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KMID : 1194820060020010011
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Journal of Korean Society of Sports Physical Therapy
2006 Volume.2 No. 1 p.11 ~ p.19
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A change of balance ability and EMG analysis of ankle jointaround muscle by balance traning at an unstable footboard during 4 wks
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Han Sang-Wan
Jeong Jong-Ho
Lee Hwa-Ju
Lim Hyeon-Jeong
Jeon Gwang-Yeol
Jeon Jin-Hul
Jeong Ra-Yeong
Jeong Mi-Ja
Jeong Su-Ji
Jo Chan-Yong
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Abstract
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The purpose of this study is to strengthen a function of muscles near ankle joints and to show a method of exercising the muscles injured. The subjects were divided into 3 groups such as, AIREX group(n = 81, Air cushion group(n = 8), Posturomed group(n = 8) from healthy student in Kwangju Health college. During the training, these subjects putted their weights with recessiveness leg, and they put their arms on their chests, kept flexing their knee joints and their hip joints 90 degrees of an angle for 10 seconds. We carried out the traing 10 times a set, 3 sets a day and 5 times a week. We checked the balance ability before and after the training and compared the muscle activity with sEMG. Groups applied AIREX, Aircushion, Posturomed had differences according to the balance ability. We compared the muscle activity of muscles near ankle joints so we can be aware of that tibialis anterior was decreased at AIREX, tibialis posterior was decreased at Air cushion, peroneus longus was decreased at Posturomed. gastro- nemius’s muscle activity was increased altogether at a foothold by an operation of flexion of knee joints. Doing balance training at an unstable foothold can have an effect on strenthening the muscles near ankle joints and increasing the balance ability by stimulating the proprioceptor.
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KEYWORD
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Ankle joint, sEMG, Proprioceptor, Balance ability
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