Ch.12 Vocab

1. dangerously low body temperature.
8. choosing the right types of activities to improve a given element of fitness
10. All rhythmic activities that use large muscle groups for an extended period of time.
11. exercising at a level that's beyond your regular daily activities
12. involving little physical activity
14. overworking the body
15. gentle cardiovascular activity that prepares the muscles for work
17. injuries to the ligaments around a joint
19. The ability to move your body parts through their full range of motion.
22. the part of an exercise session when you are exercising at your highest peak
23. physical _________ is any form of movement that causes your body to use energy.
24. muscular _________ is the ability of your muscles to perform physical tasks over a period of time without tiring.

2. A dangerous condition in which the body loses its ability to cool itself through perspiration.
3. Purposeful physical activity that is planned, structured, and repetitive, and that improves or maintains physical fitness.
4. Intense, short bursts of activity in which the muscles work so hard that they produce energy without using oxygen.
5. overstretching and tearing a muscle
6. _________ strength is the amount your muscle can exert
7. ___________ endurance is the ability of your heart, lungs, and blood vessels to send fuel and oxygen to your tissues during long periods of moderate to vigorous activity.
9. low-level activity that prepares your body to return to a resting state
13. heat ____________ is a form of physical stress on the body caused by overheating
16. gradually increasing the demands on your body
18. physical __________ is the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands.
20. damage to the skin and tissues caused by extreme
21. ____________ cramps are sudden and sometimes painful contractions of the muscles