Muscles

Question 1

Origin of the lateral pterygoid muscle

Answer 1

Greater wing of the sphenoid bone.
Lateral surface of the lateral pterygoid plate of sphenoid bone.

Question 2

Insertion of the lateral pterygoid muscle

Answer 2

Mandibular condyle.
Capsule of the TMJ

Question 3

Nerve supply of the lateral pterygoid muscle

Answer 3

lateral pterygoid nerve- branches out from mandibular nerve.

Question 4

2 muscles that assist in smiling and their nerves

Answer 4

Zygomatic major- facial nerve CN V11
Zygomatic minor- facial nerve CN V11

Question 5

Origin of sternocleidomastoid

Answer 5

Sternum, clavicle

Question 6

Insertion of the sternocleidomastoid

Answer 6

mastoid process of the temporal bone

Question 7

Action of sternocleidomastoid

Answer 7

tilts head to each side

Question 8

Temporal muscle origin

Answer 8

Temporal fossa and temporal fascia

Question 9

Temporal muscle insertion

Answer 9

the coronoid process of the mandible

Question 10

Origin of Trapezius

Answer 10

External surface of the occipital bone.
Posterior midline of the cervical and thoracic regions.

Question 11

Insertion of the Trapezius

Answer 11

lateral 1/3 of the clavicle and parts of the scapula

Question 12

Origin of medial pterygoid muscle

Answer 12

medial surface of the lateral pterygoid plate of the sphenoid bone.
Maxillary tuberosity.

Question 13

Medial pterygoid muscle insertion

Answer 13

Medial surface of the angle of the mandible