ArticleOrthopaedic journal of sports medicine2025
The Effect of Real-Time Feedback Regarding the Center-of-Pressure Position on Patellofemoral Joint Loading During Double-leg Squatting.
Article in Orthopaedic journal of sports medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Validity and Reliability of Force Insoles to Measure Center of Pressure During Return-to-Sport Testing.Sensors (Basel, Switzerland) · 2025Article
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6 authors.
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Abstract
Background: Exercise therapy is the cornerstone of patellofemoral (PF) pain management. However, whether squat exercises are therapeutic or detrimental depends on their technique and the resulting load on the PF joint. Purpose/Hypothesis: The purpose of this study was to investigate whether real-time feedback to position the center-of-pressure (COP) anteriorly could reduce the PF joint reaction force and stress during bodyweight double-leg squatting. It was hypothesized that an anterior COP position would decrease the PF joint reaction force and stress without changing the trunk flexion angle, whereas a posterior COP position would increase the PF joint reaction force and stress. Study Design: Controlled laboratory study. Methods: Sixteen men (age, 22.9 ± 1.5 years; height, 173.6 ± 5.2 cm; and body mass, 63 ± 6.8 kg) performed double-leg squatting under 4 conditions-natural, anterior, middle, and posterior COP. Kinematic and kinetic data were obtained via standard 3-dimensional motion analysis and force plate data. The PF joint reaction force and stress were calculated via a musculoskeletal modeling approach. Results: PF joint loading was significantly reduced in the anterior and middle COP conditions compared with the natural condition. At 90° of knee flexion, the PF joint reaction force decreased by 11% and 9% in the anterior and middle COP conditions, respectively, compared with that in the natural condition (anterior: Conclusions: Real-time feedback for anterior COP positioning is an effective strategy for reducing the PF joint reaction force and stress during double-leg squatting without increasing trunk forward lean. Clinical Relevance: The incorporation of real-time feedback regarding the anteroposterior COP position is useful for reducing PF joint loading during double-leg squatting, which may be helpful in the rehabilitation of PF pain patients. Instructions to position the COP anteriorly may also be useful in reducing PF joint loading during double-leg squatting.
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