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http://dx.doi.org/10.5143/JESK.2009.28.3.033

The Study on 3-Axes Acceleration Impact of Lower Limbs Joint during Gait  

Oh, Yeon-Ju (Department of Industrial and Management Engineering, Dongeui University)
Lee, Chang-Min (Department of Industrial and Management Engineering, Dongeui University)
Publication Information
Journal of the Ergonomics Society of Korea / v.28, no.3, 2009 , pp. 33-39 More about this Journal
Abstract
Impact force to a body during walking depends on walking speed, walking steps, the condition of the floors and shoes, and weight. The ground reaction force and the foot pressure can be measured instantaneous force easily, but it's difficult to find out the amount of transferring forces to the body. On the other hand, the acceleration has an advantage for analyzing the amount of transferring forces. However, most of studies about impact forces to the ground reaction during exercise have been limited to analyze instantaneous forces. The important thing is to evaluate characters and the amount of the impact force rather than the magnitude. Therefore, this study analyze the impact force using 3 axis acceleration in three dimensions (x; anterior-posterior, y; left-right and z; longitudinal axis) using three axis acceleration. As working speed increased, impact forces increased significantly. Impact forces on x axis and z axis are higher at lower limb than that of upper limb. However, impact force at the knee is higher than that of other parts on y axis regardless of walking speed significantly. In addition, relations of the impact forces as interaction of experiment factors as well as effect of each factor are analyzed.
Keywords
Impact force; Acceleration; Gait;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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