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2. The thinner, smaller bone in the lower leg, located next to the tibia
6. A large back muscle important for arm and shoulder movement
9. The 12 middle vertebrae of the spine, attached to the ribcage
10. Abdominal muscles on the sides of the torso, used for twisting and bending
12. The largest buttock muscle, used for movement of the hips and thighs
14. The larger,stronger bone in the lower leg, also called the shinbone.
17. A set of bones in the hip area that supports the spine and lower limbs
18. The collarbone, connecting the shoulder to the chest
19. The large calf muscle that helps in walking, running, and jumping
20. The front upper arm muscle used for flexing the elbow and lifting

1. The outer bone of the forearm, on the same side as the thumb
3. The inner and longer bone of the forearm, opposite the thumb
4. The upper arm bone, connecting the shoulder to the elbow.
5. A large triangular muscle in the upper back and neck, aiding in posture and shoulder movement
7. The back upper arm muscle used responsible for straightening the elbow.
8. The 'six pack' muscle of the abdomen, used in bending the torso
11. A group of four muscles on the Front of the thigh, used for leg extension
13. A structure of ribs that protects the chest organs like the heart and lungs
15. The flat bone in the center of the chest, also known as the breastbone
16. A triangular shoulder muscle responsible for arm lifting and rotation