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http://dx.doi.org/10.5762/KAIS.2011.12.9.3952

Kinetic analysis of the lower limb in visual handicap children  

Yi, Jae-Hoon (Adapted Physical Activity Laboratory, Korea Nazarene University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.9, 2011 , pp. 3952-3958 More about this Journal
Abstract
This study was to investigate the difference in gait pattern between the visual handicap children and non handicap children in by analyze the biomechanical variation and pattern of lower limb. Therefore, we have made a choice of four visually handicapped children and two subjects, who had no medical disorder for the last six months. In order to collect the gait pattern data of each group, we have used six infrared cameras and one forceplate Also, we have used QTM program to collect the raw data and Visual3D program to calculate kinetic variable. The results were as follows, An/Posterior GRF of breaking phase and propulsion phase in stance phase was lower in visual handicapped children than that of non handicapped children and breaking phase was longer than propulsion phase. extension moment at the ankle was quite lower than general gait pattern and there was little variation at the knee joint which makes the results differ from the general gait pattern. However, hip joint moment was relatively higher than that of other joints. Mechanical variation of lower limb, in case of foot and shank, showed similar results. but generated very low mechanical energy. In thigh, the form of mechanical energy generation was slightly different in each group but generated more mechanical energy than other segments.
Keywords
Visual Handicap; GRF; Moment; Mechanical Energy;
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Times Cited By KSCI : 2  (Citation Analysis)
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