계단 오르고 내리기시 엉덩관절 내회전이 무릎관절 폄근과 엉덩관절 벌림근 근활성도에 미치는 영향

The purpose of this study was to examine the effect of the hip internal rotation on knee extensor and hip abductor electromyographic (EMG) activity during stair up and stair down mobility. Eighteen healthy subjects were recruited. All subjects performed stair up and down movements on a step of 30cm ...