Muscles that move the Head and Neck

Question 1

Sternocleidomastoid (Anterolateral Muscle)

Answer 1

Unilateral A: lateral flexion, rotation of head to opposite side
Bilateral A: Flexes Neck
O: Sternum and clavicle
I: Mastoid Process of temporal bone

Question 2

Scalene Muscles (Anterior, Middle, Posterior)
(Anterolateral Muscle)

Answer 2

A: Flex neck (when rib 1 is fixed); elevate ribs 1 and 2 during forced inspiration when neck is fixed
O: Cervical Vertebrae
I: 1st and 2nd Rib

Question 3

Splenius Capitis
(Posterior Muscles)

Answer 3

Unilateral Action: Turns head to same side
Bilateral A: Extends Head/ Neck
O: Ligamentum nuchae
I: Mastoid Process of Temporal Bone

Question 4

Splenius Cervicis
(Posterior Muscle)

Answer 4

Unilateral Action: Turns head to same side
Bilateral A: Extends Head/ Neck
O: Ligamentum nuchae
I: Occipital Bone

Question 5

Longissimus Capitis (Posterior Muscle)

Answer 5

Unilateral Action: Turns head to same side
Bilateral A: Extends Head/ Neck
O: Cervical and thoracic vertebrae
I: Mastoid Process of temporal bone

Question 6

Obliquus capitis superior
(posterior)

Answer 6

A: Turns head to same side
O: Atlas
I: Occipital Bone

Question 7

Obliquus capitis inferior (Posterior)

Answer 7

A:Turns head to same side
O: Axis
I: Atlas

Question 8

Rectus Capitis Posterior Major
(Posterior)

Answer 8

A: Extends head/neck
O: Axis
I: Occipital Bone

Question 9

Rectus Capitis posterior minor
(posterior)

Answer 9

A: Extends Head/Neck
O: Atlas
I: Occipital Bone