title: Effects of shoe type on lower extremity muscle activity during treadmill walking.
abstract: [Purpose] The purpose of this study was to analyze the effects of different shoe types on lower extremity muscle activity in healthy young women by using electromyography. [Subjects and Methods] Fifteen healthy young women in their 20s were included in this single-group repeated measures study. The subjects were divided into three groups: Converse sneakers, rain boots, and combat boots. The subjects walked on a treadmill at 4 km/h for 30 min, during which six muscles were examined using electromyography: the rectus femoris, vastus medialis, semimembranosus, tibialis anterior, peroneus longus, and medial head of the gastrocnemius. Between switching shoe types, a 24-h rest period was instated to prevent the fatigue effect from treadmill walking. [Results] One-way analysis of variance used to compare electromyography results among the three groups showed that the main effect of group differed significantly for the vastus medialis. Vastus medialis activity was higher in the rain boots group than the Converse sneakers group, and it was higher in the combat boots group than rain boots group. [Conclusion] Shoe type affects lower extremity muscle activity. Our findings may help individuals choose the ideal shoes for daily walking.
authors.affiliation: Department of Physical Therapy, Namseoul University, Republic of Korea.
authors.forename: Mi-Kyoung
authors.initials: MK
authors.lastname: Kim
authors.affiliation: Graduate School Physical Education, Kyung Hee University, Republic of Korea.
authors.forename: Young-Hwan
authors.initials: YH
authors.lastname: Kim
authors.affiliation: Department of Physical Therapy, Namseoul University, Republic of Korea.
authors.forename: Kyung-Tae
authors.initials: KT
authors.lastname: Yoo
keywords: Electromyography; Lower extremity; Shoe type
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