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이정우,전성민,배종연,손송찬,송은진,이형욱,이혜경,조백광,조성빈,주진희,진하연,황정현,김민희 대한고유수용성신경근촉진법학회 2024 PNF and Movement Vol.22 No.1
Purpose: The purpose of this study was to investigate the effects of three relaxation techniques, namely, Static StretchingExercise (SSE), Eccentric Contraction Exercise (ECE), and Suboccipital Muscle Release (SMR) on the flexibility and balanceof the lower limb in adults with hamstring shortening. Methods: The participants were 45 adults in their 20s with hamstring shortening. They performed three exercises (i.e., SSE,ECE, and SMR) for two weeks. We measured flexibility, muscle tone and stiffness, proprioception, and balance before and afterthe intervention, applying each relaxation technique. Data were analyzed using two-way repeated measures analysis of variance(ANOVA). The significance level was set at α=0.05. Results: Flexibility increased in the SSE, ECE, and SMR groups, with the SSE group showing the greatest improvement. Muscletone and stiffness decreased in all groups, with the ECE group exhibiting the highest reduction. Proprioception increased in theSSE, ECE, and SMR groups, with SSE demonstrating the greatest enhancement. Balance also increased in all groups, with the ECE group showing the most pronounced improvement. Conclusion: Overall, all three relaxation techniques for hamstring shortening resulted in improved flexibility, muscletone and stiffness, proprioception, and balance of the lower limb in adults with hamstring shortening. The findings ofthis study underscore the importance of selecting an appropriate technique according to the purpose of treatment andthe condition of the patient.