Arnold, JB, Halstead, J, Grainger, AJ et al. (3 more authors) (2021) Foot and leg muscle weakness in people with midfoot osteoarthritis. Arthritis Care & Research, 73 (6). pp. 772-780. ISSN 2151-464X
Abstract
Objective
To compare foot and leg muscle strength in people with symptomatic midfoot osteoarthritis (OA) with asymptomatic controls, and to determine the association between muscle strength, foot pain and disability.
Methods
Participants with symptomatic midfoot OA and asymptomatic controls were recruited for this cross‐sectional study from general practices and community health clinics. The maximal isometric muscle strength of the ankle plantarflexors, dorsiflexors, invertors and evertors, and the hallux and lesser digit plantarflexors was measured using hand‐held dynamometry. Self‐reported foot pain and foot‐related disability were assessed with the Manchester Foot Pain and Disability Index. Differences in muscle strength were compared between groups. Multivariable regression was used to determine the association between muscle strength, foot pain and disability after adjusting for covariates.
Results
People with midfoot OA (n=52) exhibited strength deficits in all muscle groups, ranging from 19% (dorsiflexors) to 30% (invertors) relative to the control group (n=36) with effect sizes of 0.6‐1.1 (p <0.001). In those with midfoot OA, ankle invertor muscle strength was negatively and independently associated with foot pain (β ‐0.026, 95%CI ‐0.051, ‐0.001, p = 0.045). Invertor muscle strength was negatively associated with foot‐related disability, although not after adjustment for depressive symptoms (β ‐0.023, 95%CI ‐0.063, 0.017, p = 0.250).
Conclusion
People with symptomatic midfoot OA demonstrate weakness in the foot and leg muscles compared to asymptomatic controls. Preliminary indications from this study suggest that strengthening of the foot and leg muscle muscles may offer potential to reduce pain and improve function in people with midfoot OA.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2020 The Authors. Arthritis Care & Research published by Wiley Periodicals, Inc. on behalf of American College of Rheumatology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
Keywords: | foot ; osteoarthritis; muscle strength ; rehabilitation; biomechanics |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Medicine and Health (Leeds) > School of Healthcare (Leeds) > Nursing Adult (Leeds) The University of Leeds > Faculty of Medicine and Health (Leeds) > School of Medicine (Leeds) > Institute of Rheumatology & Musculoskeletal Medicine (LIRMM) (Leeds) > Clinical Biomechanic & Physical Med (LIRMM) (Leeds) |
Funding Information: | Funder Grant number Versus Arthritis (formerly ARUK) 19996 Versus Arthritis (formerly ARUK) 20083 NIHR National Inst Health Research NONE GIVEN NIHR National Inst Health Research NF-SI-0616-10108 |
Depositing User: | Symplectic Publications |
Date Deposited: | 15 Jul 2020 10:57 |
Last Modified: | 07 Aug 2022 08:29 |
Status: | Published |
Publisher: | Wiley |
Identification Number: | 10.1002/acr.24182 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:162254 |