HW Chapter 7

4. the measure of the amount of energy expended per day over and above that used for basal metabolism
6. the body’s relative amounts of water, bone, fat, and tissue
7. a natural substance in skeletal muscle tissue required for muscle contraction, which can also be purchased as a dietary supplement
9. the willingness to focus attention and energy on movement
12. anything you do when you are not sitting or lying down
16. beneficial physiological changes as a result of aerobic exercise

1. the ability to move a joint (where two bones meet) through its anatomical range of motion
2. also referred to as "burning calories"
3. step counter
5. how often the movement occurs in physical activity
8. a system of stretching and strengthening exercises
10. commonly used as performance enhancers and include amphetamines, ephedra (ma huang), synephrine (hoodia, bitter orange), and caffeine
11. an acronym for rest, ice, compression, elevation; the first aid measures for sports injuries
13. per-minute multiples of the amount of energy used while lying still
14. biological energy production without using oxygen
15. a naturally occurring pituitary hormone that is believed to enhance athletic performance