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KMID : 1023920160180020009
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Journal of the Korean Academy of Kinesiology
2016 Volume.18 No. 2 p.9 ~ p.17
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Effects of Wearing Compression Stockings on Number of Repetitions, Heart Rate, Exercise Duration and iEMG during five sets of 10 Repetition Maximum (RM) Squats
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Kang Hyun-Joo
Lee Byung-Kun
Kim Ki-Hong
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Abstract
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PURPOSE: The purpose of this study was to investigate effects of wearing compression stockings on number of repetitions, heart rate, exercise duration and iEMG.
METHODS: A total of 7 male students(22.0±2.8 yr; 174.0±5.8 cm; 75.2±11.0kg) who were free of lower extremity injury participated in this study. One and 10 RM of squats were measured. Five sets of 10 RM squats were performed with and without wearing compression stockings with resting intervals of 2 minutes between sets. Surface electrodes were placed over the rectus femoris and gastrocnemius muscles to measure muscle activation via iEMG. Paired t-tests and repeated ANOVA were conducted to determine differences between groups with statistical significance at p<.05.
RESULTS] The compression stocking significantly increased numbers of repetitions during the first 3 sets: 2.4(24%), 1.2(13.6%), and 1.3(16.7%), respectively. Significant differences were found between groups for the set 1-3(p<.01, p<.05, p<.05). However, there was no significant difference between groups in number s of repetitions during the set 4 and 5. Similarly, no differences were found in both groups during any of sets for the other variables: heart rate, exercise duration, and iEMG.
CONCLUSION: The compression stocking demonstrated an increase in number of repetitions, but had no changes in heart rate, exercise duration, and iEMG, which is related to efficiency of squat exercise.
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KEYWORD
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iEMG, squat, compression stocking, number of repetitions, iEMG
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