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Neck Muscles
...  muscles do most of the work for moving the head around. Trapezius muscles – these muscles can do multiple actions, including pulling the scapula towards the body as well as neck extension. sternocleidomastoid muscles – these muscles, individually, are responsible for turning the head in opposite sides. Together, they are used for neck flexion. Disorders to these neck muscles are  ...

Accessory Nerve
...  nervous system provides motor innervation for two muscles of the neck. These two muscles are the trapezius muscle (responsible for the elevation of the shoulder and abduction of the scapula) and the sternocleidomastoid muscle (tilts and rotates the head). What happens when the nerve is damaged or injured? In order to test for the function of the spinal accessory nerve, medical experts perform  ...

Veins To The Head And Neck
...  people think about the existence of the external jugular veins. They are the veins used to drain some part of the facial area, the superficial neck regions and the scalp. They are situated near the sternocleidomastoid muscles and they connect with the platysma muscle. Following that same path, they run into the right and left subclavian veins which are found immediately below the clavicle. The  ...


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