Muscular System Lab

3. one of two muscles that raise the head.
4. one of the main inspiratory muscles
8. on lateral side of animal's chest; part of trunk support.
9. part of extensor muscles of hip joint.
10. inner thigh muscle; part of hip adduction & flexing of the knee.
11. one of two muscles that raise the head.
13. deepest of abdominal muscles.
14. broad, triangular muscle that extends from the spinal column down to its insertion on the humerus.
15. extends from sternum to the base of the skull and acts to flex (lower) the head and neck.
16. one of three muscles in hamstring group.
17. outer layer of abdominal muscle.
18. one of three muscles in hamstring group.
19. two straplike muscles on either side of the linea alba on the ventral abdomen.

1. main action to close jaw.
2. equivalent of calf muscle.
3. has three proximal heads attachments and extends from the distal scapula and proximal humerus down to the olecranon process of the ulna (point of elbow).
5. one of three muscles in hamstring group,
6. cranial thigh muscle.
7. located on each side of the sternum.
12. muscle on underside of neck (ex. horses).