The Muscular System
Across
- 2. muscle that shortens
- 4. held in a static position
- 5. For a contraction to occur the muscles need _________ & fuel
- 7. type of muscle fibre
- 9. In the walls of the digestive system
- 12. muscles that stop unwanted movement by stabillising joints
- 13. A skeletal muscle
- 14. fast contracting and able to produce great force
Down
- 1. muscles must cross the _______ they move
- 2. if it did not relax movement could not take place
- 3. your calf muscle
- 4. when muscle contracts and shortens at same speed
- 6. Muscles do not ______
- 8. when muscle shortens against a resistance
- 10. when a muscle returns to normal length
- 11. they work along side the agonists to control and direct movement