Ch 12 Physical Activity and Fitness

2. Damage to the skin and tissues caused by extreme cold.
7. The ability of joints to move through a full range of motion.
10. Exercise that increases heart rate and uses oxygen to supply energy.
11. Sudden, painful tightening of a muscle.
12. Involving little or no physical activity.
14. The ability of a muscle or muscle group to perform repeated movements over time.
16. A type of physical activity that is planned, structured, and repetitive.
20. Injuries to muscles or tendons caused by overstretching or tearing.
22. The ability of the heart, lungs, and blood vessels to supply oxygen during activity.
23. A dangerous condition in which the body loses heat faster than it can produce it.
24. The amount of force a muscle can exert.

1. The number of times the heart beats per minute when at rest.
3. Short bursts of intense physical activity that do not rely on oxygen for energy.
4. The ability to carry out daily tasks easily and have reserve energy.
5. The gradual increase in intensity, frequency, or duration of physical activity.
6. Working the body harder than it is normally accustomed to.
8. A condition that occurs when physical activity exceeds the body’s ability to recover.
9. Training specific muscles to improve performance in a specific activity.
13. A condition caused by excessive loss of water and salt through sweating.
15. A life-threatening condition in which the body loses the ability to regulate temperature.
17. Injuries to ligaments caused by stretching or tearing.
18. Any form of movement that causes the body to use energy.
19. The part of an exercise session when you are exercising at your highest level.
21. A light activity that prepares muscles for more intense exercise.
22. An activity that prepares the body to return to a resting state.