KMID : 0357220150270030159
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Journal of Korean Society Physical Therapy 2015 Volume.27 No. 3 p.159 ~ p.163
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Variations in Stroke Patients' Muscle Activity during Head Rotation in Non-Paretic-Side Weight Bearing
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Lee Kwan-Sub
Choe Han-Seong Lee Byung-Joo
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Abstract
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Purpose: This study aimed to determine the interaction among the neck, trunk, and lower extremities on the non-paretic side in head rotation along with non-paretic-side weight shifting of stroke patients. To compare stroke patients¡¯ ability to control posture through muscle activity variation related to pertubation during head rotation along with the non-paretic limb.
Methods: We tested 15 hemiplegic patients and 15 normal individuals. Each group¡¯s muscle activity was measured by electromyography in neutral head position and head rotation position. We compared each group¡¯s resu lt based on measured values in patients¡¯ non-paretic neck muscles, trunk muscles, and lower limbs muscles activation.
Results: The study showed that muscle activity increased in the sternocleidomastoid muscle (102.26%, 53.00%), splenius capitis muscle (97.93%, 54.93%), erector spinae muscle (241.00%, 127.60%), external oblique abdominal muscle (256.66%, 152.00%), and internal oblique abdominal muscle (252.80%, 152.6%), peroneus longus muscle (117.53%, 137.13%) and gastrocnemius muscle (119.06%, 137.20%), while the results for the sternocleidomastoid muscle, splenius capitis muscle, erector spinae muscle, external oblique abdominal muscle, internal oblique abdominal muscle, peroneus longus muscle, and gastrocnemius muscle showed a statistically significant difference (p<0.05).
Conclusion: It is hard for stroke patients to engage in normal movement control under suggested conditions because of the insufficient movement against gravity on the stroke patient¡¯s non-paretic side and impaired cooperative patterns. To solve these problems, patients need their bodies to improve through effective movement, resulting in advanced control of their effective and functional activity.
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KEYWORD
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Head movements, Stroke, Weight bearing
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