Muscles of the Body

3. Forming the rounded contour of the shoulder.
4. Lies in the groove to the side of the vertebral column.
6. A very powerful superficial muscle that is in the back part of the lower leg.
8. A group of tendons contracted by three posterior thigh muscles.
9. One of the largest and most superficial cervical muscles.
10. Each arises from the ridge on the inner surface of a rib.
15. Responsible for extension of the elbow joint.
17. It is the extensor muscle of the knee.
19. Situated on the lateral and anterior parts of the abdomen.
21. Involved in standing and walking.

1. It makes up a large portion of the shape and appearance of the buttocks.
2. A two-headed muscle that lies on the upper arm between the shoulder and the elbow.
5. Thick, fan-shaped muscle, situated at the chest.
7. They extend from the tubercles of the ribs behind, to the cartilages of the ribs in front.
11. A muscle layer of the anterior and lateral (front and side) abdominal wall.
12. Are responsible for the retraction of the scapula.
13. Originates in the upper two-thirds of the lateral surface of the tibia.
14. Broadest muscle of the back.
16. A paired muscle running vertically on each side of the anterior wall of the abdomen.
18. Its fibers run perpendicular to the external oblique muscle.
20. Extends longitudinally from the occipital bone to the lower thoracic vertebrae.