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KMID : 1211620230180010015
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Journal of the Korean Society of Physical Medicine
2023 Volume.18 No. 1 p.15 ~ p.24
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Effect of Blood Flow Restriction Resistance Exercise in Twenties on Biceps Activity, Fatigue and Hemodynamic Variables
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Jeong Dae-Keun
Kang Jeong-Il
Park Jun-Su
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Abstract
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PURPOSE: This study examined the effects of lowintensity resistance exercise combined with blood flow restriction on muscle activity and muscle fatigue to determine if such a combination may be an alternative to high-intensity resistance exercise in maintaining the muscle mass and strength and preventing degenerative loss of skeletal muscle and to provide basic data for presenting the effectiveness of exercise.
METHODS: The interventions were provided for five weeks, four sessions a week, once a day, 60 minutes a session to Experimental group I (n = 13), in which low-intensity resistance exercise was applied by combining blood flow restriction with the biceps curl and experimental group II (n = 12), in which only high-intensity resistance exercise was applied. As a pre-test, the biceps brachii muscle activity and fatigue were measured by surface electromyography, and the hemodynamic variables, such as blood pressure and heart rate, were measured. The post-test was performed identically to the pre-test and compared and analyzed with the pre-test.
RESULTS: A significant difference within-group was observed in the biceps brachii muscle activity and fatigue in experimental group I and only in biceps brachii activity in experimental group II. No significant differences were observed between the two groups.
CONCLUSION: Since the low-intensity resistance exercise combined with blood flow restriction has similar effects to high-intensity resistance exercise, it is considered an alternative for improving muscle function in groups unable to perform high-intensity resistance exercise.
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KEYWORD
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Blood flow restriction, High-intensity resistance exercise, Lower-intensity resistance exercise, Muscle activity, Muscle fatigue
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