Muscle Anatomy - Back Muscles

Question 1

Where does the multifundus muscle originate?

Answer 1

Articular vertebrae / adjoining areas on vertebrae that weave one vertebrae to the next starting at mid sacrum and extending to C2

Question 2

Where does the multifundus insert?

Answer 2

Each forward vertebrae on either spinous or Articular process

Question 3

What regions does the multifundus cover?

Answer 3

Cervical, thoracic, sacral, lumbar

Question 4

What is the action of the multifundus?

Answer 4

Stabilize the spine

Question 5

Do all horses have a Illiocostal muscle?

Answer 5

No

Question 6

Where does the illiocostal muscle originate?

Answer 6

Deep within thoraco lumbar fascia

Question 7

Where does the illiocostal insert?

Answer 7

Caudal borders of ribs
Transverse processes of C7

Question 8

What is the action of the Illiocostal muscle?

Answer 8

Contraction bilaterally assists in expiration
One side contraction assists in lateral movement of spine to side of contraction