Neck OIIA's Flashcards
Origin: Stylohyoid
Base of styloid process of temporal bone
Insertion: Stylohyoid
Greater horns of hyoid
Innervation: Stylohyoid
Facial nerve (CN7)
Action: Stylohyoid
Pulls the hyoid bone posterosuperiorly during swallowing
Origin: Digastric
-Anterior belly: digastric fossa
-Posterior belly: mastoid process of temporal bone
Insertion: Digastric
Tendon between two bellies to the body of the hyoid
Innervation: Digastric
Mylohyoid nerve
Action: Digastric
Elevates the hyoid bone & depresses the mandible
Origin: Mylohyoid
Mylohyoid line on mandible
Insertion: Mylohyoid
Body of hyoid
Innervation: Mylohyoid
Mylohyoid nerve
Action: Mylohyoid
Support and elevation of floor of mouth; elevation of hyoid
Origin: Geniohyoid
Inferior mental spine
Insertion: Geniohyoid
Body of hyoid
Innervation: Geniohyoid
Anterior ramus from C1
Action: Geniohyoid
Fixation of mandible; pulls mandible inward
Origin: Sternohyoid
Posterior aspect of sternoclavicular joint
Insertion: Sternohyoid
Body of hyoid
Innervation: Sternohyoid
Ansa cervicalis
Action: Sternohyoid
Depresses hyoid bone after swallowing
Origin: Omohyoid
Superior border of scapula
Insertion: Omohyoid
Body of hyoid