(also sternocleidomastoid muscle)
Each of a pair of long muscles which connect the sternum, clavicle, and mastoid process of the temporal bone and serve to turn and nod the neck.
- Often, the muscles used to maintain body posture are affected, namely the muscles in the neck, shoulders, and pelvic girdle, including the upper trapezius, scalene, sternocleidomastoid, levator scapulae, and quadratus lumborum.
- There are thirty-two segments devoted to a particular muscle, such as temporalis, masseter, sternocleidomastoid, biceps brachii and so on.
- The submandibular glands are located within a triangle bounded by the sternocleidomastoid muscle, the posterior belly of the digastric muscle, and the body of the mandible.
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Line breaks: sterno|cleido|mas¦toid
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