Muscles of Mastication

Question 1

Temporalis

Answer 1

Floor of Temporal Fossa

—-Elevates mandible; closing jaw

Question 2

Masseter

Answer 2

Inferior border and medial surface of Zygomatic Arch

—-Elevates & Protrudes mandible

Question 3

Lateral Pterygoid

Answer 3

Lateral surface of Lateral Pterygoid Plate

—-Protrudes Mandible

Question 4

Medial Pterygoid

Answer 4

Medial surface of Lateral Pterygoid Plate

—-Helps protrude mandible

Question 5

Anterior Scalenes

Answer 5

First Rib

—Elevates 1st rib during forces inspiration

Question 6

Posterior Scalenes

Answer 6

Second Rib

—Elevates 2nd rib during forces inspiration

Question 7

Middle Scalenes

Answer 7

First Rib

—Elevates 1st rib during forces inspiration

Question 8

Sternocleidomastoid

Answer 8

Anterior surface of manubrium of sternum

—-Laterally Flexes the neck

Question 9

Platysma

Answer 9

Inferior border of Mandible

—-Tenses skin of the neck

Question 10

Longus Colli

Answer 10

Bodies of T1-T3

—–Flexes Neck Forward

Question 11

Longus Capitis

Answer 11

Anterior tubercles of Transverse Processes of C3-C6

—–Flexes Neck Forward

Question 12

Rectus Capitus Anterior

Answer 12

Inferior surface of occipital bone

—-Stablizes AA & AO joint

Question 13

Rectus Capitus Lateralis

Answer 13

Inferior surface of occipital bone

—-Stablizes AA & AO joint