FITNESS

3. exercises that help maintain strength
7. the conversion of food to energy
8. a consistent exercise
12. muscle spasms that occur during heavy exercise in hot environments
14. when your body loses heat faster than it can produce it
16. maintaining an ideal and healthy amount of body fat
17. injuring something due to too much tension
18. exercising in the form of contracting muscles; lifting weights
19. resistance training with a machine
21. when you push your body too hard
22. your body overheating resulting in cramps, migraines, and heavy sweating

1. injury caused by the freezing of the skin and underlying tissues
2. the quality of bending easily without breaking
4. intermittent exercise
5. working harder than usual to improve
6. unit of energy
7. these occur when you're overworking muscles
9. stretching or tearing of ligaments
10. when you spend too much time sitting down
11. the number of calories required to keep your body functioning
13. being trained in more than one skill
15. starting small and building up from there
20. knowing what you need to work on and focusing on training your body in that way