Associations between static foot posture, dynamic in-shoe plantar foot forces and knee pain in people with medial knee osteoarthritis: A cross-sectional exploratory study
Authors' conclusion
Dynamic plantar foot forces, but not static foot posture, were associated with knee pain in people with medial knee OA.
Study context
- Population
- People with symptomatic, moderate to severe radiographic medial knee osteoarthritis (OA)164 analysed
- Exposure
- Static foot posture and dynamic in-shoe plantar foot forces vs knee pain
- Outcome
- Knee pain: NRS (0-10; higher scores worse) and KOOS pain subscale (0-100; lower scores worse)
Methodological detailsexploratory, linear regression, unadjusted and adjusted, Static foot posture: foot posture index, foot mobility magnitude, navicular drop; plantar forces measured with in-shoe plantar pressure system while walking
- Exploratory
- Linear regression, unadjusted and adjusted
- Static foot posture: foot posture index, foot mobility magnitude, navicular drop; plantar forces measured with in-shoe plantar pressure system while walking
Main finding
As reported in the abstract
Regression coefficient
0.69
95% CI 0.09–1.28
Medial-lateral foot force ratio at midstance · numerical rating scale (NRS) pain; weakly associated with higher knee pain
Coefficient
3.03
95% CI 0.71–5.35
Arch index during overall stance · KOOS pain; weakly associated with higher knee pain
Observational data: associations, not effects.
Original publication
Associations between static foot posture, dynamic in-shoe plantar foot forces and knee pain in people with medial knee osteoarthritis: A cross-sectional exploratory study. Osteoarthritis Cartilage. Published 8 July 2024. doi:10.
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