Comparison of the effects of knee and hip and single knee muscles strengthening / stretching exercises on pain intensity and function in athletes with patellofemoral pain syndrome

Vahid Mazloum; Vahid Sobhani1234

Journal of Inflammatory Diseases

The Official Journal of Qazvin University of Medical Sciences

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Comparison of the effects of knee and hip and single knee muscles strengthening / stretching exercises on pain intensity and function in athletes with patellofemoral pain syndrome

Author(s):

Vahid Mazloum^,*,

Vahid Sobhani1234

Journal of Inflammatory Diseases:Vol. 20, issue 3; 12-4

Article type:Research Article

How to Cite:Vahid MazloumVahid Sobhani1234Comparison of the effects of knee and hip and single knee muscles strengthening / stretching exercises on pain intensity and function in athletes with patellofemoral pain syndrome.J Inflamm Dis.20(3):e155967.

Abstract

Background: Patellofemoral pain syndrome (PFPS) is a common musculoskeletal condition among athletes. The evidence emphasizes on the importance of hip musculature strengthening exercises for such patients. Objective: To investigate the effects of strengthening-stretching knee muscles exercises and hip posterolateral musculature exercises in athletes with PFPS. Methods: In this clinical trial, 28 athletes with age average of 22.7±2.4 years with PFPS were allocated into conventional knee muscles exercises (CKME) (n=14) and posterolateral hip muscles exercises (PHME) (n=14). The subjects of both groups performed the supervised exercise protocols in 12 sessions. The Visual Analogue Scale and 6-minute walking tests were administrated respectively to evaluate pain intensity and function. The data were analyzed using Shapiro-wilk test, Independent-sample t test, and Repeated Measure ANOVA test. Findings: Demographic, pain intensity, and physical function data were similar between groups at baseline. Both groups significantly improved in pain intensity and function following a 4-week exercise program. Additionally, the athletes in PHME group had higher level of decreased pain intensity and improved function in follow-up assessment than the subjects in CKME group. Conclusion: Using hip posterolateral musculature exercises in addition to the knee conventional exercises is more effective for athletes with PFPS.

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