Ch. 4 Physical Activity for Life

2. an activity that prepares the muscles to return to a resting state.
4. the process by which your body gets energy from food.
6. intense short bursts of activity in which the muscles work so hard that they produce energy without using oxygen.
8. the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands.
9. the number of times your heart beats in one minute when you are not active.
11. any form of movement that causes your body to use energy.
13. syntheic substances that are similar to the male hormone testostorone.
14. a condition characterized by a decrease in bone density, producing porous and fragile bones.
17. the ratio of body fat to lean body tissue, including muscle bone, water, and connective tissue such as ligaments, cartilage, and tendons.
20. a search or check for diseases or disorders that an individual would otherwise not have knowledge of or seek help for.
21. the amount of force a muscle can exert.
22. a condition in which the body loses the ability to rid itself of excessive heat through perspiration.
23. a way of life that involves little physical activity.
27. overworking the body.
29. a condition that results when body tissues become frozen.
30. a condition resulting from damaging a muscle or tendon.
31. an activity that prepares the mucles for work.

1. a spasm or sudden tightenng of a muscle.
3. the ability to move a body part through a full range of motion.
5. the ability of the heart, lungs, and blood vessels to utilize and send fuel and oxygen to the body's tissues during long periods of moderate-to-vigorous activity.
7. any activity that uses large muscle groups, is rhythmic in nature, and can be maintained continuously for at least 10 minutes three times a day or 20 to 30 minutes at one time.
10. the ability of the muscles to perform physical tasks over a period of time without becoming fatigued.
12. particular exercises and activities improve particular areas of health-related fitness.
15. a condition in which body temperature becomes dangerously low.
16. the part of an exercise program when the activity is performed at its higest peak.
18. working the body harder than it is normally worked.
19. the gradual increase in overload necessary to achieve higher levels of fitness.
22. taking in fluids so that the body functions properly.
23. an injury to the ligament surrounding a joint.
24. purposeful physical activity that is planned,structured, and repetive and that improves or maintains personal fitness.
25. a program of formalized physical preparation for nvolvement in a sport or another physical activity.
26. muscle spasms that result from a loss of large amounts of salt and water through perspiration.
28. frequency, intensity, time/duration, and type of activity.