- Volume 11 Issue 2
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Comparison of Multimodal Posture of Healthy Adults on the Usage Rate of the Superficial Neck Muscles during Head and Neck Rotation
정상인들의 다양한 자세에서 두부와 경부의 회전 동안 경부 표층 근육들의 사용 비율
Hwang, Tae-Yeun;Song, Hyun-Seung;Lee, Nam-Yong
- Received : 2016.02.17
- Accepted : 2016.03.22
- Published : 2016.05.31
PURPOSE: This study was conducted to compare the levels of usage of the superficial neck muscles during head rotation in forward head posture and in multimodal postures for improvement of cervical rotation movement impairment. METHODS: To acquire electromyography (EMG) signals from the sternocleidomastoid (SCM-M), upper trapezius (UPT-M), and the splenius capitis (SPC-M) muscles, 11 subjects practiced right rotation of the head in forward head postures (FHP), upright sitting postures (USP), upright sitting postures with supported arms (SUP), standing postures with the arms leaning against the wall (WSP), and four feet postures (FFP), respectively. RESULTS: The left SCM-M was used significantly more in the FFP compared to the FHP, but not in other postures (p<0.01). The left UPT-M was used significantly more in all postures other than the FHP. The right SPC-M was used significantly more in the FFP (p<0.001) and significantly less (p<0.05) in the SUP compared to the FHP. CONCLUSION: During the rotation of the head, although the usage of the SPC-M significantly decreased in SUP compared to FHP but the usage of the SCM-M and UPT-M did not decrease significantly in other postures compared to FHP. Further research is necessary to prove the hypothesis that special postures may reduce the activity of the superficial neck muscles during head rotation.
Neck Muscle;Head Rotation;Movement impairment;EMG Integration;Posture
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