INTRINSIC

Question 1

Alone: lateral bending and rotation of head

Together: extends head and neck

Answer 1

Splenius m.

Question 2

Bilaterally – chief extensor of vertebral column and
head

Unilaterally – laterally bend vertebral column

Answer 2

Erector Spinae m.

Question 3

Extend and laterally rotate head and vertebral

column

Answer 3

Semispinalis m.

Question 4

Stabilize vertebrae

Extend spine

Laterally bend vertebral column

Answer 4

Multifidus m.

Question 5

Stabilizes spine

Unilaterally rotates vertebral column

Answer 5

Rotatores m.