Lateral Vertebral Muscles

Question 0

Insertion of rectus capitis lateralis

Answer 0

Transverse process of atlas

Question 1

Origin of the rectus capitis lateralis

Answer 1

Jugular process of occipital bone

Question 2

Innervation of the rectus capitis lateralis

Answer 2

Branches from loop between C1 and C2 spinal nerves

Question 3

Actions of the rectus capitis lateralis

Answer 3

Flexes head and helps stabilize it

Question 4

Origin of the splenius capitis

Answer 4

Inferior half of nuchal ligament and spinous processes of superior six thoracic vertebrae

Question 5

Insertion of splenius capitis

Answer 5

Lateral aspect of mastoid process and lateral third of superior nuchal line

Question 6

Innervation of splenius capitis

Answer 6

Posterior rami of middle cervical spinal nerves

Question 7

Actions of the splenius capitis

Answer 7

Laterally flexes and rotates head and neck to same side

Acting bilaterally, extends head and neck

Question 8

Origin of the levator scapulae

Answer 8

Posterior tubercles of transverse processes of C1-C4

Question 9

Insertion of the levator scapulae

Answer 9

Superior part of medial border of scapula

Question 10

Innervation of the levator scapulae

Answer 10

Dorsal scapular nerve C5 and cervical spinal nerves C3 and C4

Question 11

Actions of the levator scapulae

Answer 11

Elevates scapula and tilts its glenoid cavity inferiorly by rotating scapula

Question 12

Origin of the middle scalene

Answer 12

Posterior tubercles of transverse processes of C4-C7 vertebrae

Question 13

Insertion of middle scalene

Answer 13

Superior surface of 1st rib

Posterior groove for subclavian artery