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Harrington MS, Di Leo SD, Hlady CA, Burkhart TA. Musculoskeletal modeling and movement simulation for structural hip disorder research: A scoping review of methods, validation, and applications. Heliyon 2024; 10:e35007. [PMID: 39157349 PMCID: PMC11328100 DOI: 10.1016/j.heliyon.2024.e35007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2024] [Accepted: 07/22/2024] [Indexed: 08/20/2024] Open
Abstract
Musculoskeletal modeling is a powerful tool to quantify biomechanical factors typically not feasible to measure in vivo, such as hip contact forces and deep muscle activations. While technological advancements in musculoskeletal modeling have increased accessibility, selecting the appropriate modeling approach for a specific research question, particularly when investigating pathological populations, has become more challenging. The purposes of this review were to summarize current modeling and simulation methods in structural hip disorder research, as well as evaluate model validation and study reproducibility. MEDLINE and Web of Science were searched to identify literature relating to the use of musculoskeletal models to investigate structural hip disorders (i.e., involving a bony abnormality of the pelvis, femur, or both). Forty-seven articles were included for analysis, which either compared multiple modeling methods or applied a single modeling workflow to answer a research question. Findings from studies comparing methods were summarized, such as the effect of generic versus patient-specific modeling techniques on model-estimated hip contact forces or muscle forces. The review also discussed limitations in validation practices, as only 11 of the included studies conducted a validation and used qualitative approaches only. Given the lack of information related to model validation, additional details regarding the development and validation of generic models were retrieved from references and modeling software documentation. To address the wide variability and under-reporting of data collection, data processing, and modeling methods highlighted in this review, we developed a template that researchers can complete and include as a table within the methodology section of their manuscripts. The use of this table will help increase transparency and reporting of essential details related to reproducibility and methods without being limited by word count restrictions. Overall, this review provides a comprehensive synthesis of modeling approaches that can help researchers make modeling decisions and evaluate existing literature.
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Affiliation(s)
- Margaret S. Harrington
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
| | - Stefania D.F. Di Leo
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
| | - Courtney A. Hlady
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - Timothy A. Burkhart
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
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Rao RP, Sara LK, Perkins ZE, Dwyer MK, Lewis CL. Females with hip pain walk with altered kinematics at peaks and throughout the gait cycle. Clin Biomech (Bristol, Avon) 2024; 118:106314. [PMID: 39111115 DOI: 10.1016/j.clinbiomech.2024.106314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 06/25/2024] [Accepted: 07/19/2024] [Indexed: 08/18/2024]
Abstract
BACKGROUND Females with acetabular dysplasia and/or labral tears (hip pain) exhibit altered walking kinematics, with studies reporting mixed results in sagittal and frontal planes compared to pain-free controls, often conducting only discrete analyses and warranting further investigation. The objective of this study was to investigate discrete and continuous hip and pelvic kinematics between females with and without hip pain in two walking conditions. METHODS We collected kinematic walking data from 69 females (35 with hip pain, 34 controls) using motion capture and an instrumented treadmill in two conditions: preferred and fast (125% preferred). We used a general linear model and one-dimensional statistical parametric mapping to conduct discrete and continuous analyses comparing kinematics between groups, with and without adjustment for gait speed. FINDINGS The hip pain group walked with reduced peak hip extension (Preferred: P = .046, Cohen's d = 0.41; Fast: P = .028, d = 0.48) and greater peak anterior pelvic tilt (Preferred: P = .011, d = 0.57; Fast: P = .012, d = 0.58) compared to controls. From continuous analyses, the hip pain group walked with reduced hip extension during terminal stance (Fast: P = .040), greater anterior pelvic tilt throughout (Preferred: P = .007; Fast: P = .004), and greater contralateral pelvic drop (Preferred: P = .045) during midstance. Adjusting for speed slightly affected p-values, but significance was retained for all prior variables except pelvic drop. INTERPRETATION Kinematic differences between individuals with and without hip pain may provide insight into potential predisposing factors for hip pathology and/or compensations for pain or pathological processes. This work furthers understanding of altered movement patterns in individuals with hip pain and may inform physical therapy treatments.
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Affiliation(s)
- Ria P Rao
- Human Adaptation Lab, Sargent College of Health & Rehabilitation Sciences, Boston University, 635 Commonwealth Ave, Room 110, Boston, MA 02215, United States.
| | - Lauren K Sara
- Human Adaptation Lab, Sargent College of Health & Rehabilitation Sciences, Boston University, 635 Commonwealth Ave, Room 110, Boston, MA 02215, United States.
| | - Zoe E Perkins
- Human Adaptation Lab, Sargent College of Health & Rehabilitation Sciences, Boston University, 635 Commonwealth Ave, Room 110, Boston, MA 02215, United States.
| | - Maureen K Dwyer
- Newton-Wellesley Hospital, 2014 Washington St, Newton, MA 02462, United States.
| | - Cara L Lewis
- Human Adaptation Lab, Sargent College of Health & Rehabilitation Sciences, Boston University, 635 Commonwealth Ave, Room 110, Boston, MA 02215, United States.
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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] [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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Harrington MS, Burkhart TA. Validation of a musculoskeletal model to investigate hip joint mechanics in response to dynamic multiplanar tasks. J Biomech 2023; 158:111767. [PMID: 37604097 DOI: 10.1016/j.jbiomech.2023.111767] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/10/2023] [Accepted: 08/11/2023] [Indexed: 08/23/2023]
Abstract
Existing hip-focused musculoskeletal (MSK) models are limited by the hip range of motion, hip musculature detail, or have only been qualitatively validated. The purposes of this study were to: i) modify the existing 2396Hip MSK model to simulate dynamic tasks with multiplanar hip joint motion; and ii) validate the modified MSK model quantitatively against experimental data. Experimental data was collected from five healthy adults (age = 25 [6] years, two females) during eight movement tasks. The motion and ground reaction force data were input into the MSK modeling software OpenSim to calculate muscle activations and hip contact forces (HCFs). The HCFs were compared to experimental HCFs previously measured in total hip arthroplasty (THA) patients using instrumented hip prostheses. A gait simulation was performed using data from one THA patient to directly assess the model's accuracy in estimating HCFs. The young adults' modeled and experimental muscle activations for seven muscles were compared using a cross-correlation function. The model only overestimated the peak resultant HCFs by 0.06-0.08 N/BW compared to the experimentally measured HCFs of the THA patient. The young adults' HCFs were over two standard deviations higher than previously measured in the THA patients, which is likely a result of different movement patterns. The correlation coefficients indicated strong correlations between experimental and modeled muscle activations in 50 of the 56 comparisons. The results of this study suggest the new MSK model is an appropriate method to quantify HCFs and muscle activations in response to dynamic, multiplanar tasks among young, healthy adults.
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Affiliation(s)
- Margaret S Harrington
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
| | - Timothy A Burkhart
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada.
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Song K, Pascual-Garrido C, Clohisy JC, Harris MD. Elevated loading at the posterior acetabular edge of dysplastic hips during double-legged squat. J Orthop Res 2022; 40:2147-2155. [PMID: 35015910 PMCID: PMC9271518 DOI: 10.1002/jor.25249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 11/17/2021] [Accepted: 12/19/2021] [Indexed: 02/04/2023]
Abstract
Hips with developmental dysplasia (DDH) are at a heightened risk of premature hip osteoarthritis, which is often expedited by mechanically induced articular tissue damage. A prevalent form of damage in DDH is labral tears caused by abnormal loading at the shallow acetabular edge. Although the majority of reported DDH-related labral tears occur in the antero-superior acetabulum, posterior labral tears are prevalent in individuals whose lifestyle involves frequent high hip flexion tasks such as squatting. To better understand region-specific risks for chondrolabral damage during high hip flexion, we used image-based musculoskeletal models to compare acetabular edge loading (AEL) during double-legged squat between hips with symptomatic DDH (n = 10) and healthy controls (n = 10). Compared to controls, hips with DDH had higher instantaneous posterior AEL at the lowest point of squat (2.6 vs. 1.8 ×BW, p ≤ 0.04), and higher accumulative loading across the duration of the squatting motion (2.6 vs. 1.9 ×BW*s, p ≤ 0.04). Elevated posterior AEL coincided with increased net hip extension moments and posterior joint reaction forces, and was correlated with the severity of DDH acetabular deformity. Our findings suggest that posterior AEL is elevated in hips with symptomatic DDH during double-legged squat, which may contribute to chondrolabral damage in individuals who often perform such high hip flexion tasks. Clinical evaluation of DDH should consider patient-specific anatomy and lifestyle factors when establishing diagnoses and planning personalized treatment.
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Affiliation(s)
- Ke Song
- Movement Science Research Center, Program in Physical Therapy, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Cecilia Pascual-Garrido
- Department of Orthopaedic Surgery, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
| | - John C. Clohisy
- Department of Orthopaedic Surgery, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
| | - Michael D. Harris
- Movement Science Research Center, Program in Physical Therapy, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, Missouri, USA
- Department of Orthopaedic Surgery, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
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Harris MD, Shepherd MC, Song K, Gaffney BM, Hillen TJ, Harris-Hayes M, Clohisy JC. The biomechanical disadvantage of dysplastic hips. J Orthop Res 2022; 40:1387-1396. [PMID: 34415648 PMCID: PMC8858333 DOI: 10.1002/jor.25165] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 06/02/2021] [Accepted: 07/30/2021] [Indexed: 02/04/2023]
Abstract
Developmental dysplasia of the hip (DDH) is strongly associated with an increased risk for hip osteoarthritis. Skeletal deformities undeniably contribute to detrimental biomechanical loading in dysplastic hips, but cannot explain all types of damage and symptoms that patients with DDH experience. Characterizing the geometry and function of the muscles spanning the hip is a logical next step in our progression of knowledge about DDH pathomechanics. In this study, we compared skeletal geometry, muscle volumes, intramuscular fatty infiltration, moment arms, and isometric strength in patients with DDH (N = 20) to healthy controls (N = 15). Femoral coverage was significantly less in patients (p < 0.001, Cohen's d effect size = 2.2), femoral neck-shaft angles were larger (p = 0.001, d = 1.3), and hip joint centers (HJCs) were more lateral (p = 0.001, d = 1.3). These skeletal abnormalities were associated with smaller abductor muscle moment arms in patients with DDH (e.g., gluteus medius [GMED]: p = 0.001, d = 1.2). Patients with DDH also had larger GMED volumes (p = 0.02, d = 0.83), but no differences in fatty infiltration, compared to controls. Isometric strength of the hip abductors, extensors, and flexors was lower in patients, but not significantly different from controls. The abnormal skeletal geometry, lateralized HJC, and reduced muscle moment arms represent a chronic biomechanical disadvantage under which patients with DDH operate. This phenomenon causes increased demand on the abductor muscles and results in high medially and superiorly directed joint reaction forces, which can explain reports of superomedial femoral cartilage damage in patients. The abnormal muscle geometry and function, in context with abnormal skeletal structure, are likely strong, but underappreciated, contributors to damaging loads in DDH.
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Affiliation(s)
- Michael D. Harris
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO,Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO,Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO
| | - Molly C. Shepherd
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO
| | - Ke Song
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO
| | - Brecca M.M. Gaffney
- Department of Mechanical Engineering, University of Colorado-Denver, Denver, CO
| | - Travis J. Hillen
- Department of Radiology, Washington University School of Medicine, St. Louis, MO
| | - Marcie Harris-Hayes
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO,Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO
| | - John C. Clohisy
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO
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Osteoarthritis year in review 2021: mechanics. Osteoarthritis Cartilage 2022; 30:663-670. [PMID: 35081453 DOI: 10.1016/j.joca.2021.12.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/09/2021] [Accepted: 12/01/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) has a complex, heterogeneous and only partly understood etiology. There is a definite role of joint cartilage pathomechanics in originating and progressing of the disease. Although it is still not identified precisely enough to design or select targeted treatments, the progress of this year's research demonstrates that this goal became much closer. On multiple scales - tissue, joint and whole body - an increasing number of studies were done, with impressive results. (1) Technology based instrument innovations, especially when combined with machine learning models, have broadened the applicability of biomechanics. (2) Combinations with imaging make biomechanics much more precise & personalized. (3) The combination of Musculoskeletal & Finite Element Models yield valid personalized cartilage loads. (4) Mechanical outcomes are becoming increasingly meaningful to inform and evaluate treatments, including predictive power from biomechanical models. Since most recent advancements in the field of biomechanics in OA are at the level of a proof op principle, future research should not only continue on this successful path of innovation, but also aim to develop clinical workflows that would facilitate including precision biomechanics in large scale studies. Eventually this will yield clinical tools for decision making and a rationale for new therapies in OA.
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