ANAT 2626 Muscles of the Neck

ANAT 2626 Muscles of the Neck - WhitneyCarlson1...

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Whitney Carlson  1 Muscles of the Neck Name Origin Insertion Innervations Action Mylohyoid Mylohyoid line of mandible Mylohyoid raphe and body of  hyoid N. to mylohyoid branch of  inferior alveolar N. from  mandibular N of CN V3 Elevates hyoid, floor of mouth,  and tongue during swallowing  and speaking Geniohyoid Inferior mental spine of  mandible Body of hyoid C1 via hypoglossal N Pulls hyoid anterosuperiorly,  shortens floor of mouth,  widens the pharynx Stylohyoid Styloid process of temporal  bone Body of the hyoid Stylohyoid branch of facial N Elevates and retracts hyoid,  thus elongating floor of mouth Digastric Anterior belly: gigastric fossa  of mandible Posterior belly: mastoid notch  of temporal bone Intermediate tendon to body  and greater horn of hyoid Anterior belly: N. to mylohyoid  branch of inferior alveolar N. Posterior belly: digastric  branch of Facial N Working with infrahyoid  muscles, depresses mandible  against resistance, elevates and  steadies hyoid during  swallowing and speaking Sternohyoid Manubrium of sternum and  medial end of clavicle Body of hyoid C1-C3 by a branch of ansa  cervicalis Depresses hyoid after elevation  during swallowing Omohyoid Superior border of scapula near  suprascapular notch Inferior border of hyoid C1-C3 by a branch of ansa  cervicalis Depresses, retracts, and  steadies hyoid Sternothyroid Posterior surface of  manubrium od sternum Oblique line the thyroid  cartilage C2-C3 by a branch of ansa  cervicalis Depresses hyoid and larynx Thyrohyoid Oblique line of thyroid  cartilage Inferior border of body and  greater horn of hyoid C1 via hypoglossal N
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This note was uploaded on 11/22/2011 for the course ANAT 2626 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

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ANAT 2626 Muscles of the Neck - WhitneyCarlson1...

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