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KMID : 1002720140120010019
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Journal of Korean Proprioceptive Neuromuscular Facilitation Association
2014 Volume.12 No. 1 p.19 ~ p.25
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The Effects of Action Observational Training on Muscle Onset Time and Asymmetry to Stand Up in with Stroke Patients
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Yi Min-Young
Shin Won-Seob
Kim Kyung-Hwan
Youn Hye-Jin
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Abstract
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Purpose: To investigate the effect of action observation training on the muscle onset time and symmetrical use of rectus femoris(RF) and gastrocnemius medialis(GCM) during sit-to-stand (STS).
Methods: Sixteen patients with stroke entered a single-blind trial and were randomly assigned to the experimental(Action) or control(Landscape) groups. Those in the Action observation group watched video clips showing specific movement and strategies to STS, wheas those in the control group watched video clips of static pictures showing differnet landscapes. All patients was measured the EMG data in the STS on the affected side and unaffected side. The EMG data were collected from RF and GCM while performing the STS task. The EMG onset time and onset time ratio for the RF and GCM were calculated by dividing the EMG onset time of RF and GCM action on the affected side by these on the unaffected side.
Results: Onset time of affected side RF, GCM was significantly faster action observation training group than control group(p<.05). But interventions before and after the symmetry did not show a significant increase.
Conclusion: There findings suggest that action observation training has a positive effect on the muscle onset time shortened during STS tasks.
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KEYWORD
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Action observation training, Sit-to-stand, Stroke
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