Fitness

4. The maximum amount of weight that can be lifted in a single effort.
6. The ability to produce a force quickly.
7. The ability to stabilize the body both in movement and stillness.
8. How hard an individual is working during exercise, often measured by heart rate or perceived exertion level.
9. The ability of muscles and joints to move through their full range of motion.
10. When training stops for prolonged periods of time, gains are lost.
11. The time taken to react to an external stimulus.
13. The ability of the heart and lungs to deliver oxygen to working muscles during sustained activity.
14. The specific kind of exercise an individual is doing.
15. The ability of a muscle to repeatedly exert force against resistance.
19. The duration of an exercise session.

1. The principle that exercise needs to continually overload the body in order for positive change to continue to occur.
2. The principle that exercise should overload the body in order for a positive change to occur.
3. The ratio of body fat to lean muscle mass.
5. The principle that the type of exercise must be specific to the desired outcome.
12. How often an individual exercises.
16. The ability to perform actions or cover distance quickly.
17. The ability to quickly and precisely move or change direction without losing balance.
18. The ability to perform smooth and efficient movement.