Infrahyoid Muscles Flashcards
Insertion of sternohyoid
Body of hyoid
Origin of the sternohyoid
Manubrium of sternum and medial end of clavicle
Innervation of sternohyoid
C1-C3 by a branch of ansa cervicalis
Action of sternohyoid
Depresses hyoid after elevation during swallowing
Origin of omohyoid
Superior border of scapula near Suprascapular notch
Insertion of omohyoid
Inferior border of hyoid
Innervation of the omohyoid
C1-C3 by a branch of ansa cervicalis
Actions of omohyoid
Depresses, retracts, and steadies hyoid
Origin of the sternothyroid
Posterior surface of manubrium of sternum
Insertion of sternohyoid
Oblique line of thyroid cartilage
Innervation of sternothyroid
C2 and C3 by a branch of ansa cervicalis
Actions of the sternothyroid
Depresses hyoid and larynx
Origin of the thyrohyoid
Oblique line of thyroid cartilage
Insertion of thyrohyoid
Inferior border of body and greater horn of hyoid
Innervation of thyrohyoid
C1 via hypoglossal nerve