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KMID : 1021220130040010505
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국제물리치료학회지
2013 Volume.4 No. 1 p.505 ~ p.509
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Change of Isometric Contractile Force and Muscle Activity Applying Heat according to the Time on Biceps Brachii Muscle
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Jeon Jae-Keun
Kim Sang-Soo
Kang Da-Haeng
Kim Bo-Kyoung
Koo Ja-Pung
Moon Ok-Kon
Lee Joon-Hee
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Abstract
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This study has investigated the effect of isometric contractile force and muscle activity applying sperficial heat according to the time from the biceps brachii muscle. In this study, 20 university students participants without musculoskeletal and neurological disorders. By applying a hot pack 5min, 10min, 20min and 30min respectively. After that measurement are skin temperature, contractile force and muscle activity. Skin temperature of the hot 5 min applied that rapidly changing. Increasing the time it takes to apply a variance has been reduced(p<.001). Isometric contractile force was not statistically significant but highest when applying the hot pack 5 minutes and lowest when applying the hot pack 30 minutes(p<.001). Muscle activity and median frequency was highest when applying the hot pack 5 minutes. To analyze the above results, it was found that isometric contractile force and muscle activity changed according to the applying time. These result lead us to the conclusion that this study will be more evidence for changes in muscle contraction to apply hot pack on clinic.
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KEYWORD
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Hot Pack, Isometric Contraction, Muscle Activity, Median Frequency
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