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족저 변형이 지지면 안정성에 따라 자세조절능력과 하지근활성도에 미치는 영향
신빛(Shin, Bit),김범수(Kim, Bum-Soo) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.3
The purpose of this study is to find out the effects of variations pronation foot posture control capability and leg muscle activity in accordance with the support surface stability. Female 20 of 20 healthy subjects with early (flatfoot 10 people, the normal group 10) was a centering step was inspection tests gave four conditions; ground stability (stable ground, unstable ground). Posture control capacity of the center of gravity can catch maximum time period was measured and the surface electromyogram (NORAXON, USA) using any of the eight kinds of muscle activity of the muscle was measured. By checking the status of each was measured three times and the average value was used. Methods of statistical analysis of intergroup differences was used for multi variate within-group differences were analyzed using a paired sample. Stability of the support surface and the visual information presence or absence affects the postures control capability and to muscle activity. However, significant differences in the effects on group was not observed.