Muscles of the Body

1. A very powerful superficial muscle that is in the back part of the lower leg.
2. Situated on the lateral and anterior parts of the abdomen.
3. Originates in the upper two-thirds of the lateral surface of the tibia.
5. Thick, fan-shaped muscle, situated at the chest.
6. Extends longitudinally from the occipital bone to the lower thoracic vertebrae.
7. Involved in standing and walking.
10. Each arises from the ridge on the inner surface of a rib.
13. Lies in the groove to the side of the vertebral column.
15. Broadest muscle of the back.
16. Forming the rounded contour of the shoulder.
17. Responsible for extension of the elbow joint.
18. Its fibers run perpendicular to the external oblique muscle.

1. It makes up a large portion of the shape and appearance of the buttocks.
2. They extend from the tubercles of the ribs behind, to the cartilages of the ribs in front.
4. A paired muscle running vertically on each side of the anterior wall of the abdomen.
6. A muscle layer of the anterior and lateral (front and side) abdominal wall.
8. A two-headed muscle that lies on the upper arm between the shoulder and the elbow.
9. It is the extensor muscle of the knee.
11. Are responsible for the retraction of the scapula.
12. One of the largest and most superficial cervical muscles.
14. A group of tendons contracted by three posterior thigh muscles.