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http://dx.doi.org/10.9718/JBER.2011.32.1.061

The Analysis of GRF and joint angles of young and older adult by Vibration Stimulation on the Ankle-Joint in stair-descent activity  

So, H.J. (Department of Healthcare Engineering, Chonbuk National University)
Kwak, K.Y. (Department of Healthcare Engineering, Chonbuk National University)
Kim, S.H. (Center for Healthcare Technology Development)
Yang, Y.S. (Division of Biomedical Engineering, Chonbuk National University)
Kim, N.G. (Sixty Plus co.)
Kim, D.W. (Division of Biomedical Engineering, Chonbuk National University)
Publication Information
Journal of Biomedical Engineering Research / v.32, no.1, 2011 , pp. 61-73 More about this Journal
Abstract
The purpose of this study was to investigate changes in the center of pressure (COP), ground reaction force (GRF) and joint angles of elderly people and young people while stair-descent. The participants in this experiment were 5 elderly people and 5 young people, each of which was asked to descend stairs of three different heights (8 cm, 16 cm, and 32 cm). As they climbed down the stairs, they received vibration stimulation on the lower limb. The change of COP, GRF and joint angles were analyzed during the standing phase. COP decreased as the Achilles tendon and tibialis anterior tendon were vibrated. Vertical GRF increased as the Achilles tendon was vibrated, and the joint angle differed according to vibration stimulation conditions. These results mean that ankle joint, knee joint and hip joint were influenced by the vibrations on the lower limb as the participants descended the stairs. It was concluded that the vibration stimulation on the lower limb allowed the participants to efficiently climb down the stairs.
Keywords
Somatosensory; gait pattern; ground reaction force; 3D motion analysis; joint angle;
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Times Cited By KSCI : 5  (Citation Analysis)
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