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KMID : 1021220170080011084
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국제물리치료학회지
2017 Volume.8 No. 1 p.1084 ~ p.1089
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Kinetics Analysis during Stance Phase of Fore Foot Contact versus Rear Foot Contact in Running
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Cho Woong
Han Jae-Woong
Kim A-Young
Park Sung-Kyu
Kim Hyung-Soo
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Abstract
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The purpose of this study was to compare and analyze the difference of the ankle joint movements during landing. Seven adult males voluntarily participated in the study and the average foot size of the subjects was 269.8 mm. Image analysis equipment and the ground reaction force plate (landing type) was used to measure th kinetic variables. As a result of this study, it was confirmed that the vertical ground reaction force peak point appeared once in the barefoot with forefoot, while two peak points appeared in the barefoot and functional shoe foot with rear foot landing. About ankle angle, fore foot landing ankle angle, the average with bare foot landing was -10.302° and the average with functional shoe foot landing was -2.919°. Also about rear foot landing, ankle angle was 11.648° with bare foot landing and 15.994° with functional shoe landing. The fore foot landing, ankle joint force analysis produced 1423.966N with barefoot and 1493.264N with functional shoes. But, the rear foot landing, ankle joint force analysis produced 1680.154N with barefoot and 1657.286N with functional shoes. This study suggest that the angle of ankle depends on the landing type and bare foot running/functionalized shod running, and ankle joint forces also depends on landing type.
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KEYWORD
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Motion Analysis, GRF, Injury, Joint Force, Running
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