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KMID : 1002720100080020009
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Journal of Korean Proprioceptive Neuromuscular Facilitation Association
2010 Volume.8 No. 2 p.9 ~ p.15
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Comparison of different ground contacts on muscle activation of post-stroke hemiparesis during step-up activity
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Youn Hye-Jin
Oh Duck-Won
Kim Kyung-Hwan
Ki Kyong-Il
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Abstract
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Purpose：This study aimed to investigate the effect of differing ground contact conditions on the eletromyographic(EMG) activity in rectus femoris, biceps femoris, tibialis anterior, gastrocnemius medialis during step-up activity in patients with hemiparesis.
Methods：10 hemiparetic patients performed step-up activity on three different ground contact conditions: entire ground contact, 2/3 ground contact, 1/3 groud contact.
Result：The EMG activities of gastrocnemius medialis significantly changed on 1/3 ground contact(p<.05). However, no significant changed rectus femoris, biceps femoris, tibialis anterior between three differing ground contact conditions (p>.05).
Conclusion：This study provides that EMG activities of gastrocnemius medialis significantly changed on different ground contacts. Therefore, this method can be used to strengthen the gastrocnemius medialis.
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KEYWORD
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Hemiparesis, Step-up, Muscle activity, Ground contact condition
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