Volume 19, Issue 2 (summer 2017)                   JHC 2017, 19(2): 117-128 | Back to browse issues page

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Keyhanfar A, hosseini S, Nemati N. Comparison of the Effect of Two Methods of Muscular Exercise Therapy on Pain Relief, Functional Abilities and Static Balance in patients with Chronic Patellofemoral Pain. JHC 2017; 19 (2) :117-128
URL: http://hcjournal.arums.ac.ir/article-1-785-en.html
Department of Physical Education, School of Sport Sciences, University of Guilan, Rasht, Iran
Abstract:   (3719 Views)
Background and aim: Physiotherapists often use general quadriceps strengthening methods for improving pain and function in chronic patellofemoral pain patients. Because chronic patellofemoral pain is mainly caused by atrophy of medial quadriceps, it seems that preferential strengthening of this muscle part, if possible, can lead to positive clinical results. Thus, the aim of this study was to compare the effects of general quadriceps strengthening and preferential strengthening of the medial quadriceps on pain, functional ability and static balance in patients with chronic patellofemoral pain.
Methods: In this quasi-experimental research, 60 females with chronic patellofemoral pain were randomly selected and were divided to 3 groups. general quadriceps strengthening group were participated in general quadriceps strengthening exercises as 2 days a week and every day 3 exercises, and preferential strengthening group were participated in preferential strengthening exercises of the medial quadriceps as 3 days a week and every day 3 exercises, both for 8 weak. Assessment of pain, functional ability and static balance were respectively measured by Visual Analogue Scale and WOMAC scale, and Sharpend Romberg test, before and after 8 weeks. Data were analyzed at SPSS V.21 by repeated measures analysis of variance, and paired t tests at significance level of 0.05.
Results: Both training methods were induced to decrease in rest pain (p<0.001), activity pain (p<0.01), and improvement in functional ability (p<0.01). However, percent of activity pain (p<0.05) and functional ability (p<0.001) improvement were significantly more in preferential strengthening group than in general strengthening group. Also, static balance, in preferential strengthening group significantly increased compared to general strengthening and control groups (p<0.01). But, no significant difference was observed between general quadriceps strengthening and control groups (p>0.05).
Conclusion: Contrary to common therapeutic approaches in rehabilitation centers, selective strengthening exercises to strengthen total quadriceps muscle group is strongly recommended for improving pain, functional ability and static balance of patients with chronic patellofemoral pain.
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Type of Study: quasi-experimental |
Received: 2017/01/30 | Accepted: 2017/04/26 | Published: 2017/09/7

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