1.
Digastic ORIGIN: ANT: Inf border of mandible
POST: Mastoid groove of temporal
2.
Digastric ACTION: Opens jaw, elevates hyoid bone
3.
Digastric INNERVATION: ANT: Trigeminal (V3)
POST: Facial (VII)
4.
Digastric INSERTION: Hyoid bone
5.
Hyoglossus ACTION: Depresses side of tongue
6.
Hyoglossus INNERVATION: Hypoglossal nerve (CN XII)
7.
Hyoglossus INSERTION: Side of tongue
8.
Hyoglossus ORIGIN: Body of Hyoid
9.
INFRAHYOID MUSCLES: Omohyoid
Sternohyoid
Sternothyroid
Thyroyoid
10.
Infrahyoid muscles INNERVATION: ALL by Ansa Cervicalis, EXCEPT Thyrotyroid, Inn by C1 carried with CN XII
11.
Mylohyoid ACTION: Elevates hyoid bone & floor of mouth
12.
Mylohyoid INNERVATION: Trigeminal (V3)
13.
Mylohyoid INSERTION: Body of hyoid and median raphe
14.
Mylohyoid ORIGIN: Inferior border of mandible
15.
Omohyoid ACTION: Depresses hyoid and larynx
16.
Omohyoid INNERVATION: Ansa cervicalis
17.
Omohyoid INSERTION: SUPERIOR BELLY: Hyoid body (lower surface)
INFERIOR BELLY: Intermediate tendon
18.
Omohyoid ORIGIN: SUPERIOR BELLY: Intermediate tendon
INFERIOR BELLY: Superior scapula
19.
sternocleidomastoid ACTION: Turns head to side, flexes head and neck
20.
sternocleidomastoid INNERVATION: Accesory nerve (CN XI)
21.
sternocleidomastoid INSERTION: Mastoid process of temporal bone
22.
sternocleidomastoid ORIGIN: Sternum, clavicle
23.
Sternohyoid ACTION: Depresses hyoid and larynx
24.
Sternohyoid INNERVATION: Ansa cervicalis
25.
Sternohyoid INSERTION: Body of hyoid
26.
Sternohyoid ORIGIN: Manubrium
27.
Sternothyroid ACTION: Depresses larynx
28.
Sternothyroid INNERVATION: Ansa cervicalis
29.
Sternothyroid INSERTION: Thyroid cartilage (oblique line)
30.
Sternothyroid ORIGIN: Manubrium
31.
Stylohyoid ACTION: Elevates and retracts tongue
32.
Stylohyoid INNERVATION: Facial nerve (CN VII)
33.
Stylohyoid INSERTION: Body of Hyoid bone
34.
Stylohyoid ORIGIN: Styloid process of temporal bone
35.
SUPRAHYOID MUSCLES: Digastric
Mylohyoid
Geniohyoid
Stylohyoid