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KMID : 1211620130080010049
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Journal of the Korean Society of Physical Medicine
2013 Volume.8 No. 1 p.49 ~ p.58
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A Biomechanical Gait Analysis of Patients with Parkinson’s Disease by Auditory Cues Velocity
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Kim Eun-Jung
Han Jin-Tae
Jung Jae-Min
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Abstract
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PURPOSE: The purpose of this study was to determine if auditory cues velocity has a greater effect on the gait pattern of patients with Parkinson’s disease (PD) than the cues applied individually.
METHODS: The subjects were 15 elderly patients diagnosed with PD, 15 healthy elderly persons. Patients were measured of three conditions performed in random order: slow, general, fast. The auditory cue velocity consisted of a metronome beat±20% than the subject’s general gait speed. Using a motion analysis and a force platform measurement system, changes in spatiotemporal variables, kinetic and kinematic variables were compared to gait analysis.
RESULTS: Comparison between the auditory cues velocity, there was a significant difference in the spatiotemporal variables with regard to the cadence, stride length, support time, step length, double support time (p<.05). Comparison between the auditory cues velocity, there was a significant increase general and fast velocity gait than slow velocity gait in the maximum flexion in swing phase of knee joint (p<.05). There appears to be the aspect of an increasing ground reaction force (GRF) on the first peak in the vertical axis (p<.05).
CONCLUSION: Auditory cues velocity improved of spatio-temporal factors, kinematic and kinetic factors depending on the velocity of the faster. Therefore at the rehabilitation training of PD patients auditory cues velocity would be used for recovery and gait reeducation, may arise through the patients functional ability.
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KEYWORD
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Parkinson’s disease, Auditory cue, Velocity, Gait
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