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KMID : 0357220090210010035
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Journal of Korean Society Physical Therapy
2009 Volume.21 No. 1 p.35 ~ p.40
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Comparison of Muscle Activity with Lower Extremity during Stairs and Ramp Climbing of Old Adults by EMG
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Han Jin-Tae
Gong Won-Tae
Lee Yun-Seob
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Abstract
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Purpose: The purpose of this study was to investigate change of muscle activities during level walking, stairs and ramp climbing in old adults.
Methods: Twelve old adults were recruited and agreed this study. Muscle activity was measured by MP150 system (BIOPAC System Inc., Santa Barbara, USA). Statistical analysis was used one-way ANOVA to know the difference according to gait conditions (level walking, stairs and ramp ascending)
Results: In stance phase, muscle activities of low extremities with old adults were generally significant difference in ramp ascending. In swing phase, rectus femoris and biceps femoris activity in old adults generally more increased during stairs ascending and tibialis anterior and gastrocnemius activity in old adults generally increased during ramp ascending.
Conclusion: These results indicate that stair and ramp climbing is different muscle recruit pattern to level walking.
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KEYWORD
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Old adults, Muscle activity, Ramp, Stairs
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