Physical Activity

2. strength the amount of force your muscles can exert.
5. exercise all rhythmic activities that use large muscle groups for an extended period of time.
7. activity – any form of movement that causes your body to use energy.
10. choosing the right type of activities to improve a given element of fitness.
11. overworking the body.
12. damage to the skin and tissues caused by extreme cold.
13. cramps a sudden and sometimes painful contractions of the muscles.
16. injuries to the ligaments around a joint.
17. endurance the ability of your muscles to perform physical tasks over a period of time without tiring.
19. involving little physical activity.
20. heart rate the number of times your heart beats per minute when you are not active.
21. exercise intense, short bursts of activity in which the muscles work so hard that they produce energy without using oxygen.
23. fitness the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands.
24. a dangerous condition in which the body loses its ability to cool itself through perspiration.
25. purposeful activity that is planned, structured, and repetitive, that improves or maintains physical fitness.

1. the ability to move your body parts through their full range of motion.
3. low-level activity that prepares your body to return to a resting state.
4. the part of an exercise session when you are exercising at your highest peak.
6. dangerously low body temperature.
8. exercising at a level that’s beyond your regular daily activities.
9. gradually increasing the demands on your body.
14. overstretching and tearing a muscle.
15. endurance 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.
18. gentle cardiovascular activity that prepares the muscles for work.
22. exhaustion a form of physical stress on the body caused by overheating.