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Neck musculature
origin, insertion, action and innervation
7
Anatomy
Undergraduate 4
04/14/2011

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Cards

Term
SCM
Definition
Manubrium of sternum, medial 1/3 of clavicle
Mastoid process
Bilaterally, flexion of neck; unilaterally, rotation of face to opposite side
X
Term
Digastric
Definition
Anterior belly: mandible, posterior belly: mastoid notch of temporal bone Body of hyoid (via tendon) Depresses mandible against resistance; elevates and steadies hyoid during swallowing/speaking
X
Term
Stylohyoid
Definition
Styloid process of temporal bone Body of Hyoid bone
Retracts hyoid
X
Term
Sternothyroid
Definition
Manubrium of sternum
Thyroid cartilage
Depresses hyoid/larynx
X
Term
Thryohyoid
Definition
Thyroid cartilage
Body of Hyoid bone
Depresses hyoid/elevates larynx
X
Term
Sternohyoid
Definition
Manubrium of sternum and medial clavicle
Body of Hyoid bone
Depresses hyoid (after elevation during swallowing)
X
Term
Omohyoid
Definition
Superior border of scapula (near scapular notch)
Hyoid bone
Depresses and retracts hyoid bone X
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