Fitness components`

2. How muscles attach to the bones
7. a type of stretching that involves holding a position for a set amount of time to lengthen muscles and improve flexibility
9. the amount of movement a joint or series of joints can make in a specific direction
11. The ability of a muscle or group of muscles to perform repetitive contractions against a forcer for an extended period of time
13. How many times you repeat the exercise (10 bicep curls)
14. requires oxygen
16. a type of stretching that uses momentum to force a muscle or limb beyond its normal range of motion
17. Two different exercises with opposite muscle groups
18. when muscle contracts, it shortens and the joint angle decreases
20. The ability of the joints or a group of joints, and muscles to move through a range of motion effectively unrestricted

1. Is used to describe the percentage of fat, bone, water, and muscle in human bodies
3. a series of controlled movements that use your muscles to stretch through a full range of motion.
4. The amount of force you can put out or the amount of weight you can lift
5. the abbreviation for "Range of motion"
6. What does RHR stand for
8. Static contraction; no change in muscle length or joint
10. Does not require oxygen
12. The ability to exercise without becoming overly tired because your heart, lungs, and blood vessels are healthy
15. Sets: Two different exercises with the same muscle groups
19. When the muscle contracts, it lengthens and the joint angle increases