试验记录胸锁乳突肌两端、前斜三角肌、颈伸肌及上斜方肌的表层肌电活动度。
Surface electromyographic activity was recorded bilaterally from the sternocleidomastoid, anterior scalene (AS), cervical extensor (CE) and UT muscles.
象胸锁乳突肌、斜方肌等颈部大的肌肉，是颈椎活动的主要动力。
The large neck muscles, such as the sternocleidomastoid and the trapezius, enable the gross motor movements in the neck.
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