Head and Neck Origins/Insertions

Question 1

Posterior Scalene

Answer 1

Origin: The TVPs of the cervical spine; posterior tubercles of C5-C7

Insertion: The external surface of the second rib

Question 2

Middle Scalene

Answer 2

Origin: The TVPs of the cervical spine; posterior tubercles of C2-C7

Insertion: The superior surface of the first rib

Question 3

Anterior Scalene

Answer 3

Origin: The TVPs of the cervical spine; anterior tubercles on C3-C6

Insertion: The scalene tubercle on the inner border of the first rib

Question 4

Sternocleidomastoid

Answer 4

Origin: Sternal head: the anterior superior surface of the manubrium of the sternum
Clavicular head: The medial ⅓ of the medial clavicle

Insertion: The mastoid process of the temporal bone and the lateral ½ of the superior nuchal line of the occipital bone