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KMID : 1211620140090040347
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Journal of the Korean Society of Physical Medicine
2014 Volume.9 No. 4 p.347 ~ p.354
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Effect of Shoes Sole Form on Knee and Ankle Muscle Activity
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윤세원:Yoon Se-Won
이정우:Lee Jeong-Woo/최명심:Choi Mung-Sim
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Abstract
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PURPOSE : This study was to examine changes in muscle activity of lower extremity shoes sole form (high heels, shoes with curved out sole, house shoes).
METHODS: The subjects of this study were 12 women in their twenties. They put three kinds of shoes (high heels, shoes with curved out sole, house shoes) and walked 5ｍ. The muscles activities of lower extremity muscles (rectus femoris, vastus medialis, tibialis anterior, gastrocnemius medial part) were measured using a wireless electromyogram (EMG). Rectus femoris was attached to 1/2 position at the distance between ASIS and knee bone and vastus medials was attached to 2cm from upper inside of knee bone. Tibialis anterior was attached to 75％ position above line connecting knee joint and ankle joint and gastrocnemius medial part was attached to 3 5％ position above knee joint and ankle.
RESULTS: It was found that there were significant differences in changes of muscles activities of lower extremity muscles (rectus femoris, vastus medialis, tibialis anterior, gastrocnemius medial part) on shoes sole forms (p<.05). All lower extremity muscles were showed high muscles activities, when high heels wear (p<.05). Wearing shoes with curved out sole was showed high muscle activity of tibialis anterior and lower muscle activity of gastrocnemius medial part compared with wearing house shoes (p<.05).
CONCLUSION: Shoes sole form should be considered when patients with knee and ankle joint problems choose shoes because muscles were showed different activities according to shoes sole forms.
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KEYWORD
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Shoes sole form, Muscle activity, Motion analysis
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