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Across 1. The movement of a body part away from the midline of the body 5. When a rapid or prolonged muscle contraction continues to the extreme, this occurs 6. A type of muscle contraction where neither the muscle nor the body part affected moves 8. The condition where a muscle is not contracted or is contracted only slightly and it begins to decrease in size 14. These structures (two words) can be of the smooth, cardiac, or skeletal type 16. The point at which a muscle attaches to that part of the bone which is more distal or the more movable end of the body part 17. The chemical responsible for providing energy to the muscle for contraction to occur 20. The inner layer of connective tissue covering skeletal muscle 23. “Slow twitch” and “fast twitch” are types of ___________ ____________ (two words) that contract to produce body part movement 25. A muscle that exists in pairs called flexors and extensors 26. The connective tissue which connects a muscle to a bone

Down 1. The movement of a body part closer to the midline of the body 2. The point at which a muscle fiber and a nerve join 3. The muscle cell type found in the heart 4. Muscle makes up about 40-45% of the body’s _____________. 7. The outer layer of connective tissue covering skeletal muscle 9. The middle layer of connective tissue covering skeletal muscle 10. A type of muscle contraction resulting in a change in distance between the two ends of the muscle 11. The muscle cell type found in the arms and legs 12. A sudden muscle contraction usually occurring when the nerve supplying the muscle has been irritated 13. These structures found by the thousands within each muscle cell contain the actin and myosin filaments 15. The smallest functional unit of the skeletal muscle 18. One of the two muscle filaments making up a sarcomere 19. The part of the muscle where 80% of all muscle strains occur 21. The muscle cell type found in the stomach 22. The point at which a muscle attaches to that part of the bone which is more proximal or the less movable end of the body part 24. Another one of the two muscle filaments making up a sarcomere