Muscles that move Hyoid Bone and Larynx (O/I/A) Flashcards
1
Q
Digastric
A
O: Lower margin of mandible, mastoid process of temporal bone
I: CT loop to hyoid bone
A: Open mouth and depress mandible
2
Q
Stylohyoid
A
O: Styloid process temporal bone
I: Hyoid bone
A: Elevate/retract hyoid
3
Q
Mylohyoid
A
O: Medial surface mandible
I: Hyoid bone
A: Elevate hyoid bone and floor of mouth
4
Q
Sternohyoid
A
O: Manubrium and medial end of clavicle
I: Lower margin of hyoid bone
A: Depress larynx and hyoid bone if mandible is fixed
5
Q
Sternothyroid
A
O: Posterior surface of manubrium
I: Thyroid cartilage
A: Depress larynx and hyoid bone
6
Q
Omohyoid
A
O: Superior surface of scapula
I: Hyoid bone
A: Depress/retract hyoid bone
7
Q
Thyrohyoid
A
O: Thyroid Cartilage
I: Hyoid Bone
A: Depresses hyoid bone or elevates larynx if hyoid is fixed
