– Insertion: lateral third of clavicle, acromion, and spine of scapular
– Acton: draw the scapula toward vertebral column. supper fibers elevate scapula, lower fibers depress scapula; if scapula is fixed, one side acting along, draws head toward the same side, and turn face to opposite side; both sides together, draw head directly backward
腱 腱系膜
指骨
头肌
• 可分为面肌和咀嚼肌
• （一） 面肌 facial muscles 又称 表情肌：主要分布于面部裂孔 周围，呈环状和放射状分布。大体 可分为四群：
•
颅顶肌 epicranius：枕额肌：
枕腹、额腹 、帽状腱膜
•
眼轮匝肌 orbicularis oculi：
使睑裂闭合
• 口周围肌 orbicularis oris：
肌
• Transversus thoracis 胸横肌
Major muscles of thorax
• Intercostales externi 肋间外肌
– Origin: inferior border of rib above – Insertion: superior border of rib
• Sternohyoid 胸骨舌骨肌 • Thyrohyoid 甲状舌骨肌 • Sternothyroid 胸骨甲状肌 • Omohyoid 肩胛舌骨肌
