Muscles Of The Neck

Question 1

Origin: fascia of the neck
Insertion: inferior border of the mandible
Action: Depresses the mandible and lower lip and tenses the skin of the anterior neck shriek muscle

Answer 1

Platysma

Question 2

Origin: manubrium and clavicle
Insertion: mastoid process of the temporal bone
Action: flexes neck, extends head, turns head to side

Answer 2

Sternocleidomastoid Muscle

Question 3

Origin: TP’s of C3-C6
Insertion: medial aspect of rib 1

Answer 3

Anterior Scalene Muscle

Question 4

Origin: TP C2-C7
Insertion: first rib
Action: both Anterior and middle elevate the first rib

Answer 4

Middle Scalene Muslce

Question 5

Origin: TPS C4-C6
Insertion: On rib 2
Action: Elevates rib 2

Answer 5

Posterior Scalene Muscle