dry needling (DN) on hip pain and function. METHODS Medline/PubMed, Embase, Scopus, Web of Science and Cochrane CENTRAL databases were searched systematically through June 2022 for randomized clinical trials (RCTs) investigating the impact of DN on hip pain and function. Version 2 of the Cochrane risk-of-bias tool for randomized trials (RoB 2) was used to assess risk of bias. Descriptive analysis was conducted to explain the outcomes and adverse events of DN in hip joint diseases. Meta-analysis was not feasible due to significant heterogeneity. RESULTS A total of seven eligible studies (including 273 patients) were included out of 2152 screened records. Five studies were in participants with hip osteoarthritis (OA; n = 3), greater trochanteric pain syndrome (GTPS; n = 1) or piriformis syndrome (n = 1); the other two studies were conducted in healthy athletes (n = 2). Two articles assessed changes in participants' short-term visual analog scale (VAS) scores (<1 week), one of which showed that DN significantly reduced pain (P < 0.05). One-week VAS scores were analyzed in three studies, all of which demonstrated reduced scores following DN (P < 0.05). Hip range of motion (ROM) and muscle force were also improved following DN. No serious side effects were reported. CONCLUSION DN may be safe and effective at relieving hip pain and improving hip function. DN performs significantly better than several different types of control intervention (including sham DN, no treatment, corticosteroid injections and laser). Strong evidence (high degree of certainty around the results) is lacking, and future studies should ideally use longer follow-up periods and larger sample sizes. REVIEW REGISTRATION NUMBER CRD42022297845 (PROSPERO).
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Affiliation(s)
- Bijan Forogh
- Neuromusculoskeletal Research Center, Department of Physical Medicine and Rehabilitation, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Amirhossein Ghaseminejad Raeini
- Surgical Research Society, Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Roham Jebeli Fard
- Surgical Research Society, Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Peyman Mirghaderi
- Surgical Research Society, Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
- Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Amin Nakhostin-Ansari
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Noureddin Nakhostin-Ansari
- Research Center for War-Affected People, Tehran University of Medical Sciences, Tehran, Iran
- Physiotherapy Department, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Bahari
- Neuromusculoskeletal Research Center, Department of Physical Medicine and Rehabilitation, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amir Human Hoveidaei
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
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Palaniappan R, Harris MD, Steger-May K, Bove AM, Fitzgerald GK, Clohisy JC, Harris-Hayes M. Comparison Between Movement Pattern Training and Strengthening on Kinematics and Kinetics in Patients With Chronic Hip-Related Groin Pain. J Appl Biomech 2024; 40:91-97. [PMID: 37939703 DOI: 10.1123/jab.2022-0304] [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: 12/07/2022] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 11/10/2023]
Abstract
The purpose of this study was to compare the preliminary effects of movement pattern training (MoveTrain) versus strengthening/flexibility (standard) treatment on hip and pelvic biomechanics in patients with chronic hip-related groin pain. This is a secondary analysis of data collected during a pilot randomized clinical trial. Thirty patients with hip pain, between the ages of 15 and 40 years, were randomized to MoveTrain or standard. Both groups completed 10 treatment sessions over 12 weeks along with a daily home exercise program. Three-dimensional motion analysis was used to collect kinematic and kinetic data of the pelvis and hip during a single-leg squat task at pretreatment and immediately posttreatment. Compared with the standard group, the MoveTrain group demonstrated smaller hip adduction angles (P = .006) and smaller hip external adduction moments (P = .008) at posttreatment. The desired changes to hip joint biomechanics, as found in this study, may require specificity in training that could allow health care professionals to better customize the rehabilitation of patients with hip pain. These findings can also be applied to the design and implementation of future clinical trials to strengthen our understanding of the long-term implications of different rehabilitation techniques for patients with hip pain.
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Affiliation(s)
- Ramya Palaniappan
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO, USA
| | - Michael D Harris
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO, USA
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA
- Department of Mechanical Engineering and Materials Science, Washington University School of Medicine, St. Louis, MO, USA
| | - Karen Steger-May
- Division of Biostatistics, Washington University School of Medicine, St. Louis, MO, USA
| | - Allyn M Bove
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - G Kelley Fitzgerald
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - John C Clohisy
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Marcie Harris-Hayes
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO, USA
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA
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10
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Matsumoto H, Tokushige S, Takei Y, Uyama Y, Mura M, Hitomi G. [The Need for Lens Radiation Protection for Healthcare Provider in Open and Internal Fixation of the Hip Joint]. Nihon Hoshasen Gijutsu Gakkai Zasshi 2024; 80:287-295. [PMID: 38296460 DOI: 10.6009/jjrt.2024-1422] [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] [Indexed: 03/22/2024]
Abstract
Increased occupational exposure of radiation workers is a major problem during open reduction and internal fixation (ORIF) of the hip joint, as the surgeon's eye lens is in close proximity to the patient and the X-ray tube. The purposes of this study were to clarify the occupational exposure of radiation workers during ORIF of the hip joint and to examine the need for radiation protection measures. The radiation exposure of radiation workers was evaluated by making an airborne dose distribution map using phantom experiments. The radiation goggles attached with a small optically stimulated luminescence dosimeter were used in clinical practice to measure the lens dose received by the surgeon, and the necessity of radiation goggles was examined. The airborne dose distribution in ORIF of the hip joint showed a wider area of high dose rate during axial fluoroscopy of the femoral neck than during posterior-anterior fluoroscopy. In axial fluoroscopy of the femoral neck, the surgeon was always in the high dose rate range of 10 µGy/min or higher, the nurses were in the dose rate range of 4 to 10 µGy/min, and the radiologic technologists were in the dose rate range of 0.5 µGy/min or lower. The maximum 3 mm dose equivalent to the surgeon per case was 0.38 mSv. In contradiction, radiation goggles were useful in ORIF because they provided approximately 60% shielding. It is advisable to work with radiation goggles to avoid cataracts.
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Affiliation(s)
- Hiroki Matsumoto
- Department of Radiological Technology, Kawasaki Medical School Hospital
| | - Shoya Tokushige
- Department of Radiological Technology, Kawasaki Medical School Hospital
| | - Yasutaka Takei
- Department of Radiological Technology, Kawasaki University of Medical Welfare
| | - Yuji Uyama
- Department of Radiological Technology, Kawasaki Medical School Hospital
| | - Masakatsu Mura
- Department of Radiological Technology, Kawasaki Medical School Hospital
| | - Go Hitomi
- Department of Radiological Technology, Kawasaki Medical School Hospital
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11
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骆 聪, 董 一, 袁 强, 张 宁, 张 颖. [Correlation analysis between combined deflection angle and osteonecrosis of femoral head after femoral neck fracture]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2024; 38:298-302. [PMID: 38500422 PMCID: PMC10982032 DOI: 10.7507/1002-1892.202311094] [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] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 03/20/2024]
Abstract
Objective To evaluate the correlation between pelvic incidence (PI) angle, hip deflection angle (HDA), combined deflection angle (CDA) and osteonecrosis of the femoral head (ONFH) after femoral neck fracture, in order to explore early predictive indicators for ONFH occurrence after femoral neck fracture. Methods A study was conducted on patients with femoral neck fractures who underwent cannulated screw internal fixation between December 2018 and December 2020. Among them, 208 patients met the selection criteria and were included in the study. According to the occurrence of ONFH, the patients were allocated into ONFH group and non-NOFH group. PI, HDA, and CDA were measured based on the anteroposterior X-ray films of pelvis and axial X-ray films of the affected hip joint before operation, and the differences between the two groups were compared. The receiver operating characteristic curve (ROC) was used to evaluate the value of the above imaging indicators in predicting the occurrence of ONFH. Results Among the 208 patients included in the study, 84 patients experienced ONFH during follow-up (ONFH group) and 124 patients did not experience ONFH (non-ONFH group). In the non-ONFH group, there were 59 males and 65 females, the age was 18-86 years (mean, 53.9 years), and the follow-up time was 18-50 months (mean, 33.2 months). In the ONFH group, there were 37 males and 47 females, the age was 18-76 years (mean, 51.6 years), and the follow-up time was 8-45 months (mean, 22.1 months). The PI, HDA, and CDA were significantly larger in the ONFH group than in the non-ONFH group ( P<0.05). ROC curve analysis showed that the critical value of PI was 19.82° (sensitivity of 40.5%, specificity of 86.3%, P<0.05); the critical value of HDA was 20.94° (sensitivity of 77.4%, specificity of 75.8%, P<0.05); and the critical value of CDA was 39.16° (sensitivity of 89.3%, specificity of 83.1%, P<0.05). Conclusion There is a correlation between PI, HDA, CDA and the occurrence of ONFH after femoral neck fracture, in which CDA can be used as an important reference indicator. Patients with CDA≥39.16° have a higher risk of ONFH after femoral neck fracture.
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Affiliation(s)
- 聪聪 骆
- 河南中医药大学研究生院(郑州 450046)Graduate School of Henan University of Traditional Chinese Medicine, Zhengzhou Henan, 450046, P. R. China
| | - 一平 董
- 河南中医药大学研究生院(郑州 450046)Graduate School of Henan University of Traditional Chinese Medicine, Zhengzhou Henan, 450046, P. R. China
| | - 强 袁
- 河南中医药大学研究生院(郑州 450046)Graduate School of Henan University of Traditional Chinese Medicine, Zhengzhou Henan, 450046, P. R. China
| | - 宁 张
- 河南中医药大学研究生院(郑州 450046)Graduate School of Henan University of Traditional Chinese Medicine, Zhengzhou Henan, 450046, P. R. China
| | - 颖 张
- 河南中医药大学研究生院(郑州 450046)Graduate School of Henan University of Traditional Chinese Medicine, Zhengzhou Henan, 450046, P. R. China
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12
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Copeland I, Pew C, Graham DF. Combined musculoskeletal finite element modeling of femur stress during reactive balance training. J Biomech 2024; 166:112062. [PMID: 38555779 DOI: 10.1016/j.jbiomech.2024.112062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 03/20/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024]
Abstract
The purpose of this study was to determine the material stresses experienced in the femoral neck during the stepping phase of recovery from a forward loss of balance achieved both using release from a static forward lean and rapid treadmill accelerations in 8 older adults. A scalable musculoskeletal model with 23 degrees of freedom and 92 force actuators was used to calculate joint reaction forces. A finite element model of the femur used joint reaction forces calculated by the musculoskeletal model to calculate the material stresses during stepping. Balance recovery from a static forward lean angle had a greater joint contact force and greater maximum tensile stress than a recovery from treadmill induced perturbations both before and after a training session. Hip joint contact loads were found to be large in magnitude, however, all stresses experienced by the bone are less than critical yield stresses for trabecular bone. We suggest that stepping balance recovery is safe for older adults with no obvious loss of bone density or strength and that analyses such as finite element analysis are necessary to understand stresses in the material at the joint level.
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Affiliation(s)
- Isaac Copeland
- Montana State University, College of Education, Health & Human Development, Bozeman, MT 59717-2940, USA; Montana State University, College of Engineering, Bozeman, MT 59717-2940, USA.
| | - Corey Pew
- Montana State University, College of Engineering, Bozeman, MT 59717-2940, USA.
| | - David F Graham
- Montana State University, College of Education, Health & Human Development, Bozeman, MT 59717-2940, USA; Griffith University, School of Health Sciences and Social Work, Gold Coast, QLD 4222, Australia.
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13
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Gonçalves BAM, Saxby DJ, Meinders E, Barrett RS, Diamond LE. Hip Contact Forces During Sprinting in Femoroacetabular Impingement Syndrome. Med Sci Sports Exerc 2024; 56:402-410. [PMID: 37882088 DOI: 10.1249/mss.0000000000003320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
PURPOSE Sprinting often provokes hip pain in individuals with femoroacetabular impingement syndrome (FAIS). Asphericity of the femoral head-neck junction (cam morphology) characteristic of FAIS can increase the risk of anterior-superior acetabular cartilage damage. This study aimed to 1) compare hip contact forces (magnitude and direction) during sprinting between individuals with FAIS, asymptomatic cam morphology (CAM), and controls without cam morphology, and 2) identify the phases of sprinting with high levels of anteriorly directed hip contact forces. METHODS Forty-six recreationally active individuals with comparable levels of physical activity were divided into three groups (FAIS, 14; CAM, 15; control, 17) based on their history of hip/groin pain, results of clinical impingement tests, and presence of cam morphology (alpha angle >55°). Three-dimensional marker trajectories, ground reaction forces, and electromyograms from 12 lower-limb muscles were recorded during 10-m overground sprinting trials. A linearly scaled electromyogram-informed neuromusculoskeletal model was used to calculate hip contact force magnitude (resultant, anterior-posterior, inferior-superior, medio-lateral) and angle (sagittal and frontal planes). Between-group comparisons were made using two-sample t -tests via statistical parametric mapping ( P < 0.05). RESULTS No significant differences in magnitude or direction of hip contact forces were observed between FAIS and CAM or between FAIS and control groups during any phase of the sprint cycle. The highest anteriorly directed hip contact forces were observed during the initial swing phase of the sprint cycle. CONCLUSIONS Hip contact forces during sprinting do not differentiate recreationally active individuals with FAIS from asymptomatic individuals with and without cam morphology. Hip loading during early swing, where peak anterior loading occurs, may be a potential mechanism for cartilage damage during sprinting-related sports in individuals with FAIS and/or asymptomatic cam morphology.
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14
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Loewen AM, Morris WZ, Ulman S, Tulchin-Francis K, Sucato DJ, Podeszwa DA, Ellis HB. Pre-operative gait kinematics and kinetics do not change following surgery in adolescent patients with femoroacetabular impingement. Gait Posture 2024; 109:213-219. [PMID: 38359697 DOI: 10.1016/j.gaitpost.2024.02.006] [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: 03/01/2023] [Revised: 12/21/2023] [Accepted: 02/05/2024] [Indexed: 02/17/2024]
Abstract
BACKGROUND Femoroacetabular impingement (FAI) is a condition where the femoral head-neck junction collides with the acetabulum. Open or arthroscopic treatment of FAI aims to increase hip motion while reducing impingement during passive or dynamic movements. RESEARCH QUESTION What are the biomechanical characteristics of the hip and pelvis in adolescents and young adults diagnosed with FAI syndrome 1) pre-operatively compared to controls and 2) pre- to post-operatively? METHODS 43 patients with FAI and 43 controls were included in the study. All patients with FAI had cam deformities and underwent unilateral hip preservation surgery (either open or arthroscopic). Pre- and post-operative imaging, patient-reported outcomes, and gait analysis were performed. Joint angles and internal joint moments were evaluated with an emphasis on the pelvis and hip. A comparative analysis was conducted to evaluate the gait patterns before and after surgical treatment, as well as to compare pre-operative gait patterns to a control group. RESULTS 43 patients with FAI (28 female, 16.5 ± 1.5 yrs) and 43 controls (28 female, 16.0 ± 1.5 yrs) were included. Pre-operative patients with FAI had decreased stride length and walking speed compared to controls, with no significant change following surgery. There were no differences in sagittal and coronal plane hip and pelvis kinematics comparing pre- to post-operative and pre-operative to controls. Pre-operatively, differences in internal hip rotation angle (pre: 3.3˚, post: 3.9˚, controls: 7.7˚) and hip extensor moment (pre: 0.121, post: 0.090, controls: 0.334 Nm/kg) were observed compared to controls with no significant changes observed following surgery. SIGNIFICANCE Compensatory movement strategies in pelvic and hip motion are evident during gait in patients with FAI, particularly in the sagittal and transverse planes. These strategies remained consistent two years post-surgery. While surgery improved radiographic measures and patient-reported outcomes, gait did not elicit biomechanical changes following surgical treatment.
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Affiliation(s)
| | - William Z Morris
- Scottish Rite for Children, Dallas, TX, USA; University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Sophia Ulman
- Scottish Rite for Children, Dallas, TX, USA; University of Texas Southwestern Medical Center, Dallas, TX, USA
| | | | - Dan J Sucato
- Scottish Rite for Children, Dallas, TX, USA; University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - David A Podeszwa
- Scottish Rite for Children, Dallas, TX, USA; University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Henry B Ellis
- Scottish Rite for Children, Dallas, TX, USA; University of Texas Southwestern Medical Center, Dallas, TX, USA
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15
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Chai X, Liu H, Zhou M, Li S. Total hip arthroplasty for a patient with ochronotic arthritis: A relatively rare clinical case. Asian J Surg 2024; 47:1475-1476. [PMID: 38065730 DOI: 10.1016/j.asjsur.2023.11.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 11/24/2023] [Indexed: 03/13/2024] Open
Affiliation(s)
- Xiping Chai
- Clinical College of Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu Province, China; Department of Orthopedics, Gansu Provincial Hospital of Chinese Medicine, Lanzhou, 730050, Gansu Province, China
| | - Haiping Liu
- Department of Orthopedics, Gansu Provincial Hospital of Chinese Medicine, Lanzhou, 730050, Gansu Province, China
| | - Mingwang Zhou
- Department of Orthopedics, Gansu Provincial Hospital of Chinese Medicine, Lanzhou, 730050, Gansu Province, China
| | - Shenghua Li
- Department of Orthopedics, Gansu Provincial Hospital of Chinese Medicine, Lanzhou, 730050, Gansu Province, China.
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Kraeutler MJ, Garabekyan T, Mei-Dan O. We Need Better Classification of Patients With Borderline Hip Dysplasia: Shifting the Focus From Dysplasia to Instability. Arthroscopy 2024; 40:653-654. [PMID: 38206250 DOI: 10.1016/j.arthro.2023.10.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 10/12/2023] [Indexed: 01/12/2024]
Affiliation(s)
- Matthew J Kraeutler
- Department of Orthopedics, University of Colorado School of Medicine, Aurora, Colorado, U.S.A
| | | | - Omer Mei-Dan
- Department of Orthopedics, University of Colorado School of Medicine, Boulder, Colorado, U.S.A
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17
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Chiu LZF. "Knees Out" or "Knees In"? Volitional Lateral vs. Medial Hip Rotation During Barbell Squats. J Strength Cond Res 2024; 38:435-443. [PMID: 38416444 DOI: 10.1519/jsc.0000000000004655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
ABSTRACT Chiu, LZF. "Knees out" or "Knees in"? Volitional lateral versus medial hip rotation during barbell squats. J Strength Cond Res 38(3): 435-443, 2024-Medial or lateral hip rotation may be present during barbell squats, which could affect the hip frontal and transverse plane moments. Male (n = 14) and female (n = 18) subjects performed squats using their normal technique and with volitional medial and lateral hip rotation. Hip net joint moments (NJM) were calculated from 3-dimensional motion capture and force platform measurements. Statistical significance was set for omnibus tests (α = 0.05) and Bonferroni's corrected for pairwise comparisons (αt-test = 0.0056). Normal squats required hip extensor, adductor, and lateral rotator NJM. Lateral rotation squats had smaller hip extensor (p = 0.002) and lateral rotator (p < 0.001) NJM and larger hip adductor (p < 0.001) NJM than normal squats. Medial rotation squats had smaller hip extensor (p = 0.002) and adductor (p < 0.001) NJM and larger hip lateral rotator (p < 0.001) NJM than normal squats. These differences exceeded the minimum effects worth detecting. As gluteus maximus exerts hip extensor and lateral rotator moments, and the adductor magnus exerts hip extensor and adductor moments, these muscles combined would be required to meet these hip demands, supporting previous research that has established these muscles as the primary contributors to the hip extensor NJM. Lateral rotation squats reduce hip lateral rotator and increase hip adductor NJM, which may be hypothesized as preferentially loading adductor magnus. Medial rotation squats increase hip lateral rotator and decrease hip adductor NJM; therefore, this variant may shift loading to the gluteus maximus.
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Affiliation(s)
- Loren Z F Chiu
- Neuromusculoskeletal Mechanics Research Program, Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada
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18
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Li Y, Qiu Y, Huang C, Yang X. Hip revision surgery was performed after the hip prosthesis was damaged: A case report and literature review. Asian J Surg 2024; 47:1552-1554. [PMID: 38102006 DOI: 10.1016/j.asjsur.2023.12.007] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 12/01/2023] [Indexed: 12/17/2023] Open
Affiliation(s)
- Yupeng Li
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China; Department of Orthopedics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Yuqin Qiu
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China; Department of Orthopedics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Chongxin Huang
- Department of Orthopedics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Xiao Yang
- Department of Orthopedics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China.
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Zushi A, Zushi K, Yoshida T. Effects of progressive weight addition using vests on rebound jump. J Sports Med Phys Fitness 2024; 64:248-254. [PMID: 37955933 DOI: 10.23736/s0022-4707.23.15468-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
BACKGROUND Rebound jump (RJ) is an exercise that is as short contact time and high as possible and is used to improve lower limb stretch-shortening cycle movements. This study examined the effects of RJ performance and lower limb joint kinetics when weight was incrementally added using a weighted vest. METHODS Eleven male athletes (mean±standard deviation: age, 21.9±1.6 years; height, 176.3±5.5 cm; weight, 67.8±4.2 kg) performed RJ at 0% (no load), 5%, 9%, 12%, 15%, 18%, and 21% added weight. Body coordinates and ground reaction force were measured, and RJ index (jump height / contact time) and joint kinetics (joint torque, power, and work) were calculated. RESULTS One-way Analysis of Variance showed that the RJ was significantly reduced starting from 12% (P<0.01), the jump height was significantly decreased starting from 12% (P<0.01), and the contact time was significantly increased only at 21% (P<0.01) compared with 0%. The negative peak power of the ankle joint decreased by 21% of the added weight (P<0.01). The main effects of body weight on the peak torque at the knee and hip joints and the positive peak power at the knee joint were observed. CONCLUSIONS RJ with increasing weight tended to decrease jump height first, rather than longer contact time. However, it was suggested that there is an appropriate range of added weights that can be trained without decreasing the RJ index.
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Affiliation(s)
- Amane Zushi
- Japan Institute of Sports Sciences, Tokyo, Japan -
| | - Kodayu Zushi
- Faculty of Economics, University of Shiga, Shiga, Japan
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Park JH, Madigan ML, Kim S, Nussbaum MA, Srinivasan D. Wearing a back-support exoskeleton alters lower-limb joint kinetics during single-step recovery following a forward loss of balance. J Biomech 2024; 166:112069. [PMID: 38579560 DOI: 10.1016/j.jbiomech.2024.112069] [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: 06/21/2023] [Revised: 03/04/2024] [Accepted: 03/30/2024] [Indexed: 04/07/2024]
Abstract
We assessed the effects of a passive, back-support exoskeleton (BSE) on lower-limb joint kinetics during the initiation and swing phases of recovery from a forward loss of balance. Sixteen (8M, 8F) young, healthy participants were released from static forward-leaning postures and attempted to recover their balance with a single-step while wearing a BSE (backXTM) with different levels of support torque and in a control condition. The BSE provided ∼ 15-20 Nm of external hip extension torque on the stepping leg at the end of initiation and beginning of swing phases. Participants were unable to generate sufficient hip flexion torque, power, and work to counteract this external torque, although they sustained hip flexion torque for a more prolonged period, resulting in slightly increased hip contribution to positive leg work (compared to control). However, net positive leg work, and the net contribution of hip joint (human + BSE) to total leg work decreased with BSE use. While all participants had changes in hip joint kinetics, a significant compensatory increase in ankle contribution to positive leg work was observed only among females. Our results suggest that BSE use adversely affects reactive stepping by decreasing the stepping leg kinetic energy for forward propulsion, and that the relative contributions of lower-limb joints to total mechanical work done during balance recovery are altered by BSE use. BSEs may thus need to be implemented with caution for dynamic tasks in occupational settings, as they may impair balance recovery following a forward loss of balance.
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Affiliation(s)
- Jang-Ho Park
- Department of Industrial Engineering, Clemson University, Clemson, SC 29634, USA
| | - Michael L Madigan
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Sunwook Kim
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Maury A Nussbaum
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Divya Srinivasan
- Department of Industrial Engineering, Clemson University, Clemson, SC 29634, USA.
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Arriaza R, Saavedra-García M, Arriaza A, Cruz-Cámara A, Leyes M, Cerezal L, Maestro A. Prevalence of hip femoroacetabular impingement deformities in high-level (La Liga) male professional football players. BMC Musculoskelet Disord 2024; 25:166. [PMID: 38383359 PMCID: PMC10880309 DOI: 10.1186/s12891-024-07247-x] [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: 10/19/2023] [Accepted: 02/01/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND Femoroacetabular impingement (FAI) is considered one of the main causes of hip osteoarthritis in young adults, especially in athletes. In recent years, morphological changes in FAI in the hip have been linked to early and intense sports participation, but studying top-level athlete samples is not easy. This paper presents the prevalence of FAI radiological markers in 120 active white male professional football players in the Spanish First Division League (La Liga) and compares the morphological changes with those of a control group of healthy individuals without significant sport activity. METHODS The precontract medical evaluation hip X-rays of 120 white male professional football players from four different First Division Spanish football teams were prospectively filed and retrospectively reviewed by a dedicated skeletal radiologist. The footballers' hip X-rays were compared with those of a control group of 80 healthy individuals (age-sex matched) without significant sport activity (obtained from routine work medical checks). RESULTS The femoral head-neck deformity associated with the Cam type of femoroacetabular impingement was observed in 61.6% of professional football players and only in 11.6% of the control group (p <0.01). The presence of "herniation pit" (11.6%) and os acetabuli (13.3%) also reached statistical significance in the professional football players group. In the other analyzed parameters, no statistically significant differences between the groups were observed. CONCLUSIONS White professional top-level football players have an increased incidence of abnormal lateral epiphyseal extension ("pistol grip deformity"), os acetabuli and herniation pits.
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Affiliation(s)
- Rafael Arriaza
- Instituto Médico Arriaza y Asociados, A Coruña, Spain.
- Grupo INCIDE-Universidade da Coruña, A Coruña, Spain.
| | | | - Alvaro Arriaza
- Instituto Médico Arriaza y Asociados, A Coruña, Spain
- Centro Traumatólogos Santander, Cantabria, Spain
| | | | | | - Luis Cerezal
- Centro Diagnóstico Médico Cantabria, Santander, Spain
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Gamal S, Mikhail M, Salem N, El-Wakad MT, Abdelbaset R. Effect of using nano-particles of magnesium oxide and titanium dioxide to enhance physical and mechanical properties of hip joint bone cement. Sci Rep 2024; 14:2838. [PMID: 38310142 PMCID: PMC10838278 DOI: 10.1038/s41598-024-53084-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 01/27/2024] [Indexed: 02/05/2024] Open
Abstract
In this work, the effect of adding Magnesium Oxide (MgO) and Titanium Dioxide (TiO2) nanoparticles to enhance the properties of the bone cement used for hip prosthesis fixation. Related to previous work on enhanced bone cement properties utilizing MgO and TiO2, samples of composite bone cement were made using three different ratios (0.5%:1%, 1.5%:1.5%, and 1%:0.5%) w/w of MgO and TiO2 to determine the optimal enhancement ratio. Hardness, compression, and bending tests were calculated to check the mechanical properties of pure and composite bone cement. The surface structure was studied using Fourier transform infrared spectroscopy (FTIR) and Field emission scanning electron microscopy (FE-SEM). Setting temperature, porosity, and degradation were calculated for each specimen ratio to check values matched with the standard range of bone cement. The results demonstrate a slight decrease in porosity up to 2.2% and degradation up to 0.17% with NP-containing composites, as well as acceptable variations in FTIR and setting temperature. The compression strength increased by 2.8% and hardness strength increased by 1.89% on adding 0.5%w/w of MgO and 1.5%w/w TiO2 NPs. Bending strength increases by 0.35% on adding 1.5% w/w of MgO and 0.5% w/w TiO2 NPs, however, SEM scan shows remarkable improvement for surface structure.
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Affiliation(s)
- Safaa Gamal
- Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.
- Mechatronics Engineering Department, Canadian International Collage, Cairo, Egypt.
| | - Mina Mikhail
- Mechatronics Engineering Department, Canadian International Collage, Cairo, Egypt
| | - Nancy Salem
- Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt
| | - Mohamed Tarek El-Wakad
- Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt
- Biomedical Engineering Department, Faculty of Engineering and Technology, Future University, Cairo, Egypt
| | - Reda Abdelbaset
- Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt
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Akcaalan S, Akcan G, Tufan AC, Caglar C, Akcaalan Y, Akkaya M, Dogan M. Is tranexamic acid safe for the hip joint? Naunyn Schmiedebergs Arch Pharmacol 2024; 397:1197-1207. [PMID: 37644283 DOI: 10.1007/s00210-023-02693-1] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/24/2023] [Indexed: 08/31/2023]
Abstract
To show the effects of tranexamic acid, which is a drug frequently used to control bleeding, on the hip joint and sciatic nerve in animal experiments. There were 15 rats in each of the 3 groups, with a total of 45 rats. Topical saline injections were applied to the first group, topical TXA injections to the second group, and intravenous (IV) TXA injections to the third group. In the samples taken from the hip joint 3 weeks later, femoral head cartilage, sciatic nerve, and joint capsule thicknesses were analyzed histologically. Statistically significantly more cartilage degradation was detected in the femoral head cartilage in both the IV and intraarticular TXA group when compared to the control group. The groups were also compared in terms of acetabular cartilage; however, no histological difference was found between the groups. It was seen that when the femoral head cartilage thickness (the average of the measurements made from 3 different points were used) was examined, the cartilage thickness in the topical TXA group was less when compared to the other 2 groups. However, this difference was determined to not be statistically significant. The data of the hip joint capsule thickness measurement, it was found that the capsule thickness in the topical TXA applied group was less when compared to the other 2 groups. However, this difference was not statistically significant. When the sciatic nerves in all 3 groups were compared, no different staining characteristics were found in the immunofluorescence examination. TXA, which is frequently used in orthopedic practice, shows negative effects on hip joint cartilage in both topical and intravenous application.
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Affiliation(s)
- Serhat Akcaalan
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey.
| | - Gulben Akcan
- Department of Histology and Embryology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Ahmet Cevik Tufan
- Department of Histology and Embryology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Ceyhun Caglar
- Department of Orthopedics and Traumatology, Ankara City Hospital, 06800, Ankara, Turkey
| | | | - Mustafa Akkaya
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Metin Dogan
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
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Huber S, Santschi MXT, Schadow J, Leunig M, Ferguson SJ. Structure, composition and anisotropic swelling of the bovine acetabular labrum. J Mech Behav Biomed Mater 2024; 150:106333. [PMID: 38134586 DOI: 10.1016/j.jmbbm.2023.106333] [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: 01/29/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023]
Abstract
The fibro-cartilaginous labrum surrounds the acetabular rim and is important for hip joint stability and sealing. Sealing may be enhanced by swelling pressure within the normal labrum. Swelling of the degenerated or torn labrum might occur and potentially contribute to the development of osteoarthritis, through altered load transmission. This study aimed to characterize the three-dimensional swelling behaviour, the collagen fiber orientation and spatial proteoglycan distribution of the bovine acetabular labrum. Specimens were harvested from bovine donors (192-652 days, male, n = 6 donors). Structure was analyzed by scanning electron microscopy, histology, and dimethylmethylene blue assay. Specimen dimensions were measured before and after incubation in phosphate buffered saline to assess the swelling. Results showed that the articulating surface is composed of a collagen mesh network. Collagen fiber bundles showed a low degree of alignment close to the surface and were circumferentially aligned in the deep tissue. Proteoglycans were identified clustered between the collagen bundles. Glycosaminoglycan content was 10 x lower than that of cartilage (23.1 ± 6.4 compared to 299.5 ± 19.1 μg/mg dry weight) with minor regional differences. Specimens swelled significantly more in the orthogonal direction (swelling ratio 124.7 ± 10.2%) compared to the swelling parallel to the articulating surface (108.8 ± 6.1% and 102.8 ± 4.1%). In the deep tissue, swelling was also restricted in the main collagen fiber bundle direction (circumferentially), with a swelling ratio of 109.5 ± 4.0% in the main fiber bundle direction compared to 126.8 ± 7.3 % and 122.3 ± 5.8% radially. The findings demonstrate that the labrum shows anisotropic swelling properties, which reflect the anisotropy in the tissue structure and inter-fiber localisation of proteoglycans.
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Affiliation(s)
- Stephanie Huber
- ETH Zurich, Institute for Biomechanics, Zurich, Switzerland.
| | | | - Jemima Schadow
- ETH Zurich, Institute for Biomechanics, Zurich, Switzerland.
| | - Michael Leunig
- Schulthess Klinik, Department of Hip Surgery, Zurich, Switzerland.
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25
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Al'Khafaji I, Olszewski Y, Clarnette G, Settle E, Ernstbrunner L, O'Donnell J, Ackland D. The contribution of the ligamentum teres to the hip fluid seal: A biomechanics study. Clin Biomech (Bristol, Avon) 2024; 112:106186. [PMID: 38301536 DOI: 10.1016/j.clinbiomech.2024.106186] [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: 09/19/2023] [Revised: 12/19/2023] [Accepted: 01/22/2024] [Indexed: 02/03/2024]
Abstract
BACKGROUND The suction seal of the hip plays an important role in maintaining hip stability; however, the function of the ligamentum teres in maintaining this seal remains poorly understood. This study aimed to evaluate the effectiveness of the hip suction seal in ligamentum teres deficient hips for joint positions occurring during gait. METHODS Six fresh-frozen human cadaveric hips were dissected and mounted to an Instron materials test system. Each specimen was analyzed for average peak distraction force, stiffness, and total energy during hip displacement. Testing was performed in the native intact ligamentum teres state and the deficient ligamentum teres state. Specimens were examined in 20° of flexion, neutral, and 10° of extension. FINDINGS In the neutral position, the ligamentum teres deficient state displayed a significant decrease in peak distraction force (mean difference: 33.2 N, p < 0.001), average stiffness (mean difference: 63.7 N/mm, p = 0.016), and total energy (mean difference: 82.3 mJ, p = 0.022) compared to the intact controls. In extension, the deficient state exhibited a significant decrease in peak distraction force (mean difference: 42.8 N, p < 0.001) and total energy (mean difference: 72.9 mJ, p = 0.007). In flexion, the deficient state displayed a significant decrease in peak distraction force relative to contols (mean difference: 7.1 N, p = 0.003). INTERPRETATION The ligamentum teres plays a significant role in maintaining the suction seal of the hip, with its effect being most prominent when the hip is in neural alignment or in extension. The findings suggest that ligamentum teres deficiency may be a relevant treatment target in the clinical setting.
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Affiliation(s)
- Ian Al'Khafaji
- Department of Orthopaedics, Epworth Healthcare, Richmond, Victoria, Australia
| | - Yvonne Olszewski
- Department of Biomedical Engineering, University of Melbourne, Australia
| | - Georgina Clarnette
- Department of Biomedical Engineering, University of Melbourne, Australia
| | - Edward Settle
- Department of Biomedical Engineering, University of Melbourne, Australia
| | - Lukas Ernstbrunner
- Department of Biomedical Engineering, University of Melbourne, Australia; Department of Orthopaedic Surgery, Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - John O'Donnell
- Hip Arthroscopy Australia, Richmond, Victoria, Australia
| | - David Ackland
- Department of Biomedical Engineering, University of Melbourne, Australia.
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26
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Ricciardi BF. CORR Insights®: Can the Acetabular Labrum Be Reconstructed With a Meniscal Allograft? An In Vivo Pig Model. Clin Orthop Relat Res 2024; 482:399-401. [PMID: 37916979 PMCID: PMC10776152 DOI: 10.1097/corr.0000000000002908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 10/03/2023] [Indexed: 11/03/2023]
Affiliation(s)
- Benjamin F Ricciardi
- Department of Orthopaedic Surgery, Center for Musculoskeletal Research, University of Rochester School of Medicine, Rochester, NY, USA
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27
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Ochiai D. Editorial Commentary: Hip Range of Motion Is Greater in Women. Arthroscopy 2024; 40:513-514. [PMID: 38296449 DOI: 10.1016/j.arthro.2023.05.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 05/24/2023] [Indexed: 02/08/2024]
Abstract
Hip range of motion is greater in women. Notably, flexion and internal rotation are significantly greater in women than men. Having a sense of normal variances between female and male range of motion characteristics can help clinicians better identify pathologic findings, which can lead to more prompt treatment for our patients and has implications for injury prevention and activity modification recommendations. A broader understanding of differences between men and women can help with not only treating individual patients but treating large populations of patients.
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28
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Sato T, Iida K, Ohkawa T, Fukui T. Relationship between ankle-foot-complex mobility during static loading and frontal moment impulses of knee and hip joints during the stance phase. Gait Posture 2024; 108:301-306. [PMID: 38181482 DOI: 10.1016/j.gaitpost.2023.12.017] [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: 06/13/2023] [Revised: 11/08/2023] [Accepted: 12/20/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Ankle-foot-complex mobility impairments, which can be assessed by the difference between the sitting and standing positions, are related to an increase in the load on the knee and hip joints during the stance phase of the gait. RESEARCH QUESTION What is the relationship between the ankle-foot-complex mobility during static weight bearing and the mechanical stresses on the knee and hip joints throughout the stance phase? METHODS Ankle-foot-complex mobility and gait data were collected from 26 healthy adults. The complex mobility was established by comparing the foot indices, measured using a three-dimensional foot scanner, in sitting and standing positions. The gait data were acquired using eight cameras (recording at 100 Hz) and three force plates (recording at 1000 Hz). Stance phase data were collected via ground reaction forces. The stance phase was dissected into shock absorption and propulsion phases, during which the external knee and hip adduction moment impulses (KAMi, HAMi) were recorded. The correlation between the ankle-foot-complex mobility during static weight bearing and KAMi and HAMi during the stance phase was examined using Pearson's product-moment correlation coefficients. RESULTS This study revealed that KAMi correlated with medial malleolus mobility (r = -0.44) throughout the stance phase. Furthermore, in the propulsive phase, KAMi correlated with calcaneus (r = 0.51) and navicular (r = -0.50) mobilities, whereas HAMi correlated with calcaneus mobility (r = -0.40). SIGNIFICANCE The study provides insights into the relationship between the static mobility of the ankle-foot complex in healthy individuals and mechanical stress during the stance phase. Calcaneus and navicular mobilities were related to efficient push-off in the propulsive phase. Medial malleolus mobility was related to the control of the lateral tilt of the lower limb and ankle dorsiflexion motion throughout the stance phase.
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Affiliation(s)
- Toshihiko Sato
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan.
| | - Kai Iida
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan
| | - Takahiro Ohkawa
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan
| | - Tsutomu Fukui
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan; Health Care Science, Graduate School, Bunkyo Gakuin University, 1-19-1 Mukogaoka, Bunkyo-ku, Tokyo 113-8668, Japan
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29
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Goodman W, Flores V, Cotter JA, Graham D, Becker J. Support moment distribution during the back squat at different depths and loads in recreationally trained females. J Sci Med Sport 2024; 27:119-124. [PMID: 38036316 DOI: 10.1016/j.jsams.2023.11.001] [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: 06/28/2023] [Revised: 09/20/2023] [Accepted: 11/01/2023] [Indexed: 12/02/2023]
Abstract
OBJECTIVES The squat is used in athletic and clinical settings. However, the coordination of the lower extremity during the lift is not well understood. The purpose was to compare the peak moments of the lower extremity joints at three squat depths (above parallel, parallel and full) and three squat loads (unloaded, 50 % 1 repetition maximum, and 85 % of depth specific 1 repetition maximum) and find their contribution to support (Ms). DESIGN Nineteen females performed squats in a randomized order. METHODS Inverse dynamics and Winter's Ms equation were used to calculate peak moments of the hip, knee and ankle and calculate their contribution to Ms (α < 0.05). RESULTS Peak hip and ankle extensor moments varied with load but not depth and were greatest when using 85 % 1 repetition maximum. Peak knee extensor moments demonstrated a depth by load interaction. Within each depth as load increased so too did peak knee extensor moments and were highest squatting below parallel when loaded. The hip and knee contribution to Ms demonstrated a depth by load interaction while the ankle was only influenced by load. Within each depth as load increased hip contribution increased whereas the knee decreased contribution. When squatting with load the contribution of the hip decreased at below parallel while the knee increased. CONCLUSIONS To maximize peak hip moments squat with high load and to maximize peak knee moments squat deep with high load; however, depth and load dosages should be taken into consideration based on the status and goals of the individual.
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Affiliation(s)
- William Goodman
- Department of Food Systems, Nutrition, & Kinesiology, Montana State University, USA.
| | - Victoria Flores
- Department of Kinesiology and Nutrition, University of Illinois Chicago, USA
| | - Joshua A Cotter
- Department of Kinesiology, California State University, Long Beach, USA
| | - David Graham
- School of Health Sciences and Social Work, Griffith University Gold Coast, AU
| | - James Becker
- Department of Food Systems, Nutrition, & Kinesiology, Montana State University, USA
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30
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Jenkinson MRJ, Cheung TCC, Witt J, Hutt JRB. Acetabular retroversion: functional or anatomical? Bone Joint J 2024; 106-B:128-135. [PMID: 38295849 DOI: 10.1302/0301-620x.106b2.bjj-2023-0706.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Aims The aim of this study is to evaluate whether acetabular retroversion (AR) represents a structural anatomical abnormality of the pelvis or is a functional phenomenon of pelvic positioning in the sagittal plane, and to what extent the changes that result from patient-specific functional position affect the extent of AR. Methods A comparative radiological study of 19 patients (38 hips) with AR were compared with a control group of 30 asymptomatic patients (60 hips). CT scans were corrected for rotation in the axial and coronal planes, and the sagittal plane was then aligned to the anterior pelvic plane. External rotation of the hemipelvis was assessed using the superior iliac wing and inferior iliac wing angles as well as quadrilateral plate angles, and correlated with cranial and central acetabular version. Sagittal anatomical parameters were also measured and correlated to version measurements. In 12 AR patients (24 hips), the axial measurements were repeated after matching sagittal pelvic rotation with standing and supine anteroposterior radiographs. Results Acetabular version was significantly lower and measurements of external rotation of the hemipelvis were significantly increased in the AR group compared to the control group. The AR group also had increased evidence of anterior projection of the iliac wing in the sagittal plane. The acetabular orientation angles were more retroverted in the supine compared to standing position, and the change in acetabular version correlated with the change in sagittal pelvic tilt. An anterior pelvic tilt of 1° correlated with 1.02° of increased cranial retroversion and 0.76° of increased central retroversion. Conclusion This study has demonstrated that patients with symptomatic AR have both an externally rotated hemipelvis and increased anterior projection of the iliac wing compared to a control group of asymptomatic patients. Functional sagittal pelvic positioning was also found to affect AR in symptomatic patients: the acetabulum was more retroverted in the supine position compared to standing position. Changes in acetabular version correlate with the change in sagittal pelvic tilt. These findings should be taken into account by surgeons when planning acetabular correction for AR with periacetabular osteotomy.
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Affiliation(s)
| | | | - Johan Witt
- University College London Hospital, London, UK
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31
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Freiberger C, Thomas CM, Lupica GM, O'Connell S, Stamm MA, Mulcahey MK. Hip Range of Motion During Passive and 1-Leg Exercises Is Greater in Women: A Meta-analysis and Systematic Review. Arthroscopy 2024; 40:495-512.e3. [PMID: 37116553 DOI: 10.1016/j.arthro.2023.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 04/07/2023] [Accepted: 04/08/2023] [Indexed: 04/30/2023]
Abstract
PURPOSE To summarize sex-related differences in hip range of motion (ROM), including flexion, extension, abduction, adduction, internal rotation, and external rotation. METHODS We performed a systematic search of 3 databases (PubMed, CINAHL [Cumulative Index to Nursing and Allied Health Literature], and Embase). The search terms were as follows: hip, pelvis, range of motion, kinematic, men, and women. Included studies reported sex-specific data on hip ROM in healthy, uninjured adults. To generate hip ROM mean differences, a DerSimonian-Laird random-effects model was used. Effect sizes were pooled for each exercise. Subgroup analyses compared hip ROM by physical activity group: passive ROM, 1-leg hop or jump, 2-leg hop or jump, 2-leg drop or landing, 1-leg squat, 2-leg squat, walking, and jogging/running. Positive effect sizes represent greater ROM in women. RESULTS Thirty-eight studies with 3,234 total subjects were included; of these subjects, 1,639 were women (50.1%). The mean age was 25.3 years. An effect difference was considered statistically significant if P < .05 and clinically significant if the mean difference was greater than 4.0°. Women showed statistically and clinically significantly greater hip flexion in passive ROM (mean difference, 6.4°) and during the 1-leg hop or jump exercise (mean difference, 6.5°). Women also showed statistically and clinically significantly greater hip adduction during the 1-leg hop or jump (mean difference, 4.5°) and 1-leg squat (mean difference, 4.4°) exercises, as well as statistically and clinically significantly greater hip internal rotation in passive ROM (mean difference, 8.2°). In contrast, men showed statistically and clinically significantly greater flexion during the 2-leg hop or jump exercise (mean difference, -9.1°). No clinically significant differences in extension, abduction, or external rotation were found between women and men. CONCLUSIONS On average, women showed statistically and clinically significantly greater flexion, adduction, and internal rotation during passive and 1-leg exercises whereas men showed statistically and clinically significantly greater flexion during the 2-leg hop or jump exercise. LEVEL OF EVIDENCE Level IV, meta-analysis and systematic review of Level II-IV studies.
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Affiliation(s)
- Christina Freiberger
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana, U.S.A
| | - Christina M Thomas
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana, U.S.A
| | - Gregory M Lupica
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana, U.S.A
| | - Samantha O'Connell
- Office of Academic Affairs and Provost, Tulane University, New Orleans, Louisiana, U.S.A
| | - Michaela A Stamm
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana, U.S.A
| | - Mary K Mulcahey
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana, U.S.A..
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32
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Debertin D, Wargel A, Mohr M. Reliability of Xsens IMU-Based Lower Extremity Joint Angles during In-Field Running. Sensors (Basel) 2024; 24:871. [PMID: 38339587 PMCID: PMC10856827 DOI: 10.3390/s24030871] [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] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024]
Abstract
The Xsens Link motion capture suit has become a popular tool in investigating 3D running kinematics based on wearable inertial measurement units outside of the laboratory. In this study, we investigated the reliability of Xsens-based lower extremity joint angles during unconstrained running on stable (asphalt) and unstable (woodchip) surfaces within and between five different testing days in a group of 17 recreational runners (8 female, 9 male). Specifically, we determined the within-day and between-day intraclass correlation coefficients (ICCs) and minimal detectable changes (MDCs) with respect to discrete ankle, knee, and hip joint angles. When comparing runs within the same day, the investigated Xsens-based joint angles generally showed good to excellent reliability (median ICCs > 0.9). Between-day reliability was generally lower than the within-day estimates: Initial hip, knee, and ankle angles in the sagittal plane showed good reliability (median ICCs > 0.88), while ankle and hip angles in the frontal plane showed only poor to moderate reliability (median ICCs 0.38-0.83). The results were largely unaffected by the surface. In conclusion, within-day adaptations in lower-extremity running kinematics can be captured with the Xsens Link system. Our data on between-day reliability suggest caution when trying to capture longitudinal adaptations, specifically for ankle and hip joint angles in the frontal plane.
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Affiliation(s)
- Daniel Debertin
- Department of Sport Science, University of Innsbruck, Fürstenweg 185, A-6020 Innsbruck, Austria;
| | | | - Maurice Mohr
- Department of Sport Science, University of Innsbruck, Fürstenweg 185, A-6020 Innsbruck, Austria;
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33
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Li G, Liang X, Lu H, Su T, Hou ZG. Development and Validation of a Self-Aligning Knee Exoskeleton With Hip Rotation Capability. IEEE Trans Neural Syst Rehabil Eng 2024; 32:472-481. [PMID: 38227411 DOI: 10.1109/tnsre.2024.3354806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
The self-aligning capability of an exoskeleton is important to ensure wearing comfort, and the delicate motion ability of the exoskeleton is essential for motion assistance. Designing a self-aligning exoskeleton that offers improved wearing comfort and enhanced motion-assistance functions remains a challenge. This paper proposes a novel spatial self-aligning mechanism for a knee exoskeleton to enable simultaneous assistance in the flexion and extension (FE) of the knee joint and the internal and external rotation (IER) of the hip joint. Additionally, considering the misalignment of the human-robot joint axes, a kinematic model of the knee exoskeleton is established and analyzed to demonstrate the kinematic compatibility of the exoskeleton. Furthermore, a global torque manipulability (GTM) index is proposed to evaluate the effects of dimensional parameters on the exoskeleton's performance, and then the knee exoskeleton is optimized according to the GTM index. Finally, experiments are conducted to validate the performance of the proposed exoskeleton. The experimental results show that during knee FE and hip IER, the proposed exoskeleton exhibits lower interaction forces and torques than existing exoskeletons.
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Daliri M, Ghorbani M, Akbarzadeh A, Negahban H, Ebrahimzadeh MH, Rahmanipour E, Moradi A. Powered single hip joint exoskeletons for gait rehabilitation: a systematic review and Meta-analysis. BMC Musculoskelet Disord 2024; 25:80. [PMID: 38245729 PMCID: PMC10799403 DOI: 10.1186/s12891-024-07189-4] [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: 01/18/2023] [Accepted: 01/09/2024] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND Gait disorders and as a consequence, robotic rehabilitation techniques are becoming increasingly prevalent as the population ages. In the area of rehabilitation robotics, using lightweight single hip joint exoskeletons are of significance. Considering no prior systematic review article on clinical outcomes, we aim to systematically review powered hip exoskeletons in terms of gait parameters and metabolic expenditure effects. METHODS Three databases of PubMed, Scopus, and Web of science were searched for clinical articles comparing outcomes of gait rehabilitation using hip motorized exoskeleton with conventional methods, on patients with gait disorder or healthy individuals. Of total number of 37 reviewed articles, 14 trials were quantitatively analyzed. Analyses performed in terms of gait spatiotemporal parameters like speed (self-speed and maximum speed), step length, stride length, cadence, and oxygen consumption. RESULTS Improved clinical outcomes of gait spatiotemporal parameters with hip joint exoskeletons are what our review's findings show. In terms of gait values, meta-analysis indicates that rehabilitation with single hip joint exoskeleton enhanced parameters of maximum speed by 0.13 m/s (0.10-0.17) and step length by 0.06 m (0.05-0.07). For the remaining investigated gait parameters, no statistically significant difference was observed. Regarding metabolic parameters, oxygen consumption was lower in individuals treated with hip exoskeleton (- 1.23 ml/min/kg; range - 2.13 to - 0.32). CONCLUSION Although the analysis demonstrated improvement with just specific gait measures utilizing powered hip exoskeletons, the lack of improvement in all parameters is likely caused by the high patient condition heterogeneity among the evaluated articles. We also noted in patients who rehabilitated with the hip exoskeleton, the oxygen cost was lower. More randomized controlled trials are needed to verify both the short- and long-term clinical outcomes, including patient-reported measures. LEVEL OF EVIDENCE Level I (systematic review and meta-analysis).
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Affiliation(s)
- Mahla Daliri
- Orthopedics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ghorbani
- Orthopedics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Akbarzadeh
- Mechanical Engineering Department, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Hossein Negahban
- Orthopedics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physical Therapy, School of Paramedical and Rehabilitation Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Elham Rahmanipour
- Orthopedics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Moradi
- Orthopedics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Kim S, Qu F, Wang Y, Lam WK. Examining the joint coordination during dynamic balance learning using vector coding and statistical parametric mapping analyses. Sci Rep 2024; 14:1724. [PMID: 38242922 PMCID: PMC10799072 DOI: 10.1038/s41598-023-44216-1] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 10/05/2023] [Indexed: 01/21/2024] Open
Abstract
We aimed to examine the changes in balance performance, kinematic variables, and joint coordination of the lower extremities during the Y-balance learning task. Twenty female university students completed five consecutive blocks of Y-balance learning from days 3 to 7 (135 trials). Pre-tests and tests were performed on days 1 and 9. Maximum reach distance, peak joint angle, and joint coordination in the anterior (AL), posterolateral (PL), and posteromedial (PM) directions were measured to determine the efficacy of Y-balance performance. A repeated measures ANOVA was performed for the maximum reach distance across learning blocks to confirm whether learning had occurred. Our results indicated that the maximum reach distance on day 5 was longer than that on other learning days. The maximum reach distance significantly increased in the PL and PM directions after learning. The hip flexion (PL/PM), abduction (PM), internal rotation (PM), and external rotation (PL) angles increased after learning. The knee joint flexion angle increased in both AL and PL directions. Only the ankle dorsiflexion angle increased in the AL direction. Joint coordination indicated that the knee and hip joints performed simultaneously during internal rotation. Ankle-knee joint coordination was performed using dorsiflexion and flexion strategies. Statistical parametric mapping analysis indicated significant differences in the ankle sagittal plane in the AL direction, hip horizontal and hip/knee sagittal planes in the PL direction, and hip/knee sagittal and hip frontal/horizontal planes in the PM direction. These data suggest that the dynamic balance ability of the novice participants improved in relation to changes in coordination patterns after learning. The results of this study can be applied to other populations to improve their dynamic balance and prevent fall injuries.
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Affiliation(s)
- Sungmin Kim
- Institute of School Physical Education, Korea National University of Education, Cheongju, Chungbuk, Republic of Korea
| | - Feng Qu
- Biomechanics Laboratory, Beijing Sports University, Beijing, China.
| | - Yi Wang
- Department of Physical Education, Renmin University of China, Beijing, China.
- Sports and Social Development Research Center, Renmin University of China, Beijing, China.
| | - Wing-Kai Lam
- Sports Information and External Affairs Centre, Hong Kong Sports Institutes, Sha Tin, Hong Kong, China
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Tomomatsu K, Taniguchi T, Hashizume H, Harada T, Iidaka T, Asai Y, Oka H, Muraki S, Akune T, Kawaguchi H, Nakamura K, Yoshida M, Tanaka S, Yoshimura N, Yamada H. Factors associated with cam deformity in Japanese local residents. Sci Rep 2024; 14:1585. [PMID: 38238438 PMCID: PMC10796762 DOI: 10.1038/s41598-024-51876-0] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/10/2024] [Indexed: 01/22/2024] Open
Abstract
Femoroacetabular impingement has increasingly been recognized as a cause of primary hip osteoarthritis; however, its epidemiological indications remain unclear. We aimed to clarify the epidemiological indications and factors associated with cam deformity in a large-scale population-based cohort in Japan. Overall, 1480 participants (2960 hips) (491 men, 989 women; mean age, 65.3 years) analyzed in the third survey of the Research on Osteoarthritis/Osteoporosis Against Disability study were included. The α angle and spinopelvic parameters (lumbar lordosis, sacral slope, pelvic tilt, and pelvic incidence) were radiographically measured. Cam deformity was defined as α angle ≥ 60°. Overall, the cam deformity prevalence was 147/2960 (5.0%). Cam deformity prevalence tended to increase with age; in the univariate analysis, a higher percentage of men was observed in the group with cam deformity than in the group without it. No relationship was observed between cam deformity and hip pain. Factors associated with α angle were examined via multiple regression analysis for each gender; α angle was significantly associated with age and BMI in each gender. The α angle and PT were correlated in women. Thus, α angle and cam deformity prevalence increase with age in Japanese individuals. Accordingly, cam deformity can be considered a developmental disease.
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Affiliation(s)
- Koichi Tomomatsu
- Naga Municipal Hospital, 1282 Uchida, Kinokawa City, Wakayama, Japan
| | - Takaya Taniguchi
- Naga Municipal Hospital, 1282 Uchida, Kinokawa City, Wakayama, Japan.
| | - Hiroshi Hashizume
- School of Health and Nursing Science, Wakayama Medical University, 590 Mikazura, Wakayama City, Wakayama, Japan
| | - Teiji Harada
- Naga Municipal Hospital, 1282 Uchida, Kinokawa City, Wakayama, Japan
| | - Toshiko Iidaka
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, Faculty of Medicine, University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, Japan
| | - Yoshiki Asai
- Department of Orthopaedic Surgery, Wakayama Medical University, 811‑1 Kimiidera, Wakayama City, Wakayama, Japan
| | - Hiroyuki Oka
- Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical &Research Center, Faculty of Medicine, University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, Japan
| | - Shigeyuki Muraki
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, Faculty of Medicine, University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, Japan
| | - Toru Akune
- National Rehabilitation Center for Persons With Disabilities, 4‑1 Namiki, Tokorozawa City, Saitama, Japan
| | | | - Kozo Nakamura
- Department of Orthopaedic Surgery, Towa Hospital, 4‑7‑10 Towa, Adachi‑ku, Tokyo, Japan
| | - Munehito Yoshida
- Department of Orthopaedic Surgery, Sumiya Orthopedic Hospital, 337 Yoshida, Wakayama City, Wakayama, Japan
| | - Sakae Tanaka
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, Japan
| | - Noriko Yoshimura
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, Faculty of Medicine, University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, Japan
| | - Hiroshi Yamada
- Department of Orthopaedic Surgery, Wakayama Medical University, 811‑1 Kimiidera, Wakayama City, Wakayama, Japan
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Schmaranzer F, Justo P, Kallini JR, Ferrer MG, Miller P, Bixby SD, Novais EN. Hip Morphology on Post-Reduction MRI Predicts Residual Dysplasia 10 Years After Open or Closed Reduction. J Bone Joint Surg Am 2024; 106:110-119. [PMID: 37992184 DOI: 10.2106/jbjs.23.00333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
BACKGROUND There is limited evidence supporting the value of morphological parameters on post-reduction magnetic resonance imaging (MRI) to predict long-term residual acetabular dysplasia (RAD) after closed or open reduction for the treatment of developmental dysplasia of the hip (DDH). METHODS We performed a retrospective study of 42 patients (47 hips) undergoing open or closed reduction with a minimum 10 years of follow-up; 39 (83%) of the hips were in female patients, and the median age at reduction was 6.3 months (interquartile range [IQR], 3.3 to 8.9 months). RAD was defined as additional surgery with an acetabular index >2 standard deviations above the age- and sex-specific population-based mean value or Severin classification grade of >2 at last follow-up. Acetabular version and depth-width ratio, coronal and axial femoroacetabular distance, cartilaginous and osseous acetabular indices, transverse ligament thickness, and the thickness of the medial and lateral (limbus) acetabular cartilage were measured on post-reduction MRI. RESULTS At the time of final follow-up, 24 (51%) of the hips had no RAD; 23 (49%) reached a failure end point at a median of 11.4 years (IQR, 7.6 to 15.4 years). Most post-reduction MRI measurements, with the exception of the cartilaginous acetabular index, revealed a significant distinction between the group with RAD and the group with no RAD when mean values were compared. The coronal femoroacetabular distance (area under the receiver operating characteristic curve [AUC], 0.95; 95% confidence interval [CI], 0.90 to 1.00), with a 5-mm cutoff, and limbus thickness (AUC, 0.91; 95% CI, 0.83 to 0.99), with a 4-mm cutoff, had the highest discriminatory ability. A 5-mm cutoff for the coronal femoroacetabular distance produced 96% sensitivity (95% CI, 78% to 100%), 83% specificity (95% CI, 63% to 95%), 85% positive predictive value (95% CI, 65% to 96%), and 95% negative predictive value (95% CI, 76% to 100%). A 4-mm cutoff for limbus thickness had 96% sensitivity (95% CI, 78% to 100%), 63% specificity (95% CI, 41% to 81%), 71% positive predictive value (95% CI, 52% to 86%), and 94% negative predictive value (95% CI, 70% to 100%). CONCLUSIONS Coronal femoroacetabular distance, a quantitative metric assessing a reduction's concentricity, and limbus thickness, a quantitative metric assessing the acetabulum's cartilaginous component, help to predict hips that will have RAD in the long term after closed or open reduction. LEVEL OF EVIDENCE Diagnostic Level IV . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Florian Schmaranzer
- Department of Diagnostic, Interventional, and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Pedro Justo
- Child and Young Adult Hip Preservation Program, Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts
| | - Jennifer R Kallini
- Child and Young Adult Hip Preservation Program, Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts
| | - Mariana G Ferrer
- Child and Young Adult Hip Preservation Program, Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts
| | - Patricia Miller
- Child and Young Adult Hip Preservation Program, Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts
| | - Sarah D Bixby
- Department of Radiology, Boston Children's Hospital, Boston, Massachusetts
| | - Eduardo N Novais
- Child and Young Adult Hip Preservation Program, Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts
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Muchammad M, Tauviqirrahman M, Ammarullah MI, Iqbal M, Setiyana B, Jamari J. Performance of textured dual mobility total hip prosthesis with a concave dimple during Muslim prayer movements. Sci Rep 2024; 14:916. [PMID: 38195665 PMCID: PMC10776789 DOI: 10.1038/s41598-023-50887-7] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 12/27/2023] [Indexed: 01/11/2024] Open
Abstract
The single mobility bearing as a previous bearing design of total hip prosthesis has severe mobility constraints that can result in dislocation during Muslim (people who follow the Islam as religion) prayer movements, specifically shalat that requires intense movement. There are five intense movements (i.e., bowing, prostration, sitting, transition from standing to prostration, and final sitting) during Muslim prayer that may generate an impingement problem for patients with total hip prosthesis. In this work, textured dual mobility total hip prosthesis with two textured cases (i.e., textured femoral head and textured inner liner) are presented and their performances are numerically evaluated against untextured surface model during Muslim prayer movement. The concave dimple design is chosen for surface texturing, while for simulating femoral head materials, SS 316L and CoCrMo is choosen. To represent the real condition, three-dimensional computational fluid dynamics (CFD) coupled with two-way fluid-structure interaction (FSI) methods are employed to analyze elastohydrodynamic lubrication problem with non-Newtonian synovial fluid model. The main aim of the present study is to investigate the tribological performance on dual mobility total hip prosthesis with applied textured surface with concave dimple in femoral head and inner liner surface under Muslim prayer movements. It is found that applying surface texturing has a beneficial effect on the lubrication performance for some intense movements. The textured femoral head model performs better than textured inner liner model and untextured model (both femoral head and inner liner). The numerical results also indicate superior performance of CoCrMo femoral head compared to SS 316L femoral head. These findings can be used as a reference for biomedical engineers and orthopedic surgeons in designing and choosing suitable total hip prosthesis for Muslims makes they can carry out Muslim prayer movements like humans in general who have normal hip joints.
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Affiliation(s)
- M Muchammad
- Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Universitas Diponegoro, Semarang, 50275, Central Java, Indonesia.
| | - Mohammad Tauviqirrahman
- Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Universitas Diponegoro, Semarang, 50275, Central Java, Indonesia
| | - Muhammad Imam Ammarullah
- Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Universitas Diponegoro, Semarang, 50275, Central Java, Indonesia
- Department of Mechanics and Aerospace Engineering, College of Engineering, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China
- Biomechanics and Biomedics Engineering Research Centre, Universitas Pasundan, Bandung, 40153, West Java, Indonesia
| | - Muhammad Iqbal
- Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Universitas Diponegoro, Semarang, 50275, Central Java, Indonesia
| | - Budi Setiyana
- Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Universitas Diponegoro, Semarang, 50275, Central Java, Indonesia
- Laboratory for Surface Technology and Tribology, Faculty of Engineering Technology, University of Twente, Postbus 217, 7500 AE, Enschede, The Netherlands
| | - J Jamari
- Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Universitas Diponegoro, Semarang, 50275, Central Java, Indonesia
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Kinsella R, Semciw AI, Hawke LJ, Stoney J, Choong PFM, Dowsey MM. Diagnostic Accuracy of Clinical Tests for Assessing Greater Trochanteric Pain Syndrome: A Systematic Review With Meta-analysis. J Orthop Sports Phys Ther 2024; 54:1-24. [PMID: 37561820 DOI: 10.2519/jospt.2023.11890] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
OBJECTIVE: We aimed to evaluate the accuracy of clinical tests that are used to diagnose greater trochanteric pain syndrome (GTPS) in clinical practice. DESIGN: Diagnostic test accuracy systematic review with meta-analysis. LITERATURE SEARCH: MEDLINE, Embase, CINAHL, AMED, and SPORTDiscus were searched using key words mapped to diagnostic test accuracy for GTPS. STUDY SELECTION CRITERIA: Studies with published or derivable diagnostic accuracy data were included. DATA SYNTHESIS: Risk of bias was assessed using the QUADAS-2 tool, and certainty of evidence, via the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) framework. MetaDTA "R" random-effects models were used to summarize individual and pooled data including sensitivity, specificity, likelihood ratios, and pretest/posttest probabilities. RESULTS: From a database yield of 858 studies, 23 full texts were assessed. We included 6 studies for review, involving 15 tests and 272 participants (314 hips). Overall certainty of evidence ranged from very low to moderate. Meta-analysis of 6 tests revealed sequenced test clusters able to significantly shift pretest-posttest probability for or against a GTPS diagnosis. In people reporting lateral hip pain, a negative gluteal tendon (GT) palpation test followed by a negative resisted hip abduction test significantly reduced the posttest probability of GTPS from 59% to 14%. In those with a positive GT palpation test followed by a positive resisted hip abduction test, the posttest probability of GTPS significantly shifted from 59% to 96%. CONCLUSION: The value of magnetic resonance imaging for diagnosing GTPS is debated. We have identified a straightforward, clinically useful diagnostic test cluster to help confirm or refute the presence of GTPS in people reporting lateral hip pain. J Orthop Sports Phys Ther 2024;54(1):1-24. Epub 10 August 2023. doi:10.2519/jospt.2023.11890.
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40
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Liu K, Ji L, Capelli D, Lu Y. Slackline training for Paralympic alpine sit skiers: Development of human-device multi-joint coordination. Scand J Med Sci Sports 2024; 34:e14492. [PMID: 37715468 DOI: 10.1111/sms.14492] [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] [Received: 04/17/2023] [Revised: 08/17/2023] [Accepted: 09/01/2023] [Indexed: 09/17/2023]
Abstract
PURPOSE Para-alpine sit skiers face unique challenges in balance control due to their disabilities and the use of sit skis. This study assessed their multi-joint coordination before and after slackline training. METHODS Nine alpine sit skiers (6 M/3 F; 27 ± 8 years; height: 168.3 ± 6.0 cm; body mass: 55.4 ± 6.9 kg) with different disabilities (LW10-LW12) volunteered for the experiment. All subjects performed slackline training for 5 weeks (20 sessions). Joint kinematics were captured by vision-based markerless motion analysis. Root mean square (RMS) amplitude, mean velocity and mean power frequency (MPF) were evaluated. RESULTS After training, performance improved significantly with an increase in balance time (1041%, p = 0.002), and a decrease in joint angular velocities and RMS amplitude of the sit ski foot (p < 0.05). Joint synergies were developed through in- or anti-phase movements between joint pairs, particularly involving the hip joints (continuous relative phase angles ~0° or 180°, p < 0.001). Multi-joint coordination shifted from large-RMS amplitude of elbows to low-MPF large-RMS amplitude of the hip and shoulders (p < 0.05), with a significant increase of hip weighting (77.61%, p = 0.031) in the principal component analysis. The coordination was maintained with the change of slackline tension (p < 0.05). Athletes with severe trunk disabilities (LW10) had shorter balance time and poorer coordination than athletes with full trunk functions (LW12). CONCLUSIONS Our findings showed the development of joint coordination involving better control of the hip and sit skis during the challenging slackline training task.
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Affiliation(s)
- Kaiqi Liu
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, China
| | - Linhong Ji
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, China
| | | | - Yijia Lu
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, China
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41
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Palásek P, Mašát P, Řeháček V. [Total Hip Arthroplasty Using the AMIS Method: Surgical Technique, Suitability of This Method for Obese Patients, Evaluation of the Study Population]. Acta Chir Orthop Traumatol Cech 2024; 91:24-33. [PMID: 38447562 DOI: 10.55095/achot2024/008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
PURPOSE OF THE STUDY This manuscript aims to introduce our surgical technique, with an emphasis on the latest recommendations. The AMIS technique is discussed in more detail in patients with Class II and Class III obesity. We seek to prove the premise claiming that the anteversion and inclination values observed in this group of patients do not differ signifi cantly from those observed in patients with the recommended BMI index. We will also compare the risk of neurovascular bundle injury and postoperative complication rate regarding the surgical wound. MATERIAL AND METHODS Patients who underwent surgery using the AMIS method in the period between 1/2020 and 4/2023 were assessed retrospectively. The study included 1150 implantations. The entire study population was assessed for neurovascular bundle injury and surgical wound healing complications. For this purpose, the patients were divided into two groups based on the BMI, namely BMI < 35 kg/m2 (n=1042) and BMI > 35 kg/m2 (n=108). In patients with the BMI ≤ 25 kg/m2 (n=280) and BMI ≥ 35 kg/m2 (n=108), the inclination and anteversion values were compared. Standard centered AP view X-rays of their operated joints were assessed. The Liaw's method was used to calculate the anteversion and inclination. RESULTS In group one of patients with BMI ≤ 25 kg/m2 (208 women and 72 men), the arithmetic mean of acetabular anteversion was 25.4° (median 25°) and inclination was 38.3° (median 38°). In group two, which consisted of patients with BMI ≥ 35 kg/m2 (59 women and 49 men), the total arithmetic mean of acetabular anteversion was 25.1° (median 25) and inclination was 37.6° (median 37.5°). The anteversion and inclination were assessed using the Mann-Whitney test for equality of medians. The value of 0.05 was chosen as the level of signifi cance. The resulting p-value was 0.5359 in anteversion and 0.3763 in inclination. Since the p-value of both anteversion and inclination was greater than the chosen level of signifi cance, their medians have not been confi rmed to differ signifi cantly. A total of 6 cases of femoral nerve injury was reported, i.e. 0.5% out of 1150. Therefore, the risk of injury was 0.4% in the group with BMI < 35 kg/m2 (n=1042). On the contrary, in the group of patients with BMI > 35 kg/m2 (n=108), the risk was 2%. No injury to femoral artery was reported. The surgical wound healing complications were seen in a total of 87 cases (7.6%). In the group with BMI < 35 kg/m2 , healing complications of the surgical wound were observed in 7.4% of cases, with the need for revision surgery in 7 patients. In the group with BMI > 35 kg/ m2 , healing complications occurred in 13% of patients and wound revision was necessary in 4 cases. DISCUSSION Our results are consistent with those in the published studies that also show no signifi cant difference in anteversion and inclination of components in the compared groups of obese patients. We also agree with the other authors that the rate of complications regarding surgical wound healing is higher in these patients. The risk of neurovascular bundle injury in this study population is not higher than the standard. CONCLUSIONS The results obtained in our study population show that this method can also be used in patients with higher BMI, with no concern about the implantation of components in malposition or a higher risk of neurovascular injury. Nonetheless, potentially higher risk of surgical wound healing should be considered when this approach is opted for. With the appropriate surgical technique, AMIS is a safe method and, in our view, the fi rst choice especially for obese patients. KEY WORDS AMIS, anteversion, inclination, hip joint, obesity, BMI, implantation, total joint replacement.
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Affiliation(s)
- P Palásek
- Ortopedické oddělení, Nemocnice Vršovice a.s., Praha
| | - P Mašát
- Ortopedické oddělení, Nemocnice Vršovice a.s., Praha
| | - V Řeháček
- Ortopedické oddělení, Nemocnice Vršovice a.s., Praha
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Dietrich TJ, Vaeth D, Wildermuth S, Waelti S, Leschka S, Graf N, Fischer T. Age-related prevalence and imaging characteristics of the superior acetabular roof notch in children, adolescents, and young adults. Skeletal Radiol 2024; 53:43-49. [PMID: 37261477 PMCID: PMC10661799 DOI: 10.1007/s00256-023-04370-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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 04/24/2023] [Accepted: 05/21/2023] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To determine the age-related prevalence and imaging characteristics of the superior acetabular roof notch (SARN) on hip MRI and radiographs in a young study population. MATERIALS AND METHODS Retrospective analysis of 304 MRI examinations and corresponding available radiographs of patients between the ages of 4 and 24 years. Two observers classified SARN with fluid-like findings on MRI as type-1, whereas SARN with fat-like findings on MRI were classified as type-2. Sensitivity and specificity of radiographic SARN findings were determined using MRI as the reference standard. Logistic regression models were used to assess the age-related prevalence on MRI. RESULTS Twelve patients (3.9%) had fluid-like SARN type-1, 27 patients (8.9%) had fat-like SARN type-2, while 265 patients (87.2%) had no SARN on MRI. The odds ratio (OR) for age (years) with respect to the presence of a fluid-like SARN type-1 on MRI was 0.79 (95% CI: 0.70-0.89), meaning that with each year, the likelihood for SARN type-1 decreased by 21% (p < 0.001). The OR for age with respect to the presence of a fat-like SARN type-2 on MRI was 1.14 (95% CI: 1.02-1.27) (p = 0.017). The diagnostic sensitivity for detecting a SARN on radiographs compared to MRI as the reference standard was between 0.75 and 0.83 and the corresponding specificity was between 0.85 and 0.89 for both observers. CONCLUSION SARN is a common finding on MRI and radiographs. The present data suggest that SARN undergoes an age-related imaging characteristic from a fluid-like appearance to a fat-like appearance on MRI during adolescence.
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Affiliation(s)
- Tobias Johannes Dietrich
- Radiology and Nuclear Medicine, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland.
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3, 8091, Zurich, Switzerland.
| | - Desiree Vaeth
- Radiology and Nuclear Medicine, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3, 8091, Zurich, Switzerland
| | - Simon Wildermuth
- Radiology and Nuclear Medicine, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3, 8091, Zurich, Switzerland
| | - Stephan Waelti
- Radiology and Nuclear Medicine, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3, 8091, Zurich, Switzerland
| | - Sebastian Leschka
- Radiology and Nuclear Medicine, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3, 8091, Zurich, Switzerland
| | - Nicole Graf
- Clinical Trials Unit, Kantonsspital St. Gallen, Rorschacher Strasse 95, 9007, St. Gallen, Switzerland
| | - Tim Fischer
- Radiology and Nuclear Medicine, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3, 8091, Zurich, Switzerland
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Sado N, Edagawa T, Fujimori T, Hashimoto S, Okamoto Y, Nakajima T. Hip and lumbosacral joint centre locations in asian population: Biases produced by existing regression equations and development of new equations. J Biomech 2024; 162:111866. [PMID: 37976688 DOI: 10.1016/j.jbiomech.2023.111866] [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: 07/24/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
The hip and lumbosacral joint centre (HJC and LSJC) predictions are required to analyse the lumbo-pelvic-hip dynamics during various human motions. Some HJC and LSJC regression equations based on pelvic dimension have been developed; however, the pre-existing methods need to be re-evaluated, and methodological reconsideration may improve the regression methods. Here we show that pre-existing methods produce biased predictions of the LSJC and HJC in 23 male and 24 female Japanese adults, and that the biases in the LSJC differ between sexes, using magnetic resonance imaging (MRI) around the pelvis. Compared with directly measured locations on MRI, the pre-existing regression equations predict LSJC to be more posterior in males and more inferior and posterior in females, and HJC to be more medial in both sexes. The better pre-existing regression equation for LSJC height differs between sexes, with pelvic-width-base better in males and pelvic-depth-base better in females, respectively. We suggest the unsuitability of pre-existing methods to our dataset consisting of Japanese adults and the importance of considering sex differences in regression methods. We propose regression equations to predict HJC and LSJC, considering soft-tissue thickness, sex differences, and a height-directional measure, using least absolute shrinkage and selection operator regression. We validate them using leave-one-out cross-validation (LOOCV). LOOCV shows that our model produces negligible biases and smaller absolute errors than the pre-existing regressions; in particular, the anteroposterior absolute error for LSJC is less than half that of the pre-existing regression. Our regression equation can be a powerful solution for accurate motion analysis.
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Affiliation(s)
- Natsuki Sado
- Institute of Health and Sports Science, University of Tsukuba, Tsukuba, Japan.
| | - Takeshi Edagawa
- Graduate School of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan
| | - Toshihide Fujimori
- Graduate School of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan
| | - Shogo Hashimoto
- Graduate School of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan
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Dhandapani N, Bejaxhin ABH, Periyaswamy G, Ramanan N, Arunprasad J, Rajkumar S, Sharma S, Singh G, Awwad FA, Khan MI, Ismail EA. Physicomechanical, morphological and tribo-deformation characteristics of lightweight WC/AZ31B Mg-matrix biocomposites for hip joint applications. J Appl Biomater Funct Mater 2024; 22:22808000231214359. [PMID: 38702952 DOI: 10.1177/22808000231214359] [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] [Indexed: 05/06/2024] Open
Abstract
Exploring high strength materials with a higher concentration of reinforcements in the alloy proves to be a challenging task. This research has explored magnesium-based composites (AZ31B alloy) with tungsten carbide reinforcements, enhancing strength for medical joint replacements via league championship optimisation. The primary objective is to enhance medical joint replacement biomaterials employing magnesium-based composites, emphasising the AZ31B alloy with tungsten carbide reinforcements. The stir casting method is utilised in the manufacture of magnesium matrix composites (MMCs), including varied percentages of tungsten carbide (WC). The mechanical characteristics, such as micro-hardness, tensile strength, and yield strength, have been assessed and compared with computational simulations. The wear studies have been carried out to analyse the tribological behaviour of the composites. Additionally, this study investigates the prediction of stress and the distribution of forces inside bone and joint structures, therefore offering significant contributions to the field of biomedical research. This research contemplates the use of magnesium-based MMCs for the discovery of biomaterials suitable for medical joint replacement. The study focuses on the magnesium alloy AZ31B, with particles ranging in size from 40 to 60 microns used as the matrix material. Moreover, the outcomes have revealed that when combined with MMCs based on AZ31B-magnesium matrix, the WC particle emerges as highly effective reinforcements for the fabrication of lightweight, high-strength biomedical composites. This study uses the league championship optimisation (LCO) approach to identify critical variables impacting the synthesis of Mg MMCs from an AZ31B-based magnesium alloy. The scanning electron microscopy (SEM) images are meticulously analysed to depict the dispersion of WC particulates and the interface among the magnesium (Mg) matrix and WC reinforcement. The SEM analysis has explored the mechanisms underlying particle pull-out, the characteristics of inter-particle zones, and the influence of the AZ31B matrix on the enhancement of the mechanical characteristics of the composites. The application of finite element analysis (FEA) is being used in order to make predictions regarding the distribution of stress and the interactions of forces within the model of the hip joint. This study has compared the physico-mechanical and tribological characteristics of WC to distinct combinations of 0%, 5%, 10% and 15%, and its impact on the performance improvements. SEM analysis has confirmed the findings' improved strength and hardness, particularly when 10%-15% of WC was incorporated. Following the incorporation of 10% of WC particles within Mg-alloy matrix, the outcomes of the study has exhibited enhanced strength and hardness, which furthermore has been evident by utilising SEM analysis. Using ANSYS, structural deformation and stress levels are predicted, along with strength characteristics such as additional hardness of 71 HRC, tensile strength of 140-150 MPa, and yield strength closer to 100-110 MPa. The simulations yield significant insights into the behaviour of the joint under various loading conditions, thus enhancing the study's significance in biomedical environments.
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Affiliation(s)
| | | | - Gajendran Periyaswamy
- Department of Mechanical Engineering, St Peter's Institute of Higher Education and Research, Avadi, Chennai, Tamil Nadu, India
| | | | - Jayaraman Arunprasad
- Department of Mechanical Engineering, Dhanalakshmi Srinivasan Engineering College, Perambalur, Tamil Nadu, India
| | - Sivanraju Rajkumar
- Department of Mechanical Engineering, Faculty of Manufacturing, Institute of Technology, Hawassa University, Ethiopia
| | - Shubham Sharma
- Department of Mechanical Engineering, University Centre for Research and Development, Chandigarh University, Mohali, Punjab, India
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, China
- Department of Mechanical Engineering, Lebanese American University, Kraytem, Beirut, Lebanon
| | - Gurminder Singh
- Department of Mechanical Engineering, Indian Institute of Technology, Bombay, India
| | - Fuad A Awwad
- Department of Quantitative analysis, College of Business Administration, King Saud University, Riyadh, Saudi Arabia
| | - M Ijaz Khan
- Department of Mechanical Engineering, Lebanese American University, Kraytem, Beirut, Lebanon
- Department of Mechanics and Engineering Science, Peking University, Beijing, China
| | - Emad Aa Ismail
- Department of Quantitative analysis, College of Business Administration, King Saud University, Riyadh, Saudi Arabia
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45
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Choi JW, Park JW, Choi WJ. Effects of hip joint kinematics on the effective pelvis stiffness and hip impact force during simulated sideways falls. J Biomech 2024; 162:111885. [PMID: 38039920 DOI: 10.1016/j.jbiomech.2023.111885] [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: 03/29/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
Improved understanding is required on how hip fracture risk is influenced by landing configuration. We examined how hip impact dynamics was affected by hip joint kinematics during simulated sideways falls. Twelve young adults (7 males, 5 females) of mean age 23.5 (SD = 1.5) years, participated in pelvis release experiments. Trials were acquired with the hip flexed 15° and 30° for each of three hip rotations: +15° ("external rotation"), 0°, and -15° ("internal rotation"). During falls, force-deformation data of the pelvis were recorded. Outcome variables included the peak hip impact force (Fexperimental) and effective stiffness of the pelvis (k1st, ksecant, and kms) determined with different methods suggested in literature, and predicted hip impact force during a fall from standing height (F1st, Fsecant and Fms). The two-way repeated-measures ANOVA was used to test whether these variables were associated with hip joint angles. The Fexperimental, ksecant and Fsecant were associated with hip rotation (F = 5.587, p = 0.005; F = 9.278, p < 0.0005; F = 5.778, p = 0.004, respectively), and 15 %, 31 % and 17 % smaller in 15° external than internal rotation (848 versus 998 N; 24.6 versus 35.6 kN/m; 2,637 versus 3,170 N, respectively). However, none of the outcome variables were associated with hip flexion (p > 0.05). Furthermore, there were no interactions between the hip rotation and flexion for all outcome variables (p > 0.05). Our results provide insights on hip impact dynamics, which may help improve a hip model to assess hip fracture risk during a fall.
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Affiliation(s)
- J W Choi
- Injury Prevention and Biomechanics Laboratory, Department of Physical Therapy, Yonsei University, Wonju, Gangwon-do, South Korea
| | - J W Park
- Injury Prevention and Biomechanics Laboratory, Department of Physical Therapy, Yonsei University, Wonju, Gangwon-do, South Korea
| | - W J Choi
- Injury Prevention and Biomechanics Laboratory, Department of Physical Therapy, Yonsei University, Wonju, Gangwon-do, South Korea.
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Takeuchi R, Iwamoto Y, Kawakami W, Takeuchi Y, Miyoshi F, Ishii Y, Takahashi M. Sex differences in factors of pelvis and lower-limb joint kinematics influencing dynamic knee valgus during single-leg squat. J Back Musculoskelet Rehabil 2024; 37:205-211. [PMID: 37718776 DOI: 10.3233/bmr-230086] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
BACKGROUND Dynamic knee valgus (DKV) during dynamic activity is associated with patellofemoral pain, one of the most common sports disorders, especially in females. No studies have examined the factors that can lead to DKV in females as compared to males while addressing the influence of factors on each other. OBJECTIVE To identify factors of pelvis and lower joints kinematics affecting DKV during single-leg squat (SLS) in females compared to males with multiple regression analysis. METHODS Forty-four healthy young people (24 females, 20 males) performed SLS, and pelvis, hip, knee, and ankle 3D kinematics were recorded. The 2D knee frontal plane projection angle (FPPA) was adopted as the DKV measurement. Multiple regression analysis was performed to determine the relationship between FPPA and the kinematics of each joint and segment. RESULTS Hip adduction and pelvic contralateral rotation were explanatory factors for FPPA in females. Hip adduction, hip internal rotation, and knee external rotation were explanatory factors in males. CONCLUSIONS The lower limb or pelvic motion factors affecting DKV during SLS differ between the sexes, with pelvic contralateral rotation being extracted only in women, possibly due to differences in pelvic width.
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Affiliation(s)
- Ryosuke Takeuchi
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Department of Rehabilitation, Juko Memorial Hospital, Aichi, Japan
| | - Yoshitaka Iwamoto
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Center for Advanced Practice and Research of Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Wataru Kawakami
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Department of Rehabilitation, Institute of Brain and Blood Vessel, Mihara Memorial Hospital, Isesaki, Gunnma, Japan
| | - Yasutaka Takeuchi
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Division of Rehabilitation, Kurume University Medical Center, Fukuoka, Japan
| | - Fumiya Miyoshi
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Department of Rehabilitation, Chugoku Rosai Hospital, Hiroshima, Japan
| | - Yosuke Ishii
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Center for Advanced Practice and Research of Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Makoto Takahashi
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Center for Advanced Practice and Research of Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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48
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Lim W. Joint position sense error in the hip and knee without reference to the joint angle. J Back Musculoskelet Rehabil 2024; 37:513-519. [PMID: 38073373 DOI: 10.3233/bmr-230129] [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] [Indexed: 01/27/2024]
Abstract
BACKGROUND Joint position reproduction measures the angle acuity of reference angle reproduction using an indicator angle. However, reference angles are often not available. OBJECTIVE This study aimed to examine joint position sense at three different targeted joint angles, which were estimated from the maximum range of motion (maxROM) without a reference angle at each targeted joint angle. METHODS The maxROM was measured in straight leg raise (SLR) and active knee extension (AKE) positions. In both positions, a targeted joint angle at 75% of the maxROM was assessed first, followed by that at 50% and 25% of the maxROM. A one-sample t-test was used to analyze differences between the targeted and reproduced angles in both positions. RESULTS All reproduced angles significantly differed from the targeted angle in both SLR and AKE positions except for the reproduced angle measured at 75% maxROM. Overall, position errors in the AKE position were higher than those in the SLR position. CONCLUSIONS Estimating the angle based on the maxROM without a matched reference angle may lead to significant discrepancies in comparison with the targeted joint angle. In clinical settings, if accurate reproduction of motions is required to improve proprioception, providing a reference angle might be helpful.
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Affiliation(s)
- Wootaek Lim
- Department of Physical Therapy, College of Health and Welfare, Woosong University, Daejeon, Korea
- Department of Digital Bio-Health Convergence, College of Health and Welfare, Woosong University, Daejeon, Korea
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Swarup I, Makarewich C, Blumberg TJ, Pandya NK. Hip Pain in Adolescent Patients. Instr Course Lect 2024; 73:471-486. [PMID: 38090918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Hip pain is a common complaint in adolescents. There are several causes for hip pain in this population, with dysplasia and impingement being the most common; however, other conditions such as extra-articular impingement, torsional disorders, labral tears, and osteochondral lesions also require consideration. Many of these conditions are related to underlying anatomic abnormalities and increased activity in this age group. An understanding of the common pathologies of the adolescent hip is integral to the evaluation, diagnosis, and treatment of these patients.
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Close EL, Garcia MC, Bazett-Jones DM. Pre-pubertal runners demonstrate greater variability in running kinematics than post-pubertal runners. Gait Posture 2024; 107:136-140. [PMID: 37244771 DOI: 10.1016/j.gaitpost.2023.05.021] [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: 08/01/2022] [Revised: 05/01/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023]
Abstract
BACKGROUND Adolescents undergo a period of motor incoordination during puberty characterized by high movement variability. It is unknown if differences in running kinematics variability exist among adolescent long-distance runners. RESEARCH QUESTION Is kinematic variability different among male and female adolescent long-distance runners of different stages of physical maturation? METHODS We enrolled 114 adolescent long-distance runners (ages 8-19, F = 55, M = 59) in this secondary analysis of a larger cross-sectional study. Participants completed a three-dimensional overground running analysis at a comfortable self-selected speed. Peak frontal, sagittal, and transverse plane hip, knee, and ankle/shoe joint angles from the right leg were identified during stance phase for at least five trials. Variability in running kinematics was quantified as the standard deviation of the peak joint angles among the running trials for each participant. Participants were stratified by sex and stage of physical maturation (pre-, mid-, post-pubertal) and two-way ANOVAs compared between-subjects variability among groups (p ≤ .05). RESULTS Significant sex by maturation interactions were observed for hip external rotation and ankle external rotation variability. Sex differences were observed for hip internal rotation, with males demonstrating greater variability, and ankle internal rotation, with females demonstrating greater variability. Pre-pubertal runners demonstrated significantly greater variability than mid-pubertal runners for hip flexion, and greater variability than post-pubertal runners for hip flexion, hip adduction, hip internal rotation, and knee flexion. SIGNIFICANCE Pre-pubertal adolescent long-distance runners demonstrate greater stance phase variability in running kinematics than post-pubertal adolescent long-distance runners, while adolescent males and females demonstrate similar variability. Anthropometric and neuromuscular changes that occur during puberty likely influence running patterns and may contribute to more consistent kinematic patterns for post-pubertal runners.
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Affiliation(s)
- Eryn L Close
- College of Health and Human Services, University of Toledo, Toledo, OH, USA
| | - Micah C Garcia
- College of Health and Human Services, University of Toledo, Toledo, OH, USA.
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