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KMID : 1137820110320020093
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의공학회지
2011 Volume.32 No. 2 p.93 ~ p.104
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Effects of Somatosensory Stimulation on Lower-Limb Joint Kinetic of Older Adult During Stair Descent
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Kwak K. Y.
So H. J.
Kim S.-H.
Yang Yoon-Seok
Kim Nam-Gyun
Kim Dong-Wook
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Abstract
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The purpose of this study was to investigate lower-limb joint torque of the two groups as it changed by somatosensory stimulation during the descent down three stairs of different heights and to describe the difference between the two groups, which are young people group and elderly people group. Subjects of each groups climbed down a stair at four stimulation conditions, which are non-stimulation, tibialis anterior tendon stimulation, achilles tendon stimulation, tibialis anterior - achilles tendon stimulation. Motion capture data were collected using 3D optoelectric motion tracking system that utilizes active infrared LEDs, near infrared sensor and force plate. The obtained motion capture data was used to build 3D computer simulation model. The results show that lower-limb joint torque of the two groups changed with somatosensory stimulation as they descended the stairs and the joint torque of the two groups differed from each other.
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KEYWORD
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Stair descent, Somatosensory stimulation, Human Simulation, Lower-limb, Kinetics, Joint torque
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