The Effects of Functional Stabilization Training Based on Trunk Control on Pain, Dynamic Balance, and Physical Function in Women with Patellofemoral Pain

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Background/Objective: This study aimed to determine the effects of functional stabilization training based on the trunk control on knee pain, dynamic balance, and physical function.Design: Two group pre-post parallel design Methods: Forty women aged 20-30 years with patellofemoral pain syndrome were divided into a functional stabilization training group and a hip and knee around muscle strengthening exercise group according to randomization method.Both groups performed a 20-min stretching and 40-min main exercise program three times a week for six weeks, for a total of 18 sessions per week.Pain, dynamic balance, and physical function were assessed using the visual analog scale, Y-balance test, single-leg triple hop test, stair down test, and lower-extremity function scale.Results: Both groups showed significant differences (p 0.05) in pain, Y-balance test, single-leg triple hop test, stair down, and lower ＜ extremity function scale scores after the intervention; however, the functional stabilization training group showed greater improvement.The between-group differences were also significant (p 0.05) for pain, dynamic balance, and the lower extremity function.＜ Conclusions: Functional stabilization training based on interbody control was more effective than non-weight-bearing hip and knee peripheral muscle strengthening exercises in women aged 20-30 years with patellofemoral pain syndrome.