Associations of foot and ankle characteristics with knee symptoms and function in individuals with patellofemoral osteoa
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(2020) 13:57
RESEARCH
Open Access
Associations of foot and ankle characteristics with knee symptoms and function in individuals with patellofemoral osteoarthritis Jade M. Tan1,2* , Kay M. Crossley1,2, Shannon E. Munteanu1,2, Natalie J. Collins2,3, Harvi F. Hart2,4, Joel W. Donnar2, Gearoid Cleary3, Isobel C. O’Sullivan3, Liam R. Maclachlan3, Catherine L. Derham2 and Hylton B. Menz1,2
Abstract Background: Foot and ankle characteristics are associated with patellofemoral pain (PFP) and may also relate to patellofemoral osteoarthritis (PFOA). A greater understanding of these characteristics and PFOA, could help to identify effective targeted treatments. Objectives: To determine whether foot and ankle characteristics are associated with knee symptoms and function in individuals with PFOA. Methods: For this cross-sectional study we measured weightbearing ankle dorsiflexion range of motion, foot posture (via the Foot Posture Index [FPI]), and midfoot mobility (via the Foot Measurement Platform), and obtained patient-reported outcomes for knee symptoms and function (100 mm visual analogue scales, Anterior Knee Pain Scale [AKPS], Knee injury and Osteoarthritis Outcome Score, repeated single step-ups and double-leg sit-to-stand to knee pain onset). Pearson’s r with significance set at p < 0.05 was used to determine the association between foot and ankle charateristics, with knee symptoms and function, adjusting for age. (Continued on next page)
* Correspondence: [email protected] 1 Discipline of Podiatry, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne 3086, Australia 2 La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne 3086, Australia Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
Tan et al. Journal of Foot and Ankle Research
(2020) 13:57
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