Chapter 4 Lessons 1-3

2. a condition characterized by a decrease in bone density, producing porous and fragile bones
5. the ability to move a body part through a full range of motion
6. purposeful physical activity that is planned, structured, and repetitive and that improves or maintains personal fitness
7. The part of an exercise program when the activity is performed at its highest peak
9. intense short bursts of activity in which the muscles work so hard that they produce energy without using oxygen
11. 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 for 20 to 30 minutes at one time.
12. working the body harder than it is normally worked
16. the ratio of body fat to lean body tissue, including muscle, bone, water, and connective tissue such as ligaments, cartilage, and tendons
17. any form of movement that causes your body to use energy
18. a way of life that involves little physical activity
19. The number of times your heart beats in one minute when you are not active
21. particular exercises and activities improve particular areas of health-related fitness

1. the gradual increase in overload necessary to achieve higher levels of fitness
3. the ability of the muscles to perform physical tasks over a period of time without becoming fatigued
4. 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
8. the process by which your body gets energy from food
10. an activity that prepares the muscles for work
13. the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands
14. an activity that prepares the muscles to return to a resting state
15. the amount of force a muscle can exert
20. Frequency, Intensity, Time/duration, and Type of activity