infrahyoids Flashcards
1
Q
sternohyoid
A
O: Manubrium of sternum and medial end of clavicle
I: Body of hyoid
N: C1-C3 by branch of ansa cervicalis
A: Depresses hyoif after elevation during swallowing
2
Q
Omohyoid
A
O: Superior border of scapula near suprascapular notch
I: Inferior border of hyoid
N: C1-C3 by branch of ansa cervicalis
A: Depresses, retracts and steadies the hyoid
3
Q
sternothyroid
A
O: Posterior surface of manubrium of sternum
I: Oblique line of thyroid cartilage
N: C2 and C3 by branch of ansa cervicalis
A: Depresses hyoid and larynx
4
Q
thyrohyoid
A
O: Oblique line of thyroid cartilage
I: Inferior border of body and greater horn of hyoid
N: C1 via hypoglossal nerve
A: Depresses hyoid and elevates the larynx