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KMID : 1195020230190010009
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Archives of Orthopedic and Sports Physical Therapy
2023 Volume.19 No. 1 p.9 ~ p.16
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The Effects of Hold-Relax Technique and Foam Roller Techniques for Stretching the Shortened Hamstrings on Range of Motion, Flexibility and Muscle Tone
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Kim Dong-Woo
Lee Yang-Jin
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Abstract
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Purpose: We investigated the effects of the hold-relax and foam roller techniques on the range of motion,flexibility, and tone of shortened hamstring muscles.
Method: The study included 24 participants who were randomly categorized into hold-relax and foam rollergroups. Both groups performed the assigned task thrice a week for a total of 5 sets of 15 s each on thehamstring muscles for 6 weeks. Range of motion was evaluated using a goniometer, flexibility was evaluatedusing the sit and reach test, and muscle tone was measured using a myotone. We evaluated joint range ofmotion, flexibility, and muscle tone pre- and 6 weeks post intervention in both groups.
Results: We observed a significant intergroup difference in range of motion and flexibility after 6-week training.
Conclusion: The hold-relax technique was more effective than the foam roller technique for stretching exerciseto improve range of motion and flexibility of shortened hamstring muscles.
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KEYWORD
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Flexibility, Foam roller, Hold-relax, Hamstring, Range of motion
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