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Agricola R, van Buuren MMA, Kemp JL, Weinans H, Runhaar J, Bierma-Zeinstra SMA. Femoroacetabular impingement syndrome in middle-aged individuals is strongly associated with the development of hip osteoarthritis within 10-year follow-up: a prospective cohort study (CHECK). Br J Sports Med 2024; 58:1061-1067. [PMID: 39074968 DOI: 10.1136/bjsports-2024-108222] [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] [Accepted: 06/26/2024] [Indexed: 07/31/2024]
Abstract
OBJECTIVE The objective is to determine the association and absolute risk of femoroacetabular impingement syndrome (FAIS) for the development of radiographic hip osteoarthritis (RHOA). METHODS This is a nationwide, multicentre prospective cohort study (Cohort Hip and Cohort Knee) with 1002 individuals aged between 45 and 65 years. Hips without definitive RHOA (Kellgren-Lawrence (KL) grade≤1) at baseline and with anteroposterior pelvic radiographs at baseline and 10-year follow-up available (n=1386 hips) were included. FAIS was defined by the baseline presence of a painful hip, limited internal hip rotation≤25° and cam morphology defined by an alpha angle>60°. The outcomes were incident RHOA (KL grade≥2 or total hip replacement (THR)) and incident end-stage RHOA (KL≥3 or THR) within 10 years. RESULTS Of the 1386 included hips (80% women; mean age 55.7±5.2 years), 21 hips fulfilled criteria for FAIS and 563 hips did not fulfil any of the FAIS criteria (reference group; no symptoms, no signs, no cam morphology). Within 10-year follow-up, 221 hips (38%) developed incident RHOA and 15 hips (3%) developed end-stage RHOA (including 9 hips with THR). Adjusted for sex, age and body mass index, FAIS with cam morphology resulted in an OR of 6.85 (95% CI 2.10 to 22.35) for incident RHOA and 47.82 (95% CI 12.51 to 182.76) for incident end-stage RHOA, compared with hips not having any FAIS criteria. The absolute risk of FAIS was 81% for incident RHOA and 33% for incident end-stage RHOA. CONCLUSION FAIS was strongly associated with the development of RHOA within 10 years. Although the baseline prevalence of FAIS was low, the high absolute risk of FAIS for RHOA warrants further studies to determine preventive strategies.
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Affiliation(s)
- Rintje Agricola
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Michiel M A van Buuren
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Joanne L Kemp
- Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
| | - Harrie Weinans
- Department of Orthopaedics, University Medical Centre Utrecht, Utrecht, The Netherlands
- Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands
| | - Jos Runhaar
- Department of General Practice, Erasmus Medical Center, Rotterdam, The Netherlands
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Dimitriou D, Meisterhans M, Geissmann M, Borpas P, Hoch A, Rosner J, Schubert M, Aguirre J, Eichenberger U, Zingg PO. The effect of experimentally induced gluteal muscle weakness on joint kinematics, reaction forces, and dynamic balance performance during deep bilateral squats. J Orthop Res 2024; 42:164-171. [PMID: 37309814 DOI: 10.1002/jor.25644] [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: 04/06/2023] [Revised: 05/19/2023] [Accepted: 05/26/2023] [Indexed: 06/14/2023]
Abstract
Squatting is a common daily activity and fundamental exercise in resistance training and closed kinetic chain programs. The aim of this study was to investigate the effects of an experimentally induced weakness of the gluteal muscles on joint kinematics, reactions forces (JRFs), and dynamic balance performance during deep bilateral squats in healthy young adults. Ten healthy adults received sequential blocks of (1) branch of the superior gluteal nerve to the tensor fasciae latae (SGNtfl) muscle, (2) superior gluteal nerve (SGN), and (3) inferior gluteal nerve (IGN) on the dominant right leg. At the control condition and following each block, the participants were instructed to perform deep bilateral squats standing on two force plates. Hip, knee, ankle, and pelvis kinematics did not differ significantly following iatrogenic weakness of gluteal muscles. The most important finding was the significant differences in JRFs following SGN and IGN block, with the affected hip, patellofemoral, and ankle joint demonstrating lower JRFs, whereas the contralateral joints demonstrated significantly higher JRFs, especially the patellofemoral joint which demonstrated an average maximum difference of 1.43 x body weight compared with the control condition. When performing a deep bilateral leg squat under SGN and IGN block, the subjects demonstrated an increased center of pressure (CoP) range and standard deviation (SD) in mediolateral compared with the control condition. These results imply that squat performance changes significantly following weakness of gluteal muscles and should be considered when assessing and training athletes or patients with these injuries.
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Affiliation(s)
- Dimitris Dimitriou
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Michel Meisterhans
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Marina Geissmann
- Swiss Center for Movement Analysis, Balgrist Campus AG, Zurich, Switzerland
| | - Paul Borpas
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Armando Hoch
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
| | - Jan Rosner
- Spinal Cord Injury Center, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Martin Schubert
- Spinal Cord Injury Center, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - José Aguirre
- Balgrist University Hospital, Department of Anesthesiology, Intensive Care and Pain Medicine, Balgrist University Hospital, Zurich, Switzerland
| | - Urs Eichenberger
- Balgrist University Hospital, Department of Anesthesiology, Intensive Care and Pain Medicine, Balgrist University Hospital, Zurich, Switzerland
| | - Patrick O Zingg
- Department of Orthopedics, University Hospital Balgrist, Zurich, Switzerland
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Adolf J, Segal Y, Turna M, Nováková T, Doležal J, Kutílek P, Hejda J, Hadar O, Lhotská L. Evaluation of functional tests performance using a camera-based and machine learning approach. PLoS One 2023; 18:e0288279. [PMID: 37922293 PMCID: PMC10624324 DOI: 10.1371/journal.pone.0288279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 06/24/2023] [Indexed: 11/05/2023] Open
Abstract
The objective of this study is to evaluate the performance of functional tests using a camera-based system and machine learning techniques. Specifically, we investigate whether OpenPose and any standard camera can be used to assess the quality of the Single Leg Squat Test and Step Down Test functional tests. We recorded these exercises performed by forty-six healthy subjects, extract motion data, and classify them to expert assessments by three independent physiotherapists using 15 binary parameters. We calculated ranges of movement in Keypoint-pair orientations, joint angles, and relative distances of the monitored segments and used machine learning algorithms to predict the physiotherapists' assessments. Our results show that the AdaBoost classifier achieved a specificity of 0.8, a sensitivity of 0.68, and an accuracy of 0.7. Our findings suggest that a camera-based system combined with machine learning algorithms can be a simple and inexpensive tool to assess the performance quality of functional tests.
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Affiliation(s)
- Jindřich Adolf
- Czech Institute of Informatics, Robotics and Cybernetics, Czech Technical University in Prague, Prague, Czech Republic
- Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic
| | - Yoram Segal
- BGU Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Matyáš Turna
- Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - Tereza Nováková
- Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - Jaromír Doležal
- Czech Institute of Informatics, Robotics and Cybernetics, Czech Technical University in Prague, Prague, Czech Republic
| | - Patrik Kutílek
- Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic
| | - Jan Hejda
- Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic
| | - Ofer Hadar
- BGU Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Lenka Lhotská
- Czech Institute of Informatics, Robotics and Cybernetics, Czech Technical University in Prague, Prague, Czech Republic
- Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic
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Marshall CJ, Ganderton C, Feltham A, El-Ansary D, Pranata A, O'Donnell J, Takla A, Tran P, Wickramasinghe N, Tirosh O. Smartphone Technology to Remotely Measure Postural Sway during Double- and Single-Leg Squats in Adults with Femoroacetabular Impingement and Those with No Hip Pain. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23115101. [PMID: 37299827 DOI: 10.3390/s23115101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 05/21/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND The COVID-19 pandemic has accelerated the demand for utilising telehealth as a major mode of healthcare delivery, with increasing interest in the use of tele-platforms for remote patient assessment. In this context, the use of smartphone technology to measure squat performance in people with and without femoroacetabular impingement (FAI) syndrome has not been reported yet. We developed a novel smartphone application, the TelePhysio app, which allows the clinician to remotely connect to the patient's device and measure their squat performance in real time using the smartphone inertial sensors. The aim of this study was to investigate the association and test-retest reliability of the TelePhysio app in measuring postural sway performance during a double-leg (DLS) and single-leg (SLS) squat task. In addition, the study investigated the ability of TelePhysio to detect differences in DLS and SLS performance between people with FAI and without hip pain. METHODS A total of 30 healthy (nfemales = 12) young adults and 10 adults (nfemales = 2) with diagnosed FAI syndrome participated in the study. Healthy participants performed DLS and SLS on force plates in our laboratory, and remotely in their homes using the TelePhysio smartphone application. Sway measurements were compared using the centre of pressure (CoP) and smartphone inertial sensor data. A total of 10 participants with FAI (nfemales = 2) performed the squat assessments remotely. Four sway measurements in each axis (x, y, and z) were computed from the TelePhysio inertial sensors: (1) average acceleration magnitude from the mean (aam), (2) root-mean-square acceleration (rms), (3) range acceleration (r), and (4) approximate entropy (apen), with lower values indicating that the movement is more regular, repetitive, and predictable. Differences in TelePhysio squat sway data were compared between DLS and SLS, and between healthy and FAI adults, using analysis of variance with significance set at 0.05. RESULTS The TelePhysio aam measurements on the x- and y-axes had significant large correlations with the CoP measurements (r = 0.56 and r = 0.71, respectively). The TelePhysio aam measurements demonstrated moderate to substantial between-session reliability values of 0.73 (95% CI 0.62-0.81), 0.85 (95% CI 0.79-0.91), and 0.73 (95% CI 0.62-0.82) for aamx, aamy, and aamz, respectively. The DLS of the FAI participants showed significantly lower aam and apen values in the medio-lateral direction compared to the healthy DLS, healthy SLS, and FAI SLS groups (aam = 0.13, 0.19, 0.29, and 0.29, respectively; and apen = 0.33, 0.45, 0.52, and 0.48, respectively). In the anterior-posterior direction, healthy DLS showed significantly greater aam values compared to the healthy SLS, FAI DLS, and FAI SLS groups (1.26, 0.61, 0.68, and 0.35, respectively). CONCLUSIONS The TelePhysio app is a valid and reliable method of measuring postural control during DLS and SLS tasks. The application is capable of distinguishing performance levels between DLS and SLS tasks, and between healthy and FAI young adults. The DLS task is sufficient to distinguish the level of performance between healthy and FAI adults. This study validates the use of smartphone technology as a tele-assessment clinical tool for remote squat assessment.
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Affiliation(s)
- Charlotte J Marshall
- School of Health Sciences, Swinburne University of Technology, Hawthorn 3122, Australia
| | - Charlotte Ganderton
- School of Health Sciences, Swinburne University of Technology, Hawthorn 3122, Australia
- School of Clinical Medicine, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Adam Feltham
- School of Health Sciences, Swinburne University of Technology, Hawthorn 3122, Australia
| | - Doa El-Ansary
- School of Clinical Medicine, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
- Department of Surgery, School of Medicine, University of Melbourne, Parkville 3052, Australia
- School of Health and Biomedical Sciences, RMIT University, Bundoora 3083, Australia
| | - Adrian Pranata
- School of Health Sciences, Swinburne University of Technology, Hawthorn 3122, Australia
- School of Clinical Medicine, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - John O'Donnell
- Hip Arthroscopy Australia, 21 Erin Street, Richmond 3121, Australia
| | - Amir Takla
- Hip Arthroscopy Australia, 21 Erin Street, Richmond 3121, Australia
| | - Phong Tran
- School of Health Sciences, Swinburne University of Technology, Hawthorn 3122, Australia
- Department of Surgery, School of Medicine, University of Melbourne, Parkville 3052, Australia
- Department of Orthopaedic Surgery, Western Health, Footscray Hospital, Footscray 3011, Australia
| | | | - Oren Tirosh
- School of Health Sciences, Swinburne University of Technology, Hawthorn 3122, Australia
- School of Clinical Medicine, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
- Department of Orthopaedic Surgery, Western Health, Footscray Hospital, Footscray 3011, Australia
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Choi M, Kim Y. Biomechanical Asymmetry of Strength and Dynamic Balance Kinetics in Middle-Ages with Adhesive Capsulitis of the Hip. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:13093. [PMID: 36293688 PMCID: PMC9603790 DOI: 10.3390/ijerph192013093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/01/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
The representative clinical features of adhesive capsulitis of the hip (ACH) are restricted range of motion (ROM) and pain. However, reports on kinetics such as strength and dynamic balance that explain physical functions are rare. This study compared subjective hip scores using Copenhagen Hip and Groin Outcome Score (HAGOS) and ROM using a manual goniometer as well as strength using isokinetic equipment, and dynamic balance through the Y-balance test, between patients with ACH and healthy individuals. Data of 193 middle-aged participants (men: 99 and women: 94) were analyzed. The ACH group scored significantly lower in all six HAGOS sub-sections. Hip joint flexion, abduction, internal and external rotation ROM were significantly lower in ACH compared to healthy group. These results were the same for men and women. In the strength of men and women, flexion, adduction, and abduction, and dynamic balance in all three directions were significantly decreased in ACH. Meanwhile, there were no significant between-group differences in the functional decrease in extension and adduction of ROM, and extension strength. In conclusion, subjective evaluation and dynamic balance of patients with ACH were decreased in the all parts. In ROM, flexion, abduction, internal rotation, and external rotation were restricted except for extension and adduction. Men and women with ACH maintained extensor strength, but had weakened strength in flexion, adduction and abduction. This information will be useful for therapists to understand the biomechanical properties of ACH and to design effective rehabilitation programs.
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Affiliation(s)
- Moonyoung Choi
- Department of Sports Science Convergence, Dongguk University, Seoul 04620, Korea
| | - Yonghwan Kim
- Department of Physical Education, Gangneung-Wonju National University, Gangneung 25457, Korea
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Characteristics of Biomechanical and Physical Function According to Symptomatic and Asymptomatic Acetabular Impingement Syndrome in Young Adults. Healthcare (Basel) 2022; 10:healthcare10081484. [PMID: 36011140 PMCID: PMC9408434 DOI: 10.3390/healthcare10081484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/29/2022] [Accepted: 08/05/2022] [Indexed: 11/17/2022] Open
Abstract
Femoroacetabular impingement (FAI) is caused by hip joint anomalies. Although asymptomatic and symptomatic FAI have been reported in young adults, information on biomechanical and functional characteristics of FAI is rare. We compared the subjective hip score, range of motion (ROM), dynamic balance, and hip strength between symptomatic FAI (FAIsym) and asymptomatic FAI (FAIasym) groups and healthy controls. Participants (n = 307; men: 155, women: 152) were classified according to morphological abnormalities and hip joint symptoms, comprising symptomatic FAI, asymptomatic FAI, and healthy controls. The Copenhagen Hip and Groin Outcome Score (HAGOS), hip ROM, Y-balance test (YBT), and isokinetic hip strength were measured. The types of FAI were not significantly differenent in both men and women. FAIsym exhibited significantly reduced HAGOS, whereas FAIasym showed no significant difference compared to the healthy group (men: healthy 91.7 vs. FAIasym 87.2 vs. FAIsym 49.9, women: healthy 91.7 vs. FAIasym 86.2 vs. FAIsym 53.9). Hip flexion, adduction, and internal and external rotation ROMs were only significantly reduced in symptomatic FAI. Asymptomatic and symptomatic FAI groups displayed significantly lower YBT scores than healthy controls (men healthy: 84.9 vs. FAIasym: 69.0 vs. FAIsym 58.7, women healthy 79.2 vs. FAIasym 64.0 vs. FAIsym 55.5). Isokinetic hip flexion, adduction, and abduction strengths were significantly lower in FAIsym. In conclusion, FAIasym showed no decrease in muscle strength but displayed reduced dynamic balance. Subjective satisfaction, ROM, muscle strength, and dynamic balance were lower in FAIsym compared to FAIasym and healthy groups.
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Retchford TH, Tucker KJ, Hart HF, Semciw AI, Weinrauch P, Grimaldi A, Cowan SM, Crossley KM, Kemp JL. No Difference in Hip Muscle Volumes and Fatty Infiltration in Those With Hip-Related Pain Compared to Controls. Int J Sports Phys Ther 2022; 17:851-862. [PMID: 35949368 PMCID: PMC9340835 DOI: 10.26603/001c.36528] [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: 11/30/2021] [Accepted: 04/09/2022] [Indexed: 11/18/2022] Open
Abstract
Background Little is known about muscle morphology in people with hip-related pain, without signs of femoro-acetabular impingement syndrome (FAIS). Identifying changes in hip muscle volume, fatty infiltrate and establishing relationships between muscle volume and strength, may provide insight into potential early treatment strategies. Purposes To: (i) compare the volumes and fatty infiltrate of gluteus maximus, gluteus medius, gluteus minimis, tensor fascia latae and quadratus femoris between symptomatic and less-symptomatic sides of participants with hip-related pain; (ii) compare the volumes and fatty infiltrate of hip muscles between healthy controls and symptomatic participants; and (iii) explore relationships of hip muscle volumes to muscle strength and patient-reported outcome measures in people with hip-related pain. Study Design Cross-sectional study. Methods Muscle volume and fatty infiltrate (from magnetic resonance imaging), hip muscle strength, patient-reported symptoms, function and quality of life (QOL) were determined for 16 participants with hip-related pain (no clinical signs of FAIS; 37±9 years) and 15 controls (31±9 years). Using One Way Analysis of Co-Variance tests, muscle volume and fatty infiltrate was compared between the symptomatic and less-symptomatic sides in participants with hip-related pain as well as between healthy controls and symptomatic participants. In addition, hip muscle volume was correlated with hip muscle strength, hip-reported symptoms, function and QOL. Results No differences in all the studied muscle volumes or fatty infiltrate were identified between the symptomatic and less-symptomatic hips of people with hip-related pain; or between people with and without hip-related pain. Greater GMED volume on the symptomatic side was associated with less symptoms and better function and QOL (ρ=0.522-0.617) for those with hip-related pain. Larger GMAX volume was associated with greater hip abduction and internal rotation strength, larger GMED volume was associated with greater hip extension strength, and larger QF volume was associated with greater hip abduction strength (rho=0.507-0.638). Conclusion People with hip-related pain and no clinical signs of FAIS have hip muscle volumes that are not significantly different than those of matched pain-free controls or their less-symptomatic hip. Larger GMED muscle volume was associated with fewer symptoms and greater strength. Level of evidence Level 3a.
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Affiliation(s)
| | | | - Harvi F Hart
- La Trobe University; Bone and Joint Institute, Western University
| | - Adam I Semciw
- La Trobe University; Northern Centre for Health, Education and Research- The Northern Hospital
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Jochimsen K, Brown-Taylor L, Perry J, Glaws K, Lewis C, Ryan J, Di Stasi S. Biomechanical measures of clinician-defined unsteadiness during a forward stepdown task in individuals post-arthroscopy for femoroacetabular impingement syndrome. Clin Biomech (Bristol, Avon) 2022; 93:105586. [PMID: 35219043 PMCID: PMC9520757 DOI: 10.1016/j.clinbiomech.2022.105586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 01/20/2022] [Accepted: 01/25/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Patients with femoroacetabular impingement syndrome can present with aberrant movement patterns including unsteady balance. Balance training is included in rehabilitation after hip arthroscopy and may improve quality of movement; however, specific biomechanical measures associated with clinician-defined balance impairments are unknown. We aimed to understand these associations as they may inform targeted rehabilitative interventions. METHODS The forward stepdown is a clinical test used to evaluate movement quality, including balance. 23 individuals at least one-year post-arthroscopy for femoroacetabular impingement syndrome and 15 healthy comparisons performed the forward stepdown, recorded by 3-dimensional motion capture and 2-dimensional video. Three physical therapists graded the 2-dimensional video for steadiness. Two-way analyses of variance were used to evaluate the interaction of group (post-arthroscopy/healthy comparison) by steadiness (steady/unsteady), for center of pressure medial-lateral excursion, center of pressure path length, and lateral trunk, pelvis, and lower extremity joint excursions. FINDINGS Six (26.1%) participants post-arthroscopy and five (33.3%) healthy comparisons were categorized as unsteady. The odds of being categorized as unsteady were not greater for participants post-arthroscopy (P = 0.72). There were no significant interactions; however, participants with clinician-defined unsteady balance, regardless of group, had significantly greater frontal plane trunk excursion, greater hip excursion, and greater center of pressure path length than those with steady balance (P ≤ 0.006). INTERPRETATION The odds of being categorized as unsteady were not greater for individuals post-arthroscopy for femoroacetabular impingement syndrome. Clinician-defined unsteadiness was associated with greater frontal plane trunk and hip motion which may be rehabilitation targets to improve balance during a dynamic single-leg task.
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Affiliation(s)
- K.N. Jochimsen
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, 2835 Fred Taylor Drive, Columbus, OH 43202, United States,Division of Physical Therapy, School of Health and Rehabilitation Sciences, The Ohio State University, 453 W. 10th Avenue, Columbus, OH 43210, United States,Corresponding author at: Division of Athletic Training, School of Medicine, West Virginia University, 1 Medical Center Drive, 8501B Health Sciences Center South, Morgantown, WV 26506-9225, United States. (K.N. Jochimsen)
| | - L. Brown-Taylor
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, 2835 Fred Taylor Drive, Columbus, OH 43202, United States,Division of Physical Therapy, School of Health and Rehabilitation Sciences, The Ohio State University, 453 W. 10th Avenue, Columbus, OH 43210, United States,Health and Rehabilitation Sciences Doctoral Program, School of Health and Rehabilitation Sciences, The Ohio State University, 453 W. 10th Avenue, Columbus, OH 43210, United States
| | - J. Perry
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, 2835 Fred Taylor Drive, Columbus, OH 43202, United States
| | - K. Glaws
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, 2835 Fred Taylor Drive, Columbus, OH 43202, United States
| | - C.L. Lewis
- Department of Physical Therapy and Athletic Training, Boston University, 635 Commonwealth Avenue, Boston, MA 02215, United States
| | - J. Ryan
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, 2835 Fred Taylor Drive, Columbus, OH 43202, United States,Department of Orthopaedics, The Ohio State University Wexner Medical Center, 370 W. 9th Avenue, Columbus, OH 43210, United States
| | - S. Di Stasi
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, 2835 Fred Taylor Drive, Columbus, OH 43202, United States,Division of Physical Therapy, School of Health and Rehabilitation Sciences, The Ohio State University, 453 W. 10th Avenue, Columbus, OH 43210, United States
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Disantis AE, Martin R. Movement System Dysfunction Applied to Youth and Young Adult Throwing Athletes. Int J Sports Phys Ther 2022; 17:90-103. [PMID: 35024209 PMCID: PMC8720247 DOI: 10.26603/001c.30022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/17/2021] [Indexed: 11/18/2022] Open
Abstract
Shoulder and elbow injuries in overhead athletes, especially baseball pitchers, have become more common and result in limited participation. Upper extremity injuries in baseball can occur secondary to high velocity repetitive loading at extreme ranges of motion causing microtrauma to the musculoskeletal structures. With the vast number of youth and young adult baseball players in the United States and the increasing number of throwing related injuries, it is crucial that clinicians can perform a movement system evaluation of the throwing motion. An adequate evaluation of the movement system as it relates to the throwing motion can provide insight into abnormal throwing mechanics and provide rationale for selecting appropriate interventions to address identified impairments that may lead to injury. The purpose of this clinical commentary is to present a recommended movement system evaluation that can be utilized during both pre-season and in-season to assess for modifiable injury risk factors in youth and young adult baseball players. LEVEL OF EVIDENCE 5.
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Affiliation(s)
| | - RobRoy Martin
- Department of Physical Therapy, Duquesne University; University of Pittsburgh Medical Center, Center for Sports Medicine
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Freke MD, King M, Crossley KM, Sims KJ, Semciw A. Acute and sub-acute changes in dynamic postural control following hip arthroscopy and post-operative rehabilitation.". J Athl Train 2021; 57:494-501. [PMID: 35696599 PMCID: PMC9205559 DOI: 10.4085/1062-6050-0709.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
CONTEXT Hip pain is associated with impairments in postural control and balance. The Star Excursion Balance Test (SEBT) is a reliable and valid method to measure dynamic postural control. OBJECTIVE Examine changes to dynamic postural control following hip arthroscopy and subsequent rehabilitation from pre-surgery to three and six months post arthroscopy. SETTING Sixty-seven individuals (47 men) scheduled for hip arthroscopy to address chondrolabral pathology were matched with sixty-seven healthy controls. The hip pain group underwent post-operative rehabilitation including SEBT training. MAIN OUTCOME MEASURES SEBT reach normalized to limb length was collected pre-surgery and at three and six months post surgery, and compared with healthy matched controls. Repeated measure analysis of variance (ANOVA) evaluated whether SEBT reach differed between the three time points and t-tests were used to evaluate between-limb and between-group differences. RESULTS Pre-surgical SEBT reach was significantly less than the control group in all directions (p<0.001). At three months post surgery, SEBT reach significantly increased in the posterior-lateral (PL) (p<0.001), anterior-lateral (AL) (p<0.001) and posterior-medial (PM) (p=0.006) directions from pre-surgery. At six months post surgery, all directions of reach had significantly increased (p<0.001) from baseline. Compared to the control group, AL (-2.5 %, p=0.038), anterior medial (AM) (-2.9%, p=0.019) and posterior-medial (PM) (-5.2%, p= 0.002) reach remained significantly less at six months post surgery. No significant difference existed between the control and surgical groups for reach in the PL (-3.6%, p=0.061) direction. CONCLUSIONS Pre-surgical dynamic balance control within a hip pain group was significantly poorer than matched controls as measured by the SEBT. At three months post hip arthroscopy, there were significant improvements in dynamic balance in the PM, PL and AL SEBT directions. By six months post surgery, all directions of SEBT reach had significantly improved but only PL reach improved to the level of healthy controls.
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Affiliation(s)
- Matthew D Freke
- 1Enoggera Health Centre, Gallipoli Barracks, Enoggera, Queensland.,3School of Health and Rehabilitation Sciences, University of Queensland. AUSTRALIA
| | - Matthew King
- 2School of Allied Health, College of Science, Health and Engineering, La Trobe University. AUSTRALIA
| | - Kay M Crossley
- 2School of Allied Health, College of Science, Health and Engineering, La Trobe University. AUSTRALIA
| | - Kevin J Sims
- 4Physiotherapist Cricket Australia and Physiotherapy, School of Health and Rehabilitation Sciences, University of Queensland. AUSTRALIA
| | - Adam Semciw
- 2School of Allied Health, College of Science, Health and Engineering, La Trobe University. AUSTRALIA.,3School of Health and Rehabilitation Sciences, University of Queensland. AUSTRALIA
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11
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Changes in Knee and Trunk Alignment in People With Hip Pain and Healthy Controls When Using a Decline Board During Single-Leg Squat. J Sport Rehabil 2020; 29:886-896. [DOI: 10.1123/jsr.2019-0097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 08/04/2019] [Accepted: 08/11/2019] [Indexed: 11/18/2022]
Abstract
Context: Hip pain is associated with reduced hip muscle strength, range of movement (ROM), and decreased postural stability. Single-leg squat is a reliable and valid method to measure dynamic balance. Objective: To evaluate the influence of physical characteristics and use of a decline board on squat performance in a hip pain population. Design: Cross-sectional study setting. Clinical Patients: In total, 33 individuals scheduled for arthroscopic hip surgery were matched with 33 healthy controls. Interventions: Hip and ankle ROM, hip strength, and trunk endurance were assessed, along with knee and trunk kinematics during squat on flat and 25° decline surfaces. Main Outcome Measures: Between-group and surface differences in alignment, between-group strength and ROM, and associations between alignment and physical characteristics were assessed and determined using mixed model analysis of variance and Pearson R. Results: The hip pain group had significantly less strength and ROM for all directions except abduction strength and ankle dorsiflexion (P > .02). No differences existed between the 2 groups for trunk (P < .70) or knee displacement (P < .46) during squat on either surface. When the 2 groups were combined (n = 66), decline squat significantly reduced knee medial displacement in both limbs by approximately 1 cm (P < .01). Decline squat reduced trunk lateral movement on 1 side only (P = .03). Reduced knee displacement during decline squat showed fair association with less hip-extension strength (r = −.29), hip-flexion strength (r = −.25), and less dorsiflexion (r = −.24). Strength and range were not associated with trunk displacement. Conclusions: Decline squat reduced medial knee and lateral trunk displacement regardless of hip pain. Reductions may be greater in those with lesser hip muscle strength and dorsiflexion. Use of a decline board during squat for improving knee and trunk alignment should be considered as a goal of exercise intervention.
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12
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Hoit G, Whelan DB, Dwyer T, Ajrawat P, Chahal J. Physiotherapy as an Initial Treatment Option for Femoroacetabular Impingement: A Systematic Review of the Literature and Meta-analysis of 5 Randomized Controlled Trials. Am J Sports Med 2020; 48:2042-2050. [PMID: 31774704 DOI: 10.1177/0363546519882668] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Femoroacetabular impingement is a common and debilitating source of hip pain in young adults. Although physiotherapy is used as a mainstay of nonoperative care for femoroacetabular impingement, the evidence regarding different physiotherapy practices is poorly understood. PURPOSE To collect and synthesize the best available evidence and arrive at a summary estimate of treatment effect for the utility of physiotherapy in the management of femoroacetabular impingement. STUDY DESIGN Meta-analysis. METHODS A systematic review was performed on February 2, 2019, of PubMed, EMBASE, and Cochrane Library databases using "femoroacetabular impingement OR hip pain" and "physiotherapy OR nonoperative management" and their synonyms as search terms. Central treatment themes were identified across protocols, and pooled analyses were conducted to assess for differences in patient-reported outcome measures across these themes. RESULTS A total of 5 randomized controlled trials met our inclusion criteria. The studies included 124 patients with a mean age of 35 years, of whom 24% were male. The average follow-up was 9.4 weeks (range, 6-12 weeks), and the follow-up rate across all participants was 86%. Among these 5 studies, 4 studies used a physiotherapy protocol that focused on core strengthening versus no core strengthening, 4 studies compared active strengthening versus passive modalities, and 3 studies compared supervised versus unsupervised physiotherapy. Pooled analysis across all studies demonstrated improved outcomes in the treatment groups compared with the controls (standardized mean difference [SMD], 0.76; 95% CI, 0.38-1.13; P < .0001). Core strengthening (SMD, 0.82; 95% CI, 0.39-1.26; P = .0002), active physiotherapy (SMD, 0.70; 95% CI, 0.29-1.10; P = .0008), and supervised physiotherapy (SMD, 0.58; 95% CI, 0.14-1.03; P = .01) were found to result in statistically significant improvements in functional outcomes compared with no core strengthening, passive modalities, and unsupervised care, respectively. CONCLUSION Supervised physiotherapy programs focusing on active strengthening and core strengthening are more effective than unsupervised, passive, and non-core focused programs. Future studies with longer term follow-up and validated femoroacetabular impingement specific outcome measures are required to determine prognostic factors for success with nonoperative care as well as to determine the ideal patient profile and structured rehabilitation protocol.
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Affiliation(s)
- Graeme Hoit
- University of Toronto Orthopaedic Sports Medicine (UTOSM), Women's College Hospital, Toronto, Ontario, Canada
| | - Daniel B Whelan
- University of Toronto Orthopaedic Sports Medicine (UTOSM), Women's College Hospital, Toronto, Ontario, Canada.,St Michael's Hospital, Toronto, Ontario, Canada
| | - Tim Dwyer
- University of Toronto Orthopaedic Sports Medicine (UTOSM), Women's College Hospital, Toronto, Ontario, Canada.,Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Prabjit Ajrawat
- University of Toronto Orthopaedic Sports Medicine (UTOSM), Women's College Hospital, Toronto, Ontario, Canada
| | - Jaskarndip Chahal
- University of Toronto Orthopaedic Sports Medicine (UTOSM), Women's College Hospital, Toronto, Ontario, Canada.,University Health Network, Toronto, Ontario, Canada
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13
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Mendis MD, Wilson SJ, Hayes DA, Hides JA. Hip muscle atrophy in patients with acetabular labral joint pathology. Clin Anat 2020; 33:538-544. [DOI: 10.1002/ca.23429] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 06/30/2019] [Indexed: 12/15/2022]
Affiliation(s)
- M. Dilani Mendis
- School of Allied Health SciencesGriffith University Brisbane Queensland Australia
- Physiotherapy DepartmentMater Health Services South Brisbane Queensland Australia
| | - Stephen J. Wilson
- School of Information Technology and Electrical EngineeringThe University of Queensland Brisbane Queensland Australia
| | - David A. Hayes
- Brisbane Orthopaedic & Sports Medicine Centre Brisbane Queensland Australia
| | - Julie A. Hides
- School of Allied Health SciencesGriffith University Brisbane Queensland Australia
- Mater Back Stability Research ClinicMater Health Services South Brisbane Queensland Australia
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14
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Kameda M, Tanimae H, Kihara A, Matsumoto F. Does low back pain or leg pain in gluteus medius syndrome contribute to lumbar degenerative disease and hip osteoarthritis and vice versa? A literature review. J Phys Ther Sci 2020; 32:173-191. [PMID: 32158082 PMCID: PMC7032979 DOI: 10.1589/jpts.32.173] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 11/07/2019] [Indexed: 12/11/2022] Open
Abstract
[Purpose] Gluteus medius syndrome is one of the major causes of back pain or leg pain
and is similar to greater trochanteric pain syndrome, which also presents with back pain
or leg pain. Greater trochanteric pain syndrome is associated with lumbar degenerative
disease and hip osteoarthritis. The objective of this review was to demonstrate gluteus
medius syndrome as a disease entity by reviewing relevant articles to elucidate the
condition. [Methods] Gluteus medius syndrome was defined as myofascial pain syndrome
arising from the gluteus medius. We performed a search of the literature using the
following keywords: “back pain”, “leg pain”, “greater trochanteric pain syndrome”,
“degenerative lumbar disease”, “hip osteoarthritis”, and “gluteus medius”. We reviewed
articles related to gluteus medius syndrome and described the findings in terms of
diagnosis and treatment based on the underlying pathology. [Results] A total of 135
articles were included in this review. Gluteus medius syndrome is similar as a disease
entity to greater trochanteric pain syndrome, which presents with symptoms of low back
pain and leg pain. Gluteus medius syndrome is also related to lumbar degenerative disease,
hip osteoarthritis, knee osteoarthritis, and failed back surgery syndrome. [Conclusion]
Accurate diagnosis of gluteus medius syndrome and appropriate treatment could possibly
improve lumbar degenerative disease and osteoarthritis of the hip and knee, as well as
hip-spine syndrome and failed back surgery syndrome.
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Affiliation(s)
- Masahiro Kameda
- Senshunkai Hospital: 2-14-26 Kaiden, Nagaokakyo, Kyoto 617-0826, Japan
| | | | - Akinori Kihara
- Kuretake Gakuen Clinical Research Institute of Oriental Medicine, Japan
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15
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McGovern RP, Martin RL, Phelps AL, Kivlan BR, Nickel B, Christoforetti JJ. Conservative management acutely improves functional movement and clinical outcomes in patients with pre-arthritic hip pain. J Hip Preserv Surg 2020; 7:95-102. [PMID: 32382435 PMCID: PMC7195924 DOI: 10.1093/jhps/hnz075] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/26/2019] [Accepted: 12/27/2019] [Indexed: 01/09/2023] Open
Abstract
Conservative management for individuals with pre-arthritic hip pain is commonly prescribed prior to consideration of surgical management. The purpose of this study is to determine if patients with pre-arthritic hip pain will improve their functional movement control and clinical outcome measures following the implementation of physical therapy and a home-exercise programme. Information was retrospectively collected on consecutive patients and included: demographics, diagnosis, initial and follow-up evaluation of the single leg squat test (SLST) and step-down test (SDT), and patient-reported outcome measures. An independent t-test and one-way analysis of covariance were performed for continuous patient-reported outcome measures and a Fisher’s exact test was performed for patient satisfaction. Forty-six patients (31 female and 15 male) diagnosed with pre-arthritic hip pain were included. A total of 30 patients improved their functional movement control during performance of the SLST, whereas 31 patients improved performance of the SDT. There was a statistically significant difference between patients that improved and did not improve (P ≤ 0.017). Patients with pre-arthritic hip pain who improved their functional movement control following a prescribed rehabilitation intervention are likely to report less pain and greater functional ability in their daily and sports-related activities. This study supports conservative management to acutely improve outcomes for patients with pre-arthritic hip pain.
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Affiliation(s)
- Ryan P McGovern
- Department of Orthopaedics and Sports Medicine, Texas Health Sports Medicine, Allegheny Health Network, 1120 Raintree Circle, Suite 280, Allen, TX 75013, USA
| | - RobRoy L Martin
- Department of Physical Therapy, Duquesne University, University of Pittsburgh Center for Sports Medicine, 600 Forbes Ave., Pittsburgh, PA 15282, USA
| | - Amy L Phelps
- Palumbo Donahue School of Business, Duquesne University, 600 Forbes Ave., Pittsburgh, PA 15282, USA
| | - Benjamin R Kivlan
- Department of Physical Therapy, Duquesne University, 600 Forbes Ave., Pittsburgh, PA 15282, USA
| | - Beth Nickel
- Department of Orthopaedic Surgery, Allegheny Health Network, 4800 Friendship Avenue, Pittsburgh, PA 15224, USA
| | - John J Christoforetti
- Department of Orthopaedics and Sports Medicine, Texas Health Sports Medicine, Allegheny Health Network, 1120 Raintree Circle, Suite 280, Allen, TX 75013, USA
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16
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Dwyer T, Whelan D, Shah PS, Ajrawat P, Hoit G, Chahal J. Operative Versus Nonoperative Treatment of Femoroacetabular Impingement Syndrome: A Meta-analysis of Short-Term Outcomes. Arthroscopy 2020; 36:263-273. [PMID: 31864588 DOI: 10.1016/j.arthro.2019.07.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 07/10/2019] [Accepted: 07/16/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To compare the outcomes of patients with femoroacetabular impingement (FAI) syndrome treated with hip arthroscopy versus those treated with physical therapy alone. METHODS The PubMed, Embase, and Cochrane Library databases were searched from inception to February 15, 2019. All randomized controlled trials (RCTs) that compared operative versus nonoperative treatment in the management of FAI for a minimum 6-month follow-up period were included. The primary outcome was the International Hip Outcome Tool 33. The CLEAR NPT (Checklist to Evaluate a Report of a Nonpharmacological Trial) was used to evaluate the methodologic quality of included studies. RESULTS Three RCTs (Level I) were included with a total of 650 patients (323 randomized to surgery and 327 randomized to physical therapy), follow-rate of 90% (583 patients, 295 operative and 288 nonoperative), and average of 11.5 months' follow-up. Regarding participation, 222 of 350 patients (63%) in the FAIT (Femoroacetabular Impingement Trial) study, 348 of 648 (54%) in the FASHIoN (Full UK RCT of Arthroscopic Surgery for Hip Impingement Versus Best Conservative Care) study, and 80 of 104 (77%) in the study by Mansell et al. agreed to participate. The mean age was 35 years, and 51.5% of patients were male patients. All 3 RCTs represented high methodologic quality and a low risk of bias. The frequency-weighted mean follow-up period was 10 months. A meta-analysis of the 3 randomized trials showed that patients treated with operative management had improved preoperative-to-postoperative change scores on the International Hip Outcome Tool 33 compared with the nonoperative group (standardized mean difference, 3.46; 95% confidence interval, 0.07-6.86; P < .05). One study reported on the achievement of clinically relevant outcomes at the individual level, with 51% of the operative group and 32% of the nonoperative group achieving the minimal clinically important difference and with 48% and 19%, respectively, achieving the patient acceptable symptomatic state for the Hip Outcome Score-Activities of Daily Living. CONCLUSIONS The results of this meta-analysis show that patients with FAI syndrome treated with hip arthroscopy have statistically superior hip-related outcomes in the short term compared with those treated with physical therapy alone. LEVEL OF EVIDENCE Level I, meta-analysis of Level I RCTs.
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Affiliation(s)
- Tim Dwyer
- Young Adult Hip Innovation Program, University of Toronto Orthopaedic Sports Medicine, Women's College Hospital, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada; Department of Paediatrics, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada.
| | - Daniel Whelan
- Young Adult Hip Innovation Program, University of Toronto Orthopaedic Sports Medicine, Women's College Hospital, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Prakesh S Shah
- Department of Paediatrics, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada; University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Prabjit Ajrawat
- Young Adult Hip Innovation Program, University of Toronto Orthopaedic Sports Medicine, Women's College Hospital, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Graeme Hoit
- Young Adult Hip Innovation Program, University of Toronto Orthopaedic Sports Medicine, Women's College Hospital, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Jaskarndip Chahal
- Young Adult Hip Innovation Program, University of Toronto Orthopaedic Sports Medicine, Women's College Hospital, University of Toronto, and Mount Sinai Hospital, Toronto, Ontario, Canada
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17
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Kemp JL, Risberg MA, Mosler A, Harris-Hayes M, Serner A, Moksnes H, Bloom N, Crossley KM, Gojanovic B, Hunt MA, Ishøi L, Mathieu N, Mayes S, Scholes MJ, Gimpel M, Friedman D, Ageberg E, Agricola R, Casartelli NC, Diamond LE, Dijkstra HP, Di Stasi S, Drew M, Freke M, Griffin D, Heerey J, Hölmich P, Impellizzeri FM, Jones DM, Kassarjian A, Khan KM, King MG, Lawrenson PR, Leunig M, Lewis CL, Warholm KM, Reiman MP, Semciw A, Thorborg K, van Klij P, Wörner T, Bizzini M. Physiotherapist-led treatment for young to middle-aged active adults with hip-related pain: consensus recommendations from the International Hip-related Pain Research Network, Zurich 2018. Br J Sports Med 2019; 54:504-511. [PMID: 31732651 DOI: 10.1136/bjsports-2019-101458] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2019] [Indexed: 11/04/2022]
Abstract
The 1st International Hip-related Pain Research Network meeting discussed four prioritised themes concerning hip-related pain in young to middle-aged adults: (1) diagnosis and classification of hip-related pain; (2) patient-reported outcome measures for hip-related pain; (3) measurement of physical capacity for hip-related pain; (4) physiotherapist-led treatment for hip-related pain. Thirty-eight expert researchers and clinicians working in the field of hip-related pain attended the meeting. This manuscript relates to the theme of physiotherapist-led treatments for hip-related pain. A systematic review on the efficacy of physiotherapist-led interventions for hip-related pain (published separately) was conducted and found that strong evidence for physiotherapist-led treatments was lacking. Prior to the meeting, draft consensus recommendations for consideration in the meeting were also developed based on the systematic review. The draft consensus recommendations were presented to all of the meeting participants via email, at least 1 week prior to the meeting. At the meeting, these recommendations were discussed, revised and voted on. Six recommendations for clinical practice and five recommendations for research were included and all gained consensus. Recommendations for clinical practice were that (i) Exercise-based treatments are recommended for people with hip-related pain. (ii) Exercise-based treatment should be at least 3 months duration. (iii) Physiotherapist-led rehabilitation after hip surgery should be undertaken. (iv) Patient-reported outcome measures, measures of physical impairment and measures of psychosocial factors should be used to monitor response to treatment. (v) Physical activity (that may include sport) is recommended for people with hip-related pain. (vi) Clinicians should discuss patient expectations, use shared-decision making and provide education. Recommendations for research were (i) Reporting of exercise programmes: Exercise descriptors such as load magnitude, number of repetitions and sets, duration of whole programme, duration of contractile element of exercise, duration of one repetition, time under tension, rest between repetitions, range of motion through which the exercise is performed, and rest between exercise sessions should be reported. (ii) Research should investigate the optimal frequency, intensity, time, type, volume and progression of exercise therapy. (iii) Research should examine the effect of patient education in people with hip-related pain. (iv) Research should investigate the effect of other treatments used in people with hip-related pain (for example: manual therapy, medications, injections). (v) Research should examine the impact of comorbidities and social determinants on treatment effectiveness in people with hip-related pain. Clinicians and researchers working with young to middle-aged active adults with hip-related pain may use these consensus recommendations to guide, develop, test and implement individualised, evidence-based physiotherapist-led rehabilitation programmes.
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Affiliation(s)
- Joanne L Kemp
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - May Arna Risberg
- Department of Sport Medicine, Norwegian School of Sport Sciences, Oslo, Norway.,Division of Orthopedic Surgery, Oslo University Hospital, Oslo, Norway
| | - Andrea Mosler
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Marcie Harris-Hayes
- Physical Therapy, Washington University School of Medicine in Saint Louis, Saint Louis, Missouri, USA.,Orthopaedic Surgery, Washington University School of Medicine in Saint Louis, Saint Louis, Missouri, USA
| | - Andreas Serner
- Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | | | - Nancy Bloom
- Physical Therapy, Washington University School of Medicine in Saint Louis, Saint Louis, Missouri, USA.,Orthopaedic Surgery, Washington University School of Medicine in Saint Louis, Saint Louis, Missouri, USA
| | - Kay M Crossley
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Boris Gojanovic
- Swiss Olympic Medical Center, Hopital de la Tour, Meyrin, Geneva, Switzerland.,SportAdo consultation, University Hospital of Lausanne (CHUV) Multidisciplinary Unit of Adolescent Health, Lausanne, Switzerland
| | - Michael A Hunt
- Department of Physical Therapy, University of British Columbia, Vancouver, British Columbia, Canada
| | - Lasse Ishøi
- Sports Orthopaedic Research Center-Copenhagen (SORC-C), Department of Orthopedic Surgery, Copenhagen University Hospital, Amager-Hvidovre, Denmark
| | - Nicolas Mathieu
- Physiotherapy, HES-SO Valais, University of Applied Sciences Western Switzerland, Leukerbad, Valais, Switzerland
| | - Sue Mayes
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia.,The Australian Ballet, Southbank, Victoria, Australia
| | - Mark J Scholes
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Mo Gimpel
- Performance Science, Southampton Football Club, Southampton, Hampshire, UK
| | - Daniel Friedman
- Monash School of Medicine, Monash University, Melbourne, Victoria, Australia
| | - Eva Ageberg
- Department of Health Sciences, Lund University, Lund, Sweden
| | - Rintje Agricola
- Department of Orthopaedic Surgery, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Nicola C Casartelli
- Human Performance Lab, Schulthess Clinic, Zurich, Switzerland.,Laboratory of Exercise and Health, ETH Zurich, Schwerzenbach, Switzerland
| | - Laura E Diamond
- Griffith Centre of Biomedical and Rehabilitation Engineering (GCORE, Menzies Health Institute Queensland Griffith University, School of Allied Health Sciences, Gold Coast, Queensland, Australia
| | - H Paul Dijkstra
- Department for Continuing Education, University of Oxford, Oxford, Oxfordshire, UK.,Aspetar Sports Medicine Hospital, Doha, Qatar
| | - Stephanie Di Stasi
- Division of Physical Therapy, The Ohio State Univesity, Columbus, Ohio, USA
| | - Michael Drew
- University of Canberra Research into Sport and Exercise (UCRISE), University of Canberra, Canberra, Australian Capital Territory, Australia
| | - Matthew Freke
- School of Health & Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Damian Griffin
- Warwick Orthopaedics, University of Warwick, Coventry, Warwick, UK
| | - Joshua Heerey
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Per Hölmich
- Sports Orthopaedic Research Center-Copenhagen (SORC-C), Department of Orthopedic Surgery, Copenhagen University Hospital, Amager-Hvidovre, Denmark
| | - Franco M Impellizzeri
- Faculty of Health, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Denise M Jones
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Ara Kassarjian
- Musculoskeletal Radiology, Corades, LLC, Brookline, Massachusetts, USA.,Musculoskeletal Radiology, Elite Sports Imaging, SL, Madrid, Spain
| | - Karim M Khan
- Family Practice & Kinesiology, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Matthew G King
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Peter R Lawrenson
- School of Health & Rehabilitation Sciences, University of Queensland, Brisbane, Queensland, Australia
| | - Michael Leunig
- Department of Orthopaedics, Schulthess Klinik, Zurich, Switzerland
| | - Cara L Lewis
- Physical Therapy & Athletic Training, Boston University, Boston, Massachusetts, USA
| | | | - Michael P Reiman
- Orthopedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Adam Semciw
- La Trobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria, Australia
| | - Kristian Thorborg
- Sports Orthopaedic Research Center-Copenhagen (SORC-C), Department of Orthopedic Surgery, Copenhagen University Hospital, Amager-Hvidovre, Denmark
| | - Pim van Klij
- Department of Orthopaedic Surgery, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Tobias Wörner
- Department of Health Sciences, Lunds University, Lund, Sweden
| | - Mario Bizzini
- Schulthess Clinic Human Performance Lab, Zurich, Switzerland
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18
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Current trends in sport and exercise hip conditions: Intra-articular and extra-articular hip pain, with detailed focus on femoroacetabular impingement (FAI) syndrome. Best Pract Res Clin Rheumatol 2019; 33:66-87. [PMID: 31431276 DOI: 10.1016/j.berh.2019.02.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Musculoskeletal conditions, such as hip pain are leading causes of pain and disability. Hip pain is the second most common cause of lower limb musculoskeletal pain, and is commonly seen in active individuals. Hip and groin pain may have intra-articular and extra-articular causes. Femoroacetabular impingement (FAI) syndrome and the associated pathologies are common intra-articular causes of hip and groin pain in active individuals. There are also a number of extra-articular causes of pain, which include musculotendinous conditions, extra-articular impingements and the clinical entities of groin pain described in the Doha agreement. This chapter will describe these, with a detailed focus on FAI syndrome. Specifically, it addresses: 1. What is and what causes FAI syndrome; 2. How do I diagnose FAI syndrome; and 3. What is the evidence-based approach to managing FAI syndrome?
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19
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Effect of Single-Leg Squat Speed and Depth on Dynamic Postural Control Under Single-Task and Dual-Task Paradigms. J Appl Biomech 2019; 35:272-279. [PMID: 31034324 DOI: 10.1123/jab.2018-0327] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Although single-leg squats are a common dynamic balance clinical assessment, little is known about the relationship between parameters that influence squat movement and postural control performance. The objective of this study was to determine the relationships between squat parameters (speed and depth) and postural control under single task and dual task. A total of 30 healthy college students performed single-leg squats under single task and dual task with Stroop. Random-intercepts generalized linear mixed models determined the effect of squat parameters on center of pressure (CoP) parameters. For each 1-cm·s-1 increase in squat speed, sway range (mediolateral: β = -0.03; anteroposterior: β = -0.05) and area (β = -0.25) decreased, whereas sway speed (mediolateral: β = 0.05; anteroposterior: β = 0.29; total: β = 0.29) increased. For each 1-cm increase in squat depth, sway range (mediolateral: β = 0.05; anteroposterior: β = 0.20) and area (β = 0.72) increased, whereas sway speed (anteroposterior: β = -0.14; total: β = -0.14) decreased. Compared with single task, the association between total and anteroposterior sway speed and squat speed was stronger under dual task. Clinicians and researchers should consider monitoring squat speed and depth when assessing dynamic balance during single-leg squats, as these parameters influence postural control, especially under dual task.
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McGovern RP, Christoforetti JJ, Martin RL, Phelps AL, Kivlan BR. Evidence for Reliability and Validity of Functional Performance Testing in the Evaluation of Nonarthritic Hip Pain. J Athl Train 2019; 54:276-282. [PMID: 30829535 DOI: 10.4085/1062-6050-33-18] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
CONTEXT The single-legged-squat test (SLST) and step-down test (SDT) are 2 functional performance tests commonly used to evaluate active people with nonarthritic hip pain and dysfunction. However, evidence to support the use of the SLST and SDT in this population is lacking. OBJECTIVE To offer evidence of reliability and validity for the SLST and SDT in evaluating patients with nonarthritic hip pain. DESIGN Cross-sectional study. SETTING Orthopaedic surgeon's clinical office. PATIENTS OR OTHER PARTICIPANTS Forty-five patients (27 female and 18 male participants; age = 28.5 ± 10 years, height = 171.6 ± 10.1 cm, weight = 73.9 ± 15.2 kg, and body mass index = 25 ± 4.1) diagnosed with nonarthritic hip pain. MAIN OUTCOME MEASURE(S) Participants performed the SLST and SDT. Interrater reliability and validity of passive internal rotation of the hip, visual analog scale (VAS) scores, and hip outcome scores (HOSs) for limitations in activities of daily living and sport-related activities (SRAs) were collected. RESULTS Interrater reliability was moderate to excellent for both the SLST (0.603-0.939) and SDT (0.745-0.943). Participants who passed or failed the SLST and SDT differed on the following measures: VAS for the SLST (F1,43 = 16.21, P < .001); VAS for the SDT (F1,43 = 13.41, P = .001); HOS-activities of daily living for the SLST (F1,40 = 5.15, P = .029); HOS-SRAs for the SLST (F1,40 = 7.48, P = .009); and HOS-SRAs for the SDT (F1,40 = 6.42, P = .015). CONCLUSIONS Our study offers evidence for the use of the SLST and SDT as reliable and valid functional performance tests in the evaluation of physical function for patients with nonarthritic hip pain.
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Affiliation(s)
- Ryan P McGovern
- Rangos School of Health Sciences, Duquesne University, Pittsburgh, PA.,Allegheny Health Network, Pittsburgh, PA
| | - John J Christoforetti
- Allegheny Health Network, Pittsburgh, PA.,Drexel University School of Medicine, Philadelphia, PA.,Duquesne University, Pittsburgh, PA
| | - RobRoy L Martin
- Duquesne University, Pittsburgh, PA.,University of Pittsburgh Center for Sports Medicine, PA
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Warner MB, Wilson DA, Herrington L, Dixon S, Power C, Jones R, Heller MO, Carden P, Lewis CL. A systematic review of the discriminating biomechanical parameters during the single leg squat. Phys Ther Sport 2019; 36:78-91. [DOI: 10.1016/j.ptsp.2019.01.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 01/15/2019] [Accepted: 01/17/2019] [Indexed: 12/11/2022]
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Retchford TH, Tucker KJ, Weinrauch P, Cowan SM, Grimaldi A, Kemp JL, Crossley KM. Clinical features of people with hip-related pain, but no clinical signs of femoroacetabular impingement syndrome. Phys Ther Sport 2018; 34:201-207. [PMID: 30388668 DOI: 10.1016/j.ptsp.2018.10.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 10/15/2018] [Accepted: 10/15/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Identifying impairments in hip range of motion (ROM) and muscle strength in people with hip-related pain, without signs of femoro-acetabular impingement syndrome (FAIS). STUDY AIMS to determine if hip strength and ROM i) differs between the symptomatic and less-symptomatic hip of people with hip-related pain; and between people with hip-related pain and healthy controls; and ii) are associated with hip-related Quality of Life and pain. DESIGN Cross-sectional study. SETTING University laboratory. PARTICIPANTS Thirty participants with hip-related pain who were awaiting hip arthroscopy (22 women; age = 37 ± 10yrs), 32 healthy controls (19 women; age = 30 ± 10yrs). MAIN OUTCOME MEASURES Hip ROM, muscle strength, pain intensity and the Hip disability and Osteoarthritis Outcome Score (HOOS) were assessed. RESULTS Less hip flexion ROM (p = 0.004), and extension (p = 0.004), abduction (p = 0.001) and internal rotation (IR) (p = 0.048) strength were measured on the symptomatic compared to non-symptomatic side. Hip-related pain participants had lower hip abduction strength (p = 0.045), and less flexion (p < 0.001), IR (p = 0.027) and external rotation (ER) (p = 0.019) ROM compared to controls. Less ER ROM (p = 0.03-0.04), and greater abduction (p = 0.03-0.04) and adduction strength (p = 0.02) were associated with better patient reported outcome measures. CONCLUSIONS Specific impairments in hip ROM and strength were identified in people with hip-related pain but no FAIS.
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Affiliation(s)
- Timothy H Retchford
- University of Queensland, St Lucia, Brisbane, Australia; Charles Sturt University, Albury, New South Wales, Australia.
| | - Kylie J Tucker
- University of Queensland, St Lucia, Brisbane, Australia.
| | - Patrick Weinrauch
- Wesley Hospital, Auchenflower, Brisbane, Australia; Brisbane Hip Clinic, Wickham Terrace, Spring Hill, Brisbane, Australia.
| | - Sallie M Cowan
- Clifton Hill Physiotherapy, Queens Parade, Clifton Hill, Melbourne, Australia; University of Melbourne, Parkville, Melbourne, Australia.
| | - Alison Grimaldi
- University of Queensland, St Lucia, Brisbane, Australia; Physiotec Physiotherapy, Brisbane, Queensland, Australia.
| | - Joanne L Kemp
- La Trobe University, Plenty Road, Melbourne, Australia.
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Clark RA, Pua YH. SeeSway - A free web-based system for analysing and exploring standing balance data. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2018; 159:31-36. [PMID: 29650316 DOI: 10.1016/j.cmpb.2018.02.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 02/06/2018] [Accepted: 02/22/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND AND OBJECTIVES Computerised posturography can be used to assess standing balance, and can predict poor functional outcomes in many clinical populations. A key limitation is the disparate signal filtering and analysis techniques, with many methods requiring custom computer programs. This paper discusses the creation of a freely available web-based software program, SeeSway (www.rehabtools.org/seesway), which was designed to provide powerful tools for pre-processing, analysing and visualising standing balance data in an easy to use and platform independent website. METHODS SeeSway links an interactive web platform with file upload capability to software systems including LabVIEW, Matlab, Python and R to perform the data filtering, analysis and visualisation of standing balance data. Input data can consist of any signal that comprises an anterior-posterior and medial-lateral coordinate trace such as center of pressure or mass displacement. This allows it to be used with systems including criterion reference commercial force platforms and three dimensional motion analysis, smartphones, accelerometers and low-cost technology such as Nintendo Wii Balance Board and Microsoft Kinect. Filtering options include Butterworth, weighted and unweighted moving average, and discrete wavelet transforms. Analysis methods include standard techniques such as path length, amplitude, and root mean square in addition to less common but potentially promising methods such as sample entropy, detrended fluctuation analysis and multiresolution wavelet analysis. These data are visualised using scalograms, which chart the change in frequency content over time, scatterplots and standard line charts. This provides the user with a detailed understanding of their results, and how their different pre-processing and analysis method selections affect their findings. RESULTS An example of the data analysis techniques is provided in the paper, with graphical representation of how advanced analysis methods can better discriminate between someone with neurological impairment and a healthy control. CONCLUSIONS The goal of SeeSway is to provide a simple yet powerful educational and research tool to explore how standing balance is affected in aging and clinical populations.
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Affiliation(s)
- Ross A Clark
- School of Health and Sports Science, University of the Sunshine Coast, Australia.
| | - Yong-Hao Pua
- Department of Physiotherapy, Singapore General Hospital, Singapore
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Hip Musculoskeletal Conditions and Associated Factors That Influence Squat Performance: A Systematic Review. J Sport Rehabil 2018; 27:263-273. [PMID: 28290757 DOI: 10.1123/jsr.2016-0246] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
CONTEXT The squat is a fundamental movement for weightlifting and sports performance. Both unilateral and bilateral squats are also used to assess transitional and dynamic lower-extremity control. Common lower-extremity conditions can have an influence on squat performance. Of interest are the effects of hip musculoskeletal conditions and associated factors, such as hip muscle pain, fatigue, and tightness, on squat performance. Currently, there has been no appraisal of the evidence regarding the association of these conditions and associated factors on squat performance. OBJECTIVE This study evaluated the current evidence regarding common hip musculoskeletal conditions and associated factors, such as hip muscle pain, fatigue, and tightness, on squat performance. EVIDENCE ACQUISITION A systematic review was conducted according to preferred reporting items for systematic reviews and meta-analyses guidelines. A search of PubMed, CINAHL, SPORTDiscus, ProQuest, and Google Scholar® was conducted in October, 2016 using the following keywords alone and in combination: hip, joint, arthritis, pain, range of motion (ROM), fatigue, tightness, pathology, condition, muscle, intraarticular, extraarticular, femoroacetabular impingement, single leg, bilateral, squat, performance, and technique. The grading of studies was conducted using the Physiotherapy Evidence Database scale. EVIDENCE SYNTHESIS The authors identified 35 citations, 15 of which met the inclusion criteria. The qualifying studies yielded a total of 542 subjects (160 men and 382 women; mean age = 29.3 (5.9) y) and measured performance with either the barbell squat, step down, bilateral, or single-leg squat. Femoroacetabular impingement and hip arthroscopy were the only hip conditions found that affected the squat. Associated factors, such as muscle pain, fatigue, and tightness, also influenced squat performance. CONCLUSION This review found that common hip conditions and associated factors and their effects on squat performance to be underinvestigated. Future research should focus on the association between common hip conditions and squat performance.
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Deschamps K, Staes F, Eerdekens M, Peerlinck K, Hermans C, Vandesande J, Lobet S. Postural control during a transition task in haemophilic children, adolescents and young adults with haemophilic ankle arthropathy. Haemophilia 2018; 24:667-674. [DOI: 10.1111/hae.13484] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/11/2018] [Indexed: 11/27/2022]
Affiliation(s)
- K. Deschamps
- Department of Rehabilitation Sciences; Musculoskeletal Rehabilitation Research Group; KULeuven; Leuven (Heverlee) Belgium
- Division of Podiatry; Institut D'Enseignement; Supérieur Parnasse Deux-Alice; Sint-Lambrechts-Woluwe Belgium
- Department of Podiatry; Artevelde University College; Ghent Belgium
- Department of Physical Medicine; University Hospitals Leuven; Pellenberg Belgium
| | - F. Staes
- Department of Rehabilitation Sciences; Musculoskeletal Rehabilitation Research Group; KULeuven; Leuven (Heverlee) Belgium
| | - M. Eerdekens
- Department of Physical Medicine; University Hospitals Leuven; Pellenberg Belgium
| | - K. Peerlinck
- Department of Cardiovascular Sciences; Centre for Molecular and Vascular Biology; KULeuven; Leuven Belgium
| | - C. Hermans
- Service d'hématologie; Cliniques Universitaires Saint-Luc; Bruxelles Belgium
| | - J. Vandesande
- Department of Cardiovascular Sciences; Centre for Molecular and Vascular Biology; KULeuven; Leuven Belgium
| | - S. Lobet
- Service d'hématologie; Cliniques Universitaires Saint-Luc; Bruxelles Belgium
- Secteur des Sciences de la Santé; Institut de Recherche Expérimentale et Clinique; Neuromusculoskeletal Lab (NMSK); Université catholique de Louvain; Brussels Belgium
- Service de médecine physique et réadaptation; Cliniques universitaires Saint-Luc; Brussels Belgium
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Arthroscopic Surgical Procedures Versus Sham Surgery for Patients With Femoroacetabular Impingement and/or Labral Tears: Study Protocol for a Randomized Controlled Trial (HIPARTI) and a Prospective Cohort Study (HARP). J Orthop Sports Phys Ther 2018; 48:325-335. [PMID: 29607761 DOI: 10.2519/jospt.2018.7931] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design Study protocol for a randomized controlled trial and a prospective cohort. Background The number of arthroscopic surgical procedures for patients with femoroacetabular impingement syndrome (FAIS) has significantly increased worldwide, but high-quality evidence of the effect of such interventions is lacking. Objectives The primary objective will be to determine the efficacy of hip arthroscopic procedures compared to sham surgery on patient-reported outcomes for patients with FAIS (HIP ARThroscopy International [HIPARTI] Study). The secondary objective will be to evaluate prognostic factors for long-term outcome after arthroscopic surgical interventions in patients with FAIS (Hip ARthroscopy Prospective [HARP] Study). Methods The HIPARTI Study will include 140 patients and the HARP Study will include 100 patients. The international Hip Outcome Tool-33 will be the primary outcome measure at 1 year. Secondary outcome measures will be the Hip disability and Osteoarthritis Outcome Score, Arthritis Self-Efficacy Scale, fear of movement (Tampa Scale of Kinesiophobia), Patient-Specific Functional Scale, global rating of change score, and expectations. Other outcomes will include active hip range of motion, hip muscle strength tests, functional performance tests, as well as radiological assessments using radiographs and magnetic resonance imaging. Conclusion To determine the true effect of surgery, beyond that of placebo, double-blinded placebo-controlled trials including sham surgery are needed. The HIPARTI Study will direct future evidence-based treatment of FAIS. Predictors for long-term development and progression of degenerative changes in the hip are also needed for this young patient group with FAIS; hence, responders and nonresponders to treatment could be determined. J Orthop Sports Phys Ther 2018;48(4):325-335. doi:10.2519/jospt.2018.7931.
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The Physiotherapy for Femoroacetabular Impingement Rehabilitation STudy (physioFIRST): A Pilot Randomized Controlled Trial. J Orthop Sports Phys Ther 2018; 48:307-315. [PMID: 29607766 DOI: 10.2519/jospt.2018.7941] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design A pilot double-blind randomized controlled trial (RCT). Background The effectiveness of physical therapy for femoroacetabular impingement syndrome (FAIS) is unknown. Objectives To determine the feasibility of an RCT investigating the effectiveness of a physical therapy intervention for FAIS. Methods Participants were 17 women and 7 men (mean ± SD age, 37 ± 8 years; body mass index, 25.4 ± 3.4 kg/m2) with FAIS who received physical therapy interventions provided over 12 weeks. The FAIS-specific physical therapy group received personalized progressive strengthening and functional retraining. The control group received standardized stretching exercises. In addition, both groups received manual therapy, progressive physical activity, and education. The primary outcome was feasibility, including integrity of the protocol, recruitment and retention, outcome measures, randomization procedure, and sample-size estimate. Secondary outcomes included hip pain and function (international Hip Outcome Tool-33 [iHOT-33]) and hip muscle strength. Poststudy interviews were conducted to determine potential improvements for future studies. Results Twenty-four (100%) patients with known eligibility agreed to participate. Four patients (17%) were lost to follow-up. All participants and the tester remained blinded, and the control intervention was acceptable to participants. The between-group mean differences in change scores were 16 (95% confidence interval [CI]: -9, 38) for the iHOT-33 and 0.24 (95% CI: 0.02, 0.47) Nm/kg for hip adduction strength, favoring the FAIS-specific physical therapy group. Using an effect size of 0.61, between-group improvements for the iHOT-33 suggest that 144 participants are required for a full-scale RCT. Conclusion A full-scale RCT of physical therapy for FAIS is feasible. A FAIS-specific physical therapy program has the potential for a moderate to large positive effect on hip pain, function, and hip adductor strength. Level of Evidence Therapy, level 2b. J Orthop Sports Phys Ther 2018;48(4):307-315. doi:10.2519/jospt.2018.7941.
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Hip Strength and Range of Movement Are Associated With Dynamic Postural Control Performance in Individuals Scheduled for Arthroscopic Hip Surgery. J Orthop Sports Phys Ther 2018; 48:280-288. [PMID: 29607762 DOI: 10.2519/jospt.2018.7946] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design Cross-sectional. Background Hip pain is associated with reduced muscle strength and range of movement (ROM). These impairments may contribute to decreased postural stability and balance. The Star Excursion Balance Test (SEBT) is a reliable and valid method to measure dynamic postural control. Objectives To evaluate the association between SEBT performance and hip strength, hip ROM, trunk endurance, and group characteristics in individuals with hip pain. Methods One hundred eleven individuals with hip pain, scheduled for arthroscopic hip surgery, were matched with 62 healthy controls. Hip ROM and muscle strength, trunk endurance, and SEBT reach were measured prior to surgery. Data were analyzed for between-group differences using t tests, and associations between SEBT reach and hip strength, hip ROM, and population characteristics were evaluated with Pearson correlation coefficients and stepwise backward regression analyses. Results Star Excursion Balance Test performance (P<.01), hip strength (P<.01), and hip ROM (P<.05) were lower in the presurgery group compared to controls. In the presurgery group, when adjusted for height and weight, hip flexion strength and internal rotation ROM accounted for 44% of the variance in anteromedial SEBT reach. In the posteromedial direction, hip adduction strength and sex accounted for 53% of the variance. For the posterolateral direction, hip adduction and internal rotation strength accounted for 46% of reach variance. Conclusion The individuals who were scheduled for arthroscopic hip surgery were significantly weaker, had less hip mobility, and had reduced dynamic balance compared to controls. In this population, dynamic balance performance was associated with various hip strength and ROM measurements in a direction-specific manner. J Orthop Sports Phys Ther 2018;48(4):280-288. doi:10.2519/jospt.2018.7946.
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A pilot randomised clinical trial of physiotherapy (manual therapy, exercise, and education) for early-onset hip osteoarthritis post-hip arthroscopy. Pilot Feasibility Stud 2017; 4:16. [PMID: 28694995 PMCID: PMC5500950 DOI: 10.1186/s40814-017-0157-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 06/14/2017] [Indexed: 11/29/2022] Open
Abstract
Background Despite the increasing use of hip arthroscopy for hip pain, there is no level 1 evidence to support physiotherapy rehabilitation programs following this procedure. The aims of this study were to determine (i) what is the feasibility of a randomised controlled trial (RCT) investigating a targeted physiotherapy intervention for early-onset hip osteoarthritis (OA) post-hip arthroscopy? and (ii) what are the within-group treatment effects of the physiotherapy intervention and a health-education control group? Methods This study was a pilot single-blind RCT conducted in a private physiotherapy clinic in Hobart, Australia. Patients included 17 volunteers (nine women; age 32 ± 8 years; body mass index = 25.6 ± 5.1 kg/m2) who were recruited 4–14 months post-hip arthroscopy, with chondropathy and/or labral pathology at the time of surgery. Interventions included a physiotherapy treatment program that was semi-standardised and consisted of (i) manual therapy; (ii) hip strengthening and functional retraining; and (iii) health education. Control treatment encompassed individualised health education sessions. The primary outcome measure was feasibility, which was reported as percentage of eligible participants enrolled, adherence with the intervention, and losses to follow-up. The research process was evaluated using interviews, and an estimated sample size for a definitive study is offered. Secondary outcomes included the Hip disability and Osteoarthritis Outcome Score (HOOS) and the International Hip Outcome Tool (IHOT-33) patient-reported outcomes. Results Seventeen out of 48 eligible patients (35%) were randomised. Adherence to the intervention was 100%, with no losses to follow-up. The estimated sample size for a full-scale RCT was 142 patients. The within-group (95% confidence intervals) change scores for the physiotherapy group were HOOS-Symptoms 6 points (−4 to 16); HOOS-Pain 10 points (−2 to 22); HOOS-Activity of Daily Living 8 points (0 to 16); HOOS-Sport 3 points (−12 to 19); HOOS-Quality of Life 3 points (−7 to 13); and IHOT-33 7 points (−10 to 25). The within-group (95% confidence intervals) change scores for the control group were HOOS-Symptoms −4 points (−17 to 9); HOOS-Pain −2 points (−18 to 13); HOOS-Activity of Daily Living −7 points (−17 to 4); HOOS-Sport 4 points (−16 to 23); HOOS-Quality of Life −5 points (−18 to 9); and IHOT-33 −4 points (−27 to 19). Suggestions to improve study design included greater supervision of exercises and increased access to physiotherapy appointments. Conclusions Results support the feasibility of a full-scale RCT, and recommendations for an adequately powered and improved study to determine the efficacy of this physiotherapy intervention post-hip arthroscopy to reduce pain and improve function are provided. Trial registration Australian Clinical Trials Registry, ACTRN12614000426684
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Hatton AL, Crossley KM, Clark RA, Whitehead TS, Morris HG, Culvenor AG. Between-leg differences in challenging single-limb balance performance one year following anterior cruciate ligament reconstruction. Gait Posture 2017; 52:22-25. [PMID: 27855310 DOI: 10.1016/j.gaitpost.2016.11.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 10/31/2016] [Accepted: 11/06/2016] [Indexed: 02/02/2023]
Abstract
Following anterior cruciate ligament (ACL) rupture, reconstructive surgery (ALCR) is often performed to mechanically stabilise the knee, however functional deficits often persist long after surgery. Impaired single-limb standing balance has been observed in the ACLR limb compared to healthy individuals. However, it remains inconclusive as to whether these same balance deficits exist between the injured and contralateral uninjured limbs, during challenging balance tasks, and at a time when patients are permitted to return to sport. 100 adults who had undergone a primary hamstring-tendon ACLR 12 months previously (68 male; median[IQR] age: 28.1[14.1] years) performed tests of single-limb standing with the knee in a functional position of 20-30° flexion, with their eyes closed, over 20s (Nintendo Wii Balance Board). Two repetitions were performed on the ACLR and uninjured limb. Measures of postural control included centre of pressure (CoP) path velocity, anterior-posterior and mediolateral range and standard deviation, and were averaged across the two trials. Wilcoxon signed-rank tests showed no significant between-leg differences in single-limb balance for any of the CoP measures of interest (all P values>0.686). Further, multiple linear regression analyses showed no significant associations between concomitant meniscectomy or chondral lesions noted at the time of ACLR and measures of single-limb balance on the ACLR limb one year later (all P values>0.213). In the context of prior research, these findings suggest bilateral balance deficits may exist prior to ACL injury, or appear post ACL-injury or ACLR. Treatment of balance deficits should therefore consider both limbs after ACLR.
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Affiliation(s)
- Anna L Hatton
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia.
| | - Kay M Crossley
- School of Allied Health, La Trobe University, Bundoora, Australia
| | - Ross A Clark
- School of Exercise Science, University of the Sunshine Coast, Queensland, Australia
| | | | - Hayden G Morris
- The Park Clinic, St Vincent's Private Hospital, Melbourne, Australia
| | - Adam G Culvenor
- School of Allied Health, La Trobe University, Bundoora, Australia; Institute of Anatomy, Paracelsus Medical University Salzburg & Nuremburg, Salzburg, Austria; Australian Hip and Knee Institute, Melbourne, Australia
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Clark RA, Bell SW, Feller JA, Whitehead TS, Webster KE. Standing balance and inter-limb balance asymmetry at one year post primary anterior cruciate ligament reconstruction: Sex differences in a cohort study of 414 patients. Gait Posture 2017; 52:318-324. [PMID: 28038341 DOI: 10.1016/j.gaitpost.2016.12.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 12/07/2016] [Accepted: 12/15/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Static standing balance can be safely assessed early following anterior cruciate ligament reconstruction (ACLR), and deficits may have important implications for long-term outcomes. This study includes a large cohort of people post-ACLR and has the primary aim of establishing whether inter-limb and sex differences exist, with a secondary aim of assessing the association between static balance variables and other outcome measures. METHODS A total of 414 patients with a primary ACLR performed a 30-s static single leg balance test. Centre of pressure (COP) path length, antero-posterior (AP) and medio-lateral (ML) sway range and slow and fast speed COP path-length were examined. Additional measures included single and triple hop distance and symmetry, knee flexion range of motion, ligament laxity and the International Knee Documentation Committee (IKDC) subjective knee evaluation form. RESULTS No significant inter-limb balance differences were present in females. Significant, yet small to negligible effect size (ES) differences were present in males for ML range (ES=0.19), and AP and ML axis slow speed path length (ES=0.11 and 0.23 respectively). Significant, negligible to moderate effect size (ES range=<0.01 to 0.60) sex differences were observed, with females showing reduced sway compared to males. No balance variables had associations with any other variable that were greater than weak. DISCUSSION Our findings provide evidence that primary ACLR does not appear to negatively impact single leg standing balance on the operated limb more than the non-operated side. The lack of association with other outcome measures warrants further longitudinal examination into the utility of static standing balance assessment.
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Affiliation(s)
- Ross A Clark
- School of Health and Sports Science, University of the Sunshine Coast, Australia
| | - Stuart W Bell
- OrthoSport Victoria Research Unit, Deakin University and Epworth Richmond, Australia
| | - Julian A Feller
- OrthoSport Victoria Research Unit, Deakin University and Epworth Richmond, Australia
| | - Timothy S Whitehead
- OrthoSport Victoria Research Unit, Deakin University and Epworth Richmond, Australia
| | - Kate E Webster
- School of Allied Health, La Trobe University, Melbourne, Australia.
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Pain, not structural impairments may explain activity limitations in people with gluteal tendinopathy or hip osteoarthritis: A cross sectional study. Gait Posture 2017; 52:237-243. [PMID: 27951482 DOI: 10.1016/j.gaitpost.2016.12.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 11/29/2016] [Accepted: 12/01/2016] [Indexed: 02/02/2023]
Abstract
QUESTION What are the functional differences between people with greater trochanteric pain syndrome (GT), hip osteoarthritis (OA) or an asymptomatic population as measured by walking, Time Up and Go, single leg standing and strength? DESIGN Cross sectional study with blinded measurers. PARTICIPANTS 38 participants with GT, 20 with end stage hip OA and 21 asymptomatic healthy control (AS) participants. All participants were women. OUTCOME MEASURES Pain (numeric rating scale), Walking speed (m/s), cadence (steps/min) and step length (m) measured via the 10m walk test and the Timed Up and Go; balance via single leg stance (s) duration; and hip abduction, adduction, medial and lateral rotation strength, standardized to body mass (BM) via the body mass average index (BMavg), measured via a wall mounted dynamometer. RESULTS The two symptomatic groups reported similar pain levels (p=0.226), more pain then the AS group (p<0.000). Compared to the AS participants, participants with GT or hip OA demonstrated lower walking speed (10mwt and TUG, p<0.001), lower cadence and shorter duration single leg stance on the affected leg (p<0.05). Participants with GT or hip OA also demonstrated bilaterally weaker hip abduction than the AS group (p≤0.005). Compared to AS and GT participants, participants with hip OA demonstrated adduction weakness on the affected side (p=0.008 and p=0.002 respectively). CONCLUSION There is a significant level of dysfunction and impairments associated with GT and hip OA. As activity limitations do not appear to be differentiated by structural impairments, we suggest that pain, rather than the underlying pathology may be the driving impairment that leads to walking and single leg standing dysfunction.
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Abstract
Synopsis Although osteoarthritis (OA) has traditionally been considered a disease of older age, hip and knee OA can and does affect younger adults, with a profound impact on psychosocial well-being and work capacity. Obesity and a history of traumatic knee injury (eg, anterior cruciate ligament rupture and/or meniscal tear) are key risk factors for the accelerated development of knee OA, while structural hip deformities (including those contributing to femoroacetabular impingement syndrome) are strong predictors of early-onset hip OA. In view of these associations, rising rates of obesity and sports injuries are concerning, and may signal a future surge in OA incidence among younger people. Assessment of hip and knee OA in younger people should focus on a patient-centered history, comprehensive physical examination, performance-based measures, and patient-reported outcome measures to enable monitoring of symptoms and function over time. Referral for imaging should be reserved for people presenting with atypical signs or symptoms that may indicate diagnoses other than OA. Nonpharmacological approaches are core strategies for the management of hip and knee OA in younger people, and these include appropriate disease-related education, activity modification (including for work-related tasks), physical therapist- prescribed exercise programs to address identified physical impairments, and weight control or weight loss. High-quality evidence has shown no benefit of arthroscopy for knee OA, and there are no published clinical trials to support the use of hip arthroscopy for OA. Referral for joint-conserving or joint replacement surgery should be considered when nonpharmacological and pharmacological management strategies are no longer effective. J Orthop Sports Phys Ther 2017;47(2):67-79. doi:10.2519/jospt.2017.7286.
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Kemp JL, Makdissi M, Schache AG, Finch CF, Pritchard MG, Crossley KM. Is quality of life following hip arthroscopy in patients with chondrolabral pathology associated with impairments in hip strength or range of motion? Knee Surg Sports Traumatol Arthrosc 2016; 24:3955-3961. [PMID: 26138455 DOI: 10.1007/s00167-015-3679-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 06/15/2015] [Indexed: 11/28/2022]
Abstract
INTRODUCTION If physical impairments that are associated with poorer outcomes can be identified in people with chondrolabral hip pathology, then rehabilitation programmes that target such modifiable impairments could potentially be established to improve quality of life. The aim of this study was to examine the relationship between quality-of-life PROs and physical impairment measurements in people with chondrolabral pathology post-hip arthroscopic surgery. METHODS This was a cross-sectional study where multiple stepwise linear regression analyses were conducted to determine which physical impairment measurements were most associated with poorer quality-of-life patient-reported outcomes (PROs). Eighty-four patients (42 women; all aged 36 ± 10 years) with hip chondrolabral pathology 12- to 24-month post-hip arthroscopy were included. The Hip disability and Osteoarthritis Outcome Score Quality-of-life (HOOS-Q) subscale and International Hip Outcome Tool (IHOT-33) PROs were collected. Measurements of active hip ROM and strength were assessed. RESULTS Modifiable post-surgical physical impairments were associated with PRO in patients with chondrolabral pathology. Greater hip flexion ROM was independently associated with better scores in both HOOS-Q and IHOT-33 (adjusted r 2 values ranged from 0.249 to 0.341). Greater hip adduction strength was independently associated with better HOOS-Q and IHOT-33 (adjusted r 2 0.227-0.317). Receiver Operator Curve analyses determined that the limit value for hip flexion ROM was 100° (sensitivity 92 %, specificity 75 %), and hip adduction strength was 0.86 Nm/kg (sensitivity 96 %, specificity 70 %). CONCLUSIONS Hip flexion ROM and adduction strength were associated with better quality-of-life PRO scores in patients with chondrolabral pathology 12- to 24-month post-hip arthroscopy. These impairments could be targeted by clinicians designing rehabilitation programmes to this patient group. LEVEL OF EVIDENCE Cross-sectional study, Level IV.
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Affiliation(s)
- Joanne L Kemp
- Australian Centre for Research into Injury and Sport and its Prevention (ACRISP), Federation University Australia, SMB Campus, PO Box 663, Ballarat, VIC, 3353, Australia.
- School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Australia.
| | - Michael Makdissi
- Centre for Health, Exercise and Sports Medicine (CHESM), University of Melbourne, Parkville, Australia
| | - Anthony G Schache
- Melbourne School of Engineering, University of Melbourne, Parkville, Australia
| | - Caroline F Finch
- Australian Centre for Research into Injury and Sport and its Prevention (ACRISP), Federation University Australia, SMB Campus, PO Box 663, Ballarat, VIC, 3353, Australia
| | | | - Kay M Crossley
- School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Australia
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Patients With Chondrolabral Pathology Have Bilateral Functional Impairments 12 to 24 Months After Unilateral Hip Arthroscopy: A Cross-sectional Study. J Orthop Sports Phys Ther 2016; 46:947-956. [PMID: 27802796 DOI: 10.2519/jospt.2016.6577] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design Cross-sectional study. Background Functional task performance in patients with chondrolabral pathology following hip arthroscopy is unknown. Objectives To investigate in people with chondrolabral pathology following hip arthroscopy (1) the bilateral differences in functional task performance compared to controls, (2) the association of hip muscle strength with functional task performance, and (3) the association of functional task performance scores with good outcome, as measured by International Hip Outcome Tool score. Methods Seventy-one patients who had unilateral hip arthroscopy for hip pain and 60 controls were recruited. Patient-reported outcomes included the 4 subscales of the International Hip Outcome Tool. Hip muscle strength measures included abduction, adduction, extension, flexion, external rotation, and internal rotation. Functional tasks assessed included the single hop test, the side bridge test, and the single-leg rise test. For aim 1, analyses of covariance tests were used. For aim 2, stepwise multiple linear regression analyses were used. For aim 3, receiver operating characteristic curve analyses were used. Results Compared to controls, the chondrolabral pathology group had significantly worse performance on both legs for each of the functional tasks (P<.001). Greater hip abduction strength was moderately associated with better performance on functional tasks in the chondrolabral pathology group (adjusted R2 range, 0.197-0.407; P<.001). Cutoff values associated with good outcome were 0.37 (hop distance/height) for the single hop, 16 repetitions for the single-leg rise, and 34 seconds for the side bridge test. Conclusion Patients with hip chondrolabral pathology had reduced functional task performance bilaterally 12 to 24 months after unilateral hip arthroscopy when compared to controls. Level of Evidence Therapy/symptom prevalence, level 3b. J Orthop Sports Phys Ther 2016;46(11):947-956. doi:10.2519/jospt.2016.6577.
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The effects of acute experimental hip muscle pain on dynamic single-limb balance performance in healthy middle-aged adults. Gait Posture 2016; 50:201-206. [PMID: 27649511 DOI: 10.1016/j.gaitpost.2016.09.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 09/05/2016] [Accepted: 09/08/2016] [Indexed: 02/02/2023]
Abstract
Middle-aged adults with painful hip conditions show balance impairments that are consistent with an increased risk of falls. Pathological changes at the hip, accompanied by pain, may accelerate pre-existing age-related balance deficits present in midlife. To consider the influence of pain alone, we investigated the effects of acute experimental hip muscle pain on dynamic single-limb balance in middle-aged adults. Thirty-four healthy adults aged 40-60 years formed two groups (Group-1: n=16; Group-2: n=18). Participants performed four tasks: Reactive Sideways Stepping (ReactSide); Star Excursion Balance Test (SEBT); Step Test; Single-Limb Squat; before and after an injection of hypertonic saline into the right gluteus medius muscle (Group-1) or ∼5min rest (Group-2). Balance measures included the range and standard deviation of centre of pressure (CoP) movement in mediolateral and anterior-posterior directions, and CoP total path velocity (ReactSide, Squat); reach distance (SEBT); and number of completed steps (Step Test). Data were assessed using three-way analysis of variance. Motor outcomes were altered during the second repetition of tasks irrespective of exposure to experimental hip muscle pain or rest, with reduced SEBT anterior reach (-1.2±4.1cm, P=0.027); greater step number during Step Test (1.5±1.7 steps, P<0.001); and slower CoP velocity during Single-Limb Squat (-4.9±9.4mms-1, P=0.024). Factors other than the presence of pain may play a greater role in balance impairments in middle-aged adults with hip pathologies.
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Freke M, Kemp JL, Svege I, Risberg MA, Semciw AI, Crossley KM. Physical impairments in symptomatic femoroacetabular impingement: a systematic review of the evidence. Br J Sports Med 2016; 50:1180. [DOI: 10.1136/bjsports-2016-096152] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 05/23/2016] [Indexed: 01/16/2023]
Abstract
BackgroundFemoroacetabular impingement (FAI) and associated pathologies are associated with pain and reduced quality of life. Physical impairments can be associated with worse symptoms and may be an important target of rehabilitation programmes in this patient group. Knowledge regarding physical impairments in people with symptomatic FAI is limited.HypothesisIn adults aged 18–50 years with symptomatic FAI: (1) to identify physical impairments in range of motion (ROM), hip muscle function and functional tasks; (2) to compare physical impairments with healthy controls; and (3) to evaluate the effects of interventions targeting physical impairments.Study designSystematic review.MethodsA systematic review of the literature was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. The modified Downs and Black checklist was used for quality appraisal. Studies of adults aged 18–50 years with symptomatic FAI that examined ROM, hip muscle function and functional tasks were included. Standardised mean differences were calculated where possible or best evidence synthesis and study conclusions were presented.ResultsTwenty-two studies fulfilled all inclusion criteria. Methodological quality was varied. Results for hip joint ROM differences between people with symptomatic FAI compared and control subjects were varied. People with symptomatic FAI demonstrated some deficits in hip muscle strength and reduced balance on one leg when compared with control subjects. For hip joint ROM and hip muscle strength results for within-group differences between preintervention and postintervention time points were limited and inconclusive. No randomised controlled trials evaluated the effect of different types of interventions for symptomatic patients with symptomatic FAI.ConclusionsPeople with symptomatic FAI demonstrate impairments in some hip muscle strength and single leg balance. This information may assist therapists in providing targeted rehabilitation programmes for people with FAI and associated pathology. Further research is needed to determine whether symptomatic FAI affects other aspects of functional performance; and to evaluate whether targeted interventions are effective in symptomatic FAI.Clinical relevanceThis information may assist therapists in providing targeted rehabilitation programmes for people with symptomatic FAI.
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Dynamic Single-Leg Postural Control Is Impaired Bilaterally Following Anterior Cruciate Ligament Reconstruction: Implications for Reinjury Risk. J Orthop Sports Phys Ther 2016; 46:357-64. [PMID: 26999412 DOI: 10.2519/jospt.2016.6305] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design Cross-sectional, controlled laboratory study. Background Postural control following anterior cruciate ligament reconstruction (ACLR) primarily has been investigated during static single-leg balance tasks. Little is known about dynamic postural control deficits post-ACLR. Objectives To compare dynamic postural control (bilaterally) in individuals who have undergone ACLR and in healthy controls, and to evaluate the relationship between dynamic postural control and self-reported and objective function. Methods Ninety-seven participants (66 male; median age, 28 years) 12 months post-ACLR and 48 healthy controls (20 male; median age, 30 years) underwent balance assessment using a Nintendo Wii Balance Board during a single-leg squat. Center-of-pressure (CoP) path velocity, as well as CoP amplitude and standard deviation, in both mediolateral (ML) and anteroposterior (AP) directions were recorded. Self-reported function was assessed with the International Knee Documentation Committee Subjective Knee Evaluation Form (IKDC), while hop for distance was used to evaluate functional status. Results Compared to healthy controls, the ACLR group had greater mean CoP path velocity (16% higher, P = .004), ML range (23%, P<.001), ML SD (28%, P<.001), AP range (14%, P = .009), and AP SD (15%, P = .013), indicating worse dynamic balance post-ACLR. Dynamic balance performance was similar between the ACLR limb and the uninjured contralateral limb. The AP SD was weakly associated with hop performance (β = -.2, P = .046); no balance measures were associated with IKDC score. Conclusion Individuals who have undergone ACLR demonstrate impaired dynamic balance bilaterally when performing a single-leg squat, which may have implications for physical function and future injury risk. Routine dynamic balance assessment may help identify patients who could benefit from targeted neuromuscular training programs to improve objective function and potentially lower reinjury risk. J Orthop Sports Phys Ther 2016;46(5):357-364. Epub 21 Mar 2016. doi:10.2519/jospt.2016.6305.
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Hatton AL, Hug F, Brown BCM, Green LP, Hughes JR, King J, Orgar EJ, Surman K, Vicenzino B. A study of the immediate effects of glycerine-filled insoles, contoured prefabricated orthoses and flat insoles on single-leg balance, gait patterns and perceived comfort in healthy adults. J Foot Ankle Res 2015; 8:47. [PMID: 26347802 PMCID: PMC4561414 DOI: 10.1186/s13047-015-0107-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 08/31/2015] [Indexed: 12/26/2022] Open
Abstract
Background Footwear interventions are often prescribed to assist with the management of lower limb pain, injury and disease. Commercially available shoe insoles and orthoses are increasingly incorporating novel design features to alleviate foot and lower limb symptoms, but this may be at a cost to optimal functional performance. This study compared the immediate effects of wearing glycerine-filled insoles, contoured prefabricated orthoses, and flat insoles, on balance and gait measures. Methods Thirty healthy adults (17 men, 13 women; mean [SD] age: 24.3 [2.5] years) performed tests of single-leg standing with eyes open (Kistler force platform), star excursion balance test, and level-ground walking (GAITRite® walkway system), under three randomised conditions: wearing glycerine-filled insoles, prefabricated orthoses, and flat (control) insoles, within their own footwear. Centre of pressure movement (anterior-posterior and mediolateral range and standard deviation, total path velocity), star excursion balance test reach distance, and temporospatial gait variables were collected. Perceived comfort of the inserts was scored immediately after use on a 100 mm visual analogue rating scale. After trialling all inserts each participant ranked their level of comfort from least to most. Results Centre of pressure measures, star excursion balance test reach distance, or temporospatial gait variables did not differ between the three inserts (all P values >0.088). Significant between-condition differences were reported for comfort ranking (P = 0.031), but not rating scores (P = 0.638). Weak to moderate negative correlations (r values ranged between −0.368 and −0.406) were observed between visual analogue scale comfort rating for the flat insoles and prefabricated orthoses, star excursion balance test and gait measures. Conclusions Single-leg standing balance, star excursion balance test performance, and level-ground walking patterns in asymptomatic adults do not appear to differ when wearing glycerine-filled insoles, contoured prefabricated orthoses, or flat insoles. Perceived comfort may be related to the biomechanical or clinical effectiveness of novel footwear interventions, and requires further investigation. Importantly, these findings are specific to a healthy population and further research is needed to determine the long-term effects of glycerine-filled insoles in patients with known balance impairments.
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Affiliation(s)
- Anna L Hatton
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - François Hug
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia ; Laboratory "Movement, Interaction, Performance" (EA 4334), University of Nantes, Nantes, France
| | - Brooke C M Brown
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - Leon P Green
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - Jacob R Hughes
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - Jarrad King
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - Emma J Orgar
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - Kate Surman
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
| | - Bill Vicenzino
- School of Health and Rehabilitation Sciences, Therapies Building (84A), The University of Queensland, Brisbane, QLD 4072 Australia
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Charlton PC, Bryant AL, Kemp JL, Clark RA, Crossley KM, Collins NJ. Single-Leg Squat Performance is Impaired 1 to 2 Years After Hip Arthroscopy. PM R 2015; 8:321-330. [PMID: 26226209 DOI: 10.1016/j.pmrj.2015.07.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 06/25/2015] [Accepted: 07/16/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To evaluate single-leg squat performance 1-2 years after arthroscopy for intra-articular hip pathology compared with control subjects and the nonsurgical limb, and to investigate whether single-leg squat performance on the operated limb was associated with hip muscle strength. DESIGN Cross-sectional study. SETTING Private physiotherapy clinic and university laboratory. PARTICIPANTS Thirty-four participants (17 women, 36.7 ± 12.6 years) 1-2 years after hip arthroscopy and 34 gender-matched control subjects (17 women, 33.1 ± 11.9 years). METHODS Participants performed single-leg squats using a standardized testing procedure. Squat performance was captured using video. Video footage was uploaded and reformatted for analyses. Hip muscle strength was measured with handheld dynamometry using reliable methods. OUTCOME MEASURES Frontal plane pelvic obliquity, hip adduction, and knee valgus were measured. Repeated measures analysis of variance evaluated between-group differences, with limb as a within-subjects factor (surgical versus nonsurgical) and gender as a between-subjects factor (P < .05). RESULTS The hip arthroscopy group demonstrated significantly greater apparent hip adduction (mean difference 2.7°, 95% confidence interval [CI] 0.7°-4.8°) and apparent knee valgus (4.0°, 95% CI 1.0°-7.1°) at peak squat depth compared with control subjects. The operated limb also demonstrated significantly greater pelvic obliquity during single-leg stance compared with the nonsurgical limb (1.2°, 95% CI 0.1°-2.3°). Women had significantly greater apparent hip adduction (standing 1.6°, 95% CI 0.5°-2.6°; peak squat depth 2.4°, 95% CI 0.3°-4.4°) and apparent knee valgus (standing 3.3°, 95% CI 1.8°-4.7°; peak squat depth 3.1°, 95% CI 0°-6.1°). Significant positive correlations were found between frontal plane angles and hip flexor and extensor peak torque (P > .05). CONCLUSION One to 2 years after hip arthroscopy, deficits in single-leg squat performance exist that have the potential to increase hip joint impingement and perpetuate postoperative symptoms. Rehabilitation after hip arthroscopy should target retraining in functional single-leg positions.
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Affiliation(s)
- Paula C Charlton
- Department of Physiotherapy, Melbourne School of Health Sciences, The University of Melbourne, Parkville, Australia; School of Exercise Science, Australian Catholic University, Melbourne, Australia(∗)
| | - Adam L Bryant
- Department of Physiotherapy, Melbourne School of Health Sciences, The University of Melbourne, Parkville, Australia(†)
| | - Joanne L Kemp
- Australian Centre for Research into Injury in Sport and its Prevention (ACRISP), Federation University Australia, Ballarat, Australia; School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia(‡)
| | - Ross A Clark
- School of Exercise Science, Australian Catholic University, Melbourne, Australia(¶)
| | - Kay M Crossley
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia(§)
| | - Natalie J Collins
- Department of Mechanical Engineering, Melbourne School of Engineering, The University of Melbourne, VIC 3010, Australia(∗∗).
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Differences in Lower Extremity and Trunk Kinematics between Single Leg Squat and Step Down Tasks. PLoS One 2015; 10:e0126258. [PMID: 25955321 PMCID: PMC4425598 DOI: 10.1371/journal.pone.0126258] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 03/31/2015] [Indexed: 12/02/2022] Open
Abstract
The single leg squat and single leg step down are two commonly used functional tasks to assess movement patterns. It is unknown how kinematics compare between these tasks. The purpose of this study was to identify kinematic differences in the lower extremity, pelvis and trunk between the single leg squat and the step down. Fourteen healthy individuals participated in this research and performed the functional tasks while kinematic data were collected for the trunk, pelvis, and lower extremities using a motion capture system. For the single leg squat task, the participant was instructed to squat as low as possible. For the step down task, the participant was instructed to stand on top of a box, slowly lower him/herself until the non-stance heel touched the ground, and return to standing. This was done from two different heights (16cm and 24cm). The kinematics were evaluated at peak knee flexion as well as at 60° of knee flexion. Pearson correlation coefficients (r) between the angles at those two time points were also calculated to better understand the relationship between each task. The tasks resulted in kinematics differences at the knee, hip, pelvis, and trunk at both time points. The single leg squat was performed with less hip adduction (p ≤ 0.003), but more hip external rotation and knee abduction (p ≤ 0.030), than the step down tasks at 60° of knee flexion. These differences were maintained at peak knee flexion except hip external rotation was only significant in the 24cm step down task (p ≤ 0.029). While there were multiple differences between the two step heights at peak knee flexion, the only difference at 60° of knee flexion was in trunk flexion (p < 0.001). Angles at the knee and hip had a moderate to excellent correlation (r = 0.51–0.98), but less consistently so at the pelvis and trunk (r = 0.21–0.96). The differences in movement patterns between the single leg squat and the step down should be considered when selecting a single leg task for evaluation or treatment. The high correlation of knee and hip angles between the three tasks indicates that similar information about knee and hip kinematics was gained from each of these tasks, while pelvis and trunk angles were less well predicted.
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Hatton AL, Crossley KM, Hug F, Bouma J, Ha B, Spaulding KL, Tucker K. Acute experimental hip muscle pain alters single-leg squat balance in healthy young adults. Gait Posture 2015; 41:871-6. [PMID: 25838195 DOI: 10.1016/j.gaitpost.2015.02.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 02/12/2015] [Accepted: 02/22/2015] [Indexed: 02/02/2023]
Abstract
BACKGROUND Clinical musculoskeletal pain commonly accompanies hip pathology and can impact balance performance. Due to the cross-sectional designs of previous studies, and the multifactorial nature of musculoskeletal pain conditions, it is difficult to determine whether pain is a driver of balance impairments in this population. This study explored the effects of experimentally induced hip muscle pain on static and dynamic balance. METHODS Twelve healthy adults (4 women, mean[SD]: 27.1[3] years) performed three balance tasks on each leg, separately: single-leg standing (eyes closed), single-leg squat (eyes open), forward step (eyes open); before and after hypertonic saline injection (1ml, 5% NaCl) into the right gluteus medius. Range, standard deviation (SD), and velocity of the centre of pressure (CoP) in medio-lateral (ML) and anterior-posterior (AP) directions were considered. RESULTS During the single-leg squat task, experimental hip pain was associated with significantly reduced ML range (-4[13]%, P=0.028), AP range (-14[21]%, P=0.005), APSD (-15[28]%, P=0.009), and AP velocity (-6[13]%, P=0.032), relative to the control condition, in both legs. No effect of pain was observed during single-leg standing and forward stepping. Significant between-leg differences in ML velocity were observed during the forward stepping task (P=0.034). DISCUSSION Pain is a potentially modifiable patient-reported outcome in individuals with hip problems. This study demonstrates that acute hip muscle pain alone, without interference of musculoskeletal pathology, does not lead to the same impairments in balance as exhibited in clinical populations with hip pathologies. This is the first step in understanding how and why balance is altered in painful hip pathologies.
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Affiliation(s)
- Anna L Hatton
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia.
| | - Kay M Crossley
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia.
| | - François Hug
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia; Laboratory EA 4334, University of Nantes, Nantes, France.
| | - James Bouma
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia.
| | - Bonnie Ha
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia.
| | - Kara L Spaulding
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia.
| | - Kylie Tucker
- School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia.
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A phase II trial for the efficacy of physiotherapy intervention for early-onset hip osteoarthritis: study protocol for a randomised controlled trial. Trials 2015; 16:26. [PMID: 25622524 PMCID: PMC4318367 DOI: 10.1186/s13063-014-0543-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 12/23/2014] [Indexed: 11/30/2022] Open
Abstract
Background Early-onset hip osteoarthritis is commonly seen in people undergoing hip arthroscopy and is associated with increased pain, reduced ability to participate in physical activity, reduced quality of life and reduced range of motion and muscle strength. Despite this, the efficacy of non-surgical interventions such as exercise therapies remains unknown. The primary aim is to establish the feasibility of a phase III randomised controlled trial investigating a targeted physiotherapy intervention for people with early-onset hip osteoarthritis. The secondary aims are to determine the size of treatment effects of a physiotherapy intervention, targeted to improve hip joint range and hip-related symptoms in early-onset hip osteoarthritis following hip arthroscopy, compared to a health-education control. Methods This protocol describes a randomised, assessor- and participant-blind, controlled clinical trial. We will include 20 participants who are (i) aged between 18 and 50 years; (ii) have undergone hip arthroscopy during the past six to 12 months; (iii) have early-onset hip osteoarthritis (defined as chondrolabral pathology) at the time of hip arthroscopy; and (iv) experience hip-related pain during activities. Primary outcome will be the feasibility of a phase III clinical trial. Secondary outcomes will be (i) perceived global change score; (ii) hip-related symptoms (measured using the Hip disability and Osteoarthritis Outcome Score (HOOS) pain subscale, activity subscale, and sport and recreation subscale); (iii) hip quality of life (measured using the HOOS quality of life subscale and International Hip Outcome tool; (iv) hip muscle strength and (v) hip range of motion. The physiotherapy intervention is semi-standardised, including joint and soft tissue mobilisation and stretching, hip and trunk muscle retraining and functional and activity-specific retraining and education. The control intervention encompasses individualised health education, with the same frequency and duration as the intervention. The trial primary end-point is the conclusion of the 12-week intervention, and follow-up measures will be collected at the 12-week post-baseline assessment. Discussion The findings of this study will provide guidance regarding the feasibility of a full-scale phase III randomised controlled trial, prior to its undertaking. Trial registration The trial protocol was registered with the Australian Clinical Trials Registry (number: 12614000426684) on 17 April 2014. Electronic supplementary material The online version of this article (doi:10.1186/s13063-014-0543-7) contains supplementary material, which is available to authorized users.
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Inacio M, Ryan AS, Bair WN, Prettyman M, Beamer BA, Rogers MW. Gluteal muscle composition differentiates fallers from non-fallers in community dwelling older adults. BMC Geriatr 2014; 14:37. [PMID: 24666603 PMCID: PMC4101852 DOI: 10.1186/1471-2318-14-37] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 03/13/2014] [Indexed: 12/25/2022] Open
Abstract
Background Impaired balance, loss of mobility and falls are major problems associated with changes in muscle in older adults. However, the extent to which muscle composition and related performance measures for different lower limb muscles are associated with falls in older individuals is unclear. This study evaluated lower limb muscle attenuation, intramuscular adipose tissue (IMAT) infiltration and muscle performance in older fallers and non-fallers. Methods For this cross-sectional study, fifty-eight community dwelling older individuals (>65 years) were classified into fallers (n = 15) or non-fallers (n = 43). Computed tomography (CT) was used to determine muscle attenuation and intramuscular adipose tissue (IMAT) of multiple thigh and hip muscles. Muscle performance was assessed with isokinetic dynamometry. Results For both groups, Rectus Femoris showed the highest muscle attenuation and lowest IMAT infiltration, and Gluteus Maximus and Gluteus Medius/Minimus muscles had the lowest muscle attenuation and highest IMAT infiltration. Fallers exhibited lower muscle attenuation and higher IMAT infiltration than non-faller participants in most muscles, where the gluteal muscles were the most affected (p < 0.05). Fallers also showed a lower peak hip abduction torque (p < 0.05). There were significant associations (r = 0.31 to 0.53) between joint torques and muscle composition, with the strongest associations between Gluteus Medius/Minimus and hip abduction strength. Conclusions While fallers were generally differentiated from non-fallers by muscle composition, the most affected muscles were the proximal gluteal muscles of the hip joint accompanied by lower hip abduction strength, which may contribute to impaired balance function and increased risk for falls.
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Affiliation(s)
| | | | | | | | | | - Mark W Rogers
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, USA.
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