Journal of The Korean Society of Physical Medicine

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Table. 3.

Table. 3.

Compared EMG Depend on Neck Position


Muscle Maximal Muscle Strength Neutral Flexion t p
Biceps 50-60% 36.19 ± 12.13 39.09 ± 15.44 -1.55 .13
60-70% 35.50 ± 13.83 36.43 ± 13.12 -.54 .59
70-80% 34.06 ± 12.81 35.30 ± 15.21 -.57 .57

SCM 50-60% 39.01 ± 11.72 37.51 ± 14.71 .57 .57
60-70% 34.54 ± 13.84 37.30 ± 17.26 -.71 .48
70-80% 37.93 ± 14.98 34.18 ± 15.32 2.27 .03*

Ant. Deltoid 50-60% 41.08 ± 14.53 46.20 ± 16.77 -2.90 .00*
60-70% 41.60 ± 21.04 43.57 ± 18.77 -.92 .36
70-80% 41.44 ± 17.07 42.41 ± 20.30 -.63 .53

Mean ± Standard Deviation, * p < .05

EMG: electromyography, SCM: sternocleidomastoid

J Korean Soc Phys Med 2021;16:9-16 https://doi.org/10.13066/kspm.2021.16.1.9
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