Muscular System

6. Muscle fibers are grouping in bundles
7. Voluntary-Striated
9. common biomechanical problem in the wrist when the median nerve becomes compressed between carpal bones
13. Involuntary- found in the digestive tract,blood vessels,bladder
16. An injury in which muscle fibers tear as a result of overstretching
21. Surrounds the muscles as a whole and binds all muscle fibers
22. A neuron and all the fibers it stimulates
23. Injuries in muscles or associated with tissues because of biomechanical stresses
24. Sheath of tougher connective tissue-encases the fasicles

1. Membrane surrounding each muscle fiber
2. Thick myofilaments are made of protein
3. of a tendon that occurs when it is over- extended or worked too hard without rest
4. Thin myofilaments consist of protein
5. Surrounds each myofibril
8. Involuntary- found only in the heart
10. Extend across the sarcoplasm
11. Myofibrils consist of even finer fiber
12. msucle cell
14. Delicate connective tissue covers each muscle fiber
15. Long protein fibers
17. Single/ brief contraction
18. Cytoplasm of cell membrane
19. Surrounds the muscle outside the epimysium
20. the minimum voltage needed to cause muscle fiber contraction