Infrahyoid Muslces Flashcards
1
Q
Sternohyoid
A
O: Manubrium of Sternum and medial end of Clavicle
I: Body of Hyoid
N: Ansa Cervicalis (C1-C3)
A: Depresses Hyoid after elevation during swallowing
2
Q
Omohyoid
A
O: Superior Border of scapula near supra scapular notch
I: Inferior border of hyoid
N: Ansa Cervicalis (C1-C3)
A: Depresses, retracts, and steadies Hyoid
3
Q
Sternothyroid
A
O: Posterior surface of manubrium of sternum
I: Oblique line of thyroid cartilage
N: Ansa Cervicalis (C2, C3)
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: Hypoglossal Nerve (CN XII)
A: Depresses Hyoid and Elevates Larynx
