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KMID : 1021220110020010222
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국제물리치료학회지
2011 Volume.2 No. 1 p.222 ~ p.228
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Comparative Analysis of Maximum Vertical Reaction Force and Lower Limbs on Drop Landing between Normal and Flat Foot Group
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Yoo Kyung-Tae
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Abstract
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With comparison of maximum vertical reaction force and lower limb on drop landing between normal and flat foot group, this study is to provide fundamental data of the prevention of injury and the treatment of exercise which are frequently occurred on flat foot group’s drop landing. The surface electrodes were sticked on lateral gastrocnemius muscle, medial gastrocnemius muscle, tibialis anterior and the drop landing on a force plate of 40cm was performed with a normal group who had no musculoskeletal disease and a flat foot group of 9 people who had feet examinations. Vertical reaction force were significantly statistically different between two groups(p<.001). Muscle activity of lower limbs in all three parts were not statistically different but showed high tendency on average in the flat foot group. The flat foot group had difficulties in diversification of impact burden and high muscle activity. Therefore, it was suggested that muscular strengthening of knee joints and plantar flexions of foot joints which were highly affected in impact absorption will be required.
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KEYWORD
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drop landing, flat foot, vertical reaction force, muscle activity
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