Squatting biomechanics following physiotherapist-led care or hip arthroscopy for femoroacetabular impingement syndrome: a secondary analysis from a randomised controlled trial

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Sports Medicine and Rehabilitation

Main article text

 

Introduction

Materials and Methods

Participants

Randomisation, allocation, and blinding

Interventions

Data collection

Data processing

Statistical analyses

Results

Kinematics

Kinetics

Discussion

Conclusions

Supplemental Information

Consort checklist.

DOI: 10.7717/peerj.17567/supp-1

Hip morphological and patient-reported measures at baseline and follow-up, and differences within and between groups.

Group data are mean (standard deviation) unless stated otherwise. Change data are mean difference (95% confidence interval). PHT = Personalised Hip Therapy; ARTH = arthroscopy. data collected at baseline only. Data are median (range). *significant difference at follow-up compared to baseline; significant difference in change between groups. HOOS = hip disability and osteoarthritis outcome score; iHOT-33 = International Hip Outcome Tool; UCLA = University of California Los Angeles. iHOT-33 and HOOS: 0 = extreme hip pain and impaired function, 100 = no hip pain or impaired function. UCLA activity score: 1 = wholly inactive, 10 = regular participation in high impact sports.

DOI: 10.7717/peerj.17567/supp-2

Differences in demographic and clinical characteristics between subsample Personalised Hip Therapy and arthroscopy groups and trial sample.

Differences calculated as mean subsample minus mean trial samples at baseline and 12-months follow-up. aInternational Hip Outcome Tool (iHOT-33) and hip disability and osteoarthritis outcome score (HOOS): 0 = extreme hip pain and impaired function, 100 = no hip pain or impaired function. bCollected at baseline only. cUniversity of California Los Angeles (UCLA) activity score: 1 = wholly inactive, 10 = regular participation in high impact sports.

DOI: 10.7717/peerj.17567/supp-3

Changes in squat depth between baseline and follow-up.

Individual participant changes (follow-up minus baseline) in maximum squat depth relative to starting height (change in vertical position of the midpoint of the two sacral markers, expressed as a percentage of limb length, %). The number of participants who decreased or increased squat depth at follow-up relative to baseline in the Personalised Hip Therapy (blue) and hip arthroscopy (red) groups were similar.

DOI: 10.7717/peerj.17567/supp-4

Baseline and follow-up participant joint angles and moments.

Time-normalised continuous joint angles and moments at baseline and 12-months follow-up, and treatment group allocations.

DOI: 10.7717/peerj.17567/supp-5

Baseline and follow-up participant spatiotemporal and peak-to-peak excursion data.

Spatiotemporal and peak-to-peak joint excursion data at baseline and 12-months follow-up, and treatment group allocations.

DOI: 10.7717/peerj.17567/supp-6

Baseline and follow-up participant characteristic data.

Participant characteristic data at baseline and 12-months follow-up, and treatment group allocations.

DOI: 10.7717/peerj.17567/supp-7

Trial protocol.

Source: Murphy, N.J., Eyles, J., Bennell, K.L. et al. Protocol for a multi-centre randomised controlled trial comparing arthroscopic hip surgery to physiotherapy-led care for femoroacetabular impingement (FAI): the Australian FASHIoN trial. BMC Musculoskelet Disord 18, 406 (2017). https://doi.org/10.1186/s12891-017-1767-y

DOI: 10.7717/peerj.17567/supp-8

Additional Information and Declarations

Competing Interests

David Lloyd has received research support from Arthrex and Orthopediatrics on an Australian Research Council Industrial Training and Transformation Centre grant, and from Orthocell on MTPConnect BioMedTech Horizons grant and Australian Research Council Industry Linkage grant. David J. Hunter has received consulting fees for scientific advisory roles from Pfizer, Lilly, Merck Serono, TLCBio, Kolon Tissuegene and Novartis. Nadine Foster is funded through an Australian National Health and Medical Research Council (NHMRC) Investigator Grant (ID: 2018182). No other potential Conflicts of Interest have been declared by any other authors.

Author Contributions

Tamara M. Grant conceived and designed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

David J. Saxby conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Claudio Pizzolato conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Trevor Savage conceived and designed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Kim Bennell conceived and designed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

Edward Dickenson conceived and designed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

Jillian Eyles conceived and designed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

Nadine Foster conceived and designed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

Michelle Hall conceived and designed the experiments, performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

David Hunter conceived and designed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

David Lloyd conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Rob Molnar performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Nicholas Murphy conceived and designed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

John O’Donnell conceived and designed the experiments, performed the experiments, authored or reviewed drafts of the article, trial/intervention conception and design, and approved the final draft.

Parminder Singh performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Libby Spiers performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Phong Tran performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Laura E. Diamond conceived and designed the experiments, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Ethical approval was granted by St Vincent’s Hospital Human Research Ethics Committee (HREC Reference Number: HREC/14/SVH/343).

Data Availability

The following information was supplied regarding data availability:

The baseline and 12-month follow-up data are available in the Supplemental Files.

Clinical Trial Registration

The following information was supplied regarding Clinical Trial registration:

Australian Clinical Trials Registration Number: ACTRN12615001177549.

Funding

This study was funded by a National Health and Medical Research Council of Australia grant (APP1069278) and by the Australian Hip Arthroscopy Education and Research Foundation. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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