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KMID : 0361420070310030317
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Journal of Korean Academy of Rehabilitation Medicine
2007 Volume.31 No. 3 p.317 ~ p.323
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Effect of Slow Walking Speed on Gait
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Kim Deog-Young
Park Chang-Il
Lee Don-Sin
Lim Jong-Youb
Choi Yong-Seok
Moon Ja-Young
Kim Dug-Young
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Abstract
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Objective: To investigate the effect of slow walking speed on the gait.
Method: Twenty healthy young male subjects were recruited. The temporospatial data, kinematic and kinetic data in sagittal plane at two different walking speed (2 km/hr, 4 km/hr) were obtained through three dimensional analyzer with the force plate, and compared these parameters at slow gait speed to those at normal gait speed.
Results: The cadence and step length decreased significantly and double support time increased significantly (p<0.05) at slow speed compared to at normal speed. The most peak angle of hip, knee and ankle joint decreased, maximal ankle dorsiflexion angle in stance phase increased significantly at slow speed compared to at normal speed (p<0.05). The most maximal extension and flexion moment and power in sagittal plane decreased compared to at normal speed (p<0.05).
Conclusion: The results of this study demonstrate that only slow walking speed without any pathology may change the temporospatial, kinematic and kinetic parameters of gait, and these results may be useful to interpret the data of gait analysis in the disabled persons with slow walking speed.
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KEYWORD
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Walking Speed, Kinematic data, Kinetic data
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