1. Explain why a lack of ATP would cause muscles to stay relaxed or contracted. 2. How would your range of motion be affected if you lacked a

1. Explain why a lack of ATP would cause muscles to stay relaxed or contracted.

2. How would your range of motion be affected if you lacked a sternocleidomastoid?

3. Why do you think cold compressions reduce blood flow to the ankle and heat would increase blood flow to the ankle in the case of an injury?