Muscular System

6. end or area of a muscle that moves when the muscle contracts
7. tightening or shortening of a muscle
9. brachii/ the large muscle at the back of the upper arm
14. compound that occurs throughout the nervous system in which it functions as a neurotransmitter
15. muscle of the forearm that flexes the forearm at the elbow
16. a chief muscle of the calf of the leg, which flexs the knee and foot
17. muscles you don't have control over
19. decresing the angle between two parts
20. flat, thin muscle in the wall of the cheek
22. state of tension that is maintained continuously
23. any of the five tendons at the back of a persons knee
24. the action of rotating an axis or center
25. increasing the angle between two parts

1. work together to coordinate the contractions of a single muscle
2. large triangular muscle covering the joint of the shoulder
3. muscles you have control over
4. large triangular muscles extending over the back of the neck and shoulders and movoing the head a shoulder blade
5. the ability to become smaller, shorter, narrower
8. fibrous membrane covering, supporting, and separating muscles
10. bending backward or bending the foot to the knee
11. flexiable but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone
12. natural side-to-side movement of the foot as you walk or run
13. decline in ability of a muscle to generate force
18. the ability to resume its normal shape after being stretched or compressed
21. rotation of the forearm and hand so that the palm faces forward or upward