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来自维基百科,自由的百科全书
胸锁乳突肌(Sternocleidomastoid),又稱鎖乳突肌,是两块位于颈部,使頭部前推或轉動的肌肉。
每塊胸鎖乳突肌從胸骨延伸到頸兩側耳朵下面的一點,還連接到鎖骨和頭骨的顳骨上。當這兩塊肌肉同时收縮時,頭部会被向前拉。若只有一塊收縮時,可使頭部轉動。
〈人體學習百科〉 貓頭鷹出版社 ISBN 957-9684-11-1
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