Muscle Crossword Part III
Across
3. contractile response “piggy backs” on top of the first
5. the number of motor fibers of a motor unit that are involved in the contraction
6. a motor neuron and all of the muscle fibers it controls
10. degree to which muscles are always in a state of contraction
12. a complete twitch or not at all
14. muscle changes length and moves a load
18. the force of each contraction will increase with repeated stimuli
Down
1. fatigue resistant
2. Occurs when the Ca++ renters the sarcoplasmic reticulum
4. quivering response
7. muscle does not shorten
8. fibers fatigue fast
9. Staircase effect
11. The lowest stimulus that can create a muscle response
13. is the response of a muscle to a single brief threshold stimulus
15. Muscle fibers shorten
16. first few milliseconds when muscle tension is beginning
17. sustained contraction