hyoid & larynx during swallow Infrahyoid Muscle - Pg 334 in text Table 10.3 Group Function Depress hyoid&larynx with swallow/speak Platysma (on cadaver) Tenses skin of anterior neck and depresses mandible Sternocleidomastoid Muscle ( SCM) Unilateral action rotate&flex;Bilateral action neck flexion Spinal accessory nerve, CN XI Scalenes (ant, middle & post) - respiratory system Elevate ribs 1&2 these are "Accessory Muscles of respiration" Splenius (Capitus/Cervicis) - Pg337 Fig10…
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