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Chapter 10 & 11 - axial musculature 2 and appendicular musculature 1 Organ 2012

Chapter 10 & 11 - axial musculature 2 and appendicular musculature 1 Organ 2012

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1 Muscles of the Neck The key muscle of the neck is the sternocleidomastoid It is innervated by the 11 th cranial nerve (CN XI) - the Accessory n. It rotates and orients the face cranially It divides the neck into two triangles, the anterior and posterior. Note that the anterior (located between the two sternocleidomastoid mm is an upside down triangle). The attachments of this muscle are clearly outlined in its name: sternum (sterno), clavicle (cleido) and mastoid process .
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