Exam 2- Suprahyoid Muscles Flashcards
Stylohyoid
O- Temporal Bone (Styloid Process)
I- Hyoid Bone
A- Elevates Hyoid Bone
N- Facial Nere
Digastric (2 Bellies)
O- Posterior Belly from the Temporal Bone (Mastoid Notch, medial to Mastoid Process); Anterior Belly from Mandible (inner side)
I- Hyoid Bone via Intermediate Tendon
A- Elevates hyoid bone, depresses mandible
N- Posterior Belly- Facial Nerve; Anterior Belly- Trigeminal Nerve
Mylohyoid
O- Mandible (mylohyoid line)
I- Hyoid Bone
A- Elevates Hyoid Bone, raises floor of mouth during swallowing
N- Trigeminal Nerve (V3)
Geniohyoid
O- Mandible (inner side)
I- Hyoid Bone
A- Elevates hyoid bone; draws hyoid forward
N- C1 via branch hitch-hiking Hypoglossal Nerve
Suprahyoid Bone
Digastric, Stylohyoid, Mylohyoid, Geniohyoid