Electromyographic Analysis of Hip Abductor Muscles during Self Training

概要

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The purpose of this study was to clarify differences of muscle activity by changing exercise position or load condition on hip abductor muscles, and to present the indicator for self training. Seven healthy volunteers participated in this study. All subjects performed hip abduction under 16 conditions, 1-3) 0kg, 1.5kg and 3kg weights in lateral position, 4-6) 0kg, 1.5kg and 3kg weights in supine position, 7-9) 0kg, 1.5kg and 3kg weights in prone position, 10-12) 0kg, 1.5kg and 3kg weights in standing position, 13) side stepping, 14) contralateral pelvic rise, 15) wall pushing and 16) maximum voluntary contraction. Electromyographic activity was detected during each task in the gluteus medius and the tensor fascia lata muscles using surface electrodes. As a result, the normalized integrated EMG of gluteus medius and tensor fascia latae increased with resistant weight increase in lateral position. However, there were no significant differences between each weigh in prone, supine and standing position. In addition, the EMG activity of hip abduction at the 0kg weight in the lateral position was the same as the activity while side stepping, wall pushing, or unilateral pelvic rising. It is consider that these results are indicators to use in programming self-training for the hip abduction.
新潟医療福祉大学の論文