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Effect of Modified Hold-Relax and Active Warm-Up on Hamstring Flexibility
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Objective: The study aimed to find out how long the flexibility lasted after a one time modified hold relax stretching & active warm up and its comparison with modified hold relax technique alone.
Design: Pre-test, Post-test comparative study with repeated measures.
Setting: Mata Gujri Fitness center, Kailash colony, New Delhi.
Method: 30 male subjects were randomly assigned to two groups; Group A- Modified Hold Relax: On the 15 subjects a one time modified hold-relax stretching was performed. Group B: 15 male subjects completed an active warm up on treadmill followed by modified hold relax stretching. The pre stretch measurement was taken by Active Knee Extension (AKE) test. After both the interventions the post stretch measurements were taken at following intervals, 0, 6, 12, 18, 24 min, respectively.
Results: A significant improvement in ROM was observed when post stretch measurements were compared to pre test in both groups respectively. However, the flexibility lasted for longer duration that is 12 min in group B when compared to group A that is 6 min.
Conclusion: Both the methods are equally effective to improve the range of motion. But the improved ranges can be maintained for larger duration when active warm up was implemented prior to Modified hold relax stretching.
Keywords
P.N.F, Active Warm up, AKE, Flexibility
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