A Study to Compare the Effectiveness of Concentric and Eccentric Training Program for Patients with Lateral Epicondylitis
Keywords:Concentric exercise, Eccentric exercise, lateral epicondylitis, NPRS scale, PRTEE.
Background: Lateral epicondylitis is considered to be the most prevalent overuse injury which affects 1% to 3% of
the total population among all age groups and genders. The tendon of extensor carpi radialis brevis gets affected
and can be strengthened by resistance exercises. It also affects plumbers, carpenters ,housewives etc. The daily
activities are interrupted which increases pain in lateral epicondylitis can be treated conservatively and surgically.
Purpose: To compare the effectiveness of concentric vs Eccentric training programs for lateral epicondylitis by
Materials and Methods: 68 subjects were selected from Active physio care physiotherapy clinic based on the
inclusion and exclusion criteria. The detailed procedure for performing the study was explained to the subjects,
and the informed consent form was collected from them before starting the study. The pre and post test values
were measured using the numerical pain rating scale (NPRS) and pain rated tennis elbow evaluation (PRTEE). The
subjects selected based on the inclusion and exclusion criteria were divided into two groups: concentric group and
Eccentric group (n = 34). Study period : November 2022 to April 2023.
Results: Statistical analysis of numerical pain rating scale and pain rated tennis elbow evaluation post test result
revealed that both groups show similar effect but Eccentric exercise Group (Group B) exceeds Concentric Exercise
group (Group A) with p VALUE of p<0.0001.
Conclusion: When comparing the concentric group to the Eccentric group, the Eccentric group indicates significant
effects in improving the strength of the elbow, improving the functional activity and strength of the forearm
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