EFFECTIVENESS OF CONCENTRIC VERSUS ECCENTRIC EXERCISES ON PATIENTS WITH JUMPER’S KNEE

Abstract

Background and Purpose: Effectiveness of Eccentric and Concentric quadriceps Training in patients of jumpers knee The objective of this study is to address the effectiveness of concentric versus eccentric exercises on pain and function in patients with.(Jumper’s Knee)

Study design: A pre-post experimental design was used in this study

Subjects: Thirty patellar tendons from 30patients with a long duration of pain from the proximal patellar tendon and referred to the physiotherapy and Orthopaedic Department were included in the study

Methods: visual analogue scale, which deals with pain and is a good functional rating system for active persons by Noyes FR et.al

Results: There are total 30 patients out of them there are 11 male and 4 female in group A and group B each. The Chi square test shows there is no significant gender wise distribution of patients in two groups. The mean age of patients in group A is 23.20 with SD 3.46 while the mean age of patients in group B is 23.33 with SD 3.83. The student’s t-test shows that there is no significance difference in mean age of patients in two groups.

Conclusion: This study has shown that eccentric Quadriceps training is more beneficial than concentric training. But there is no satisfactory physiological explanation for this. This study was performed on a small group. To establish the effectiveness of Eccentric   exercises on Jumper’s knee this should be done on a large group. Generalization of the study is very less because all the subjects are from same area. To increase the generalization, this study should be done on a wide range of patients.

In the present study, the effectiveness of eccentric Quadriceps training in jumper’s knee was established till the end of the study. However there is a need of follow up further.

Key words: -concentric exercise, eccentric exercise, jumpers knee, quadriceps training. ROM, VAS