Across
- 3. stomach muscles
- 4. shoulder muscle
- 5. back of upper arm
- 7. muscle lengthens during contraction
- 9. muscle tension without changing length
- 10. heart muscle
- 13. voluntary muscle
- 14. involuntary muscle found in organs
- 15. prime mover in a movement
Down
- 1. opposes the agonist
- 2. muscle shortens during contraction
- 6. chest muscle
- 8. front of thigh
- 11. back of thigh
- 12. upper arm muscle