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KMID : 1021220170080011077
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국제물리치료학회지
2017 Volume.8 No. 1 p.1077 ~ p.1083
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A Study on the EMG Activity of Abdominal Muscles with Stable and Unstable Bridging Exercises in Individuals with Healthy Subjects
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Lee Jun-Cheol
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Abstract
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The purpose of this study was to investigate the effects of stable and unstable bridging exercises on the EMG activity of abdominal muscles. Twenty healthy women participated in this study and the muscle activities of left-right rectus abdominis (RA), external oblique (EO), and internal oblique (IO) muscles were recorded during 4 bridging exercises (unilateral/ bilateral, stable/unstable). The activity of the right EO muscle was the highest during unilateral exercise in unstable condition, and left EO muscle also produced the same result. The activity of the right IO muscle was the highest during unilateral exercise in an unstable condition, and left IO muscle also produced the same result. The activity of the right RA muscle was the highest during unilateral exercise in a stable condition, and left RA muscle produced the same result. Unstable/unilateral (USUL) represented the highest activity among the 4 exercises. EO/IO muscles represented the highest activity during the USUL exercise, and RA did so during the stable/unilateral exercise. These results suggest that specific posture (USUL) can be administered targeting a specific side of abdominal muscles.
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KEYWORD
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Stable Condition, Unstable Condition, Bridging Exercise, Abdominal Muscle, EMG Activity
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