Exercise and Fitness

2. purposeful selection of exercises for a certain group[s] of muscles
7. strength, the ability of a muscle to exert force against resistance.
12. 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.
13. Heart Rate, the heart rate when NOT active.
15. exercises accommodating resistance against a muscle as it moves through a range of motion at a steady rate of speed.
16. exercises combine movement of the joints with contraction of the muscles, building flexibility and strength.
17. exercise increases your heart rate and pumps more blood throughout your body.

1. a muscle's ability to lengthen without tearing.
3. exercises use muscle tension to improve strength with little or no movement of the body part.
4. endurance, the ability of a muscle to exert force against resistance for an extended period of time.
5. a muscle's ability to return to normal once stretched.
6. Exercising at a level beyond your regular daily activities
8. exercise Intense, short bursts of activity in which the muscles work so hard that they produce energy without using oxygen
9. the 3-5 mins. Prior to exercise program, the individual begins working muscle groups without resistance to improve blood flow.
10. Gradually increasing the demands on your body
11. composition, the portions of lean body tissue and fat.
14. 3-5 mins. After exercising when the individual allows the muscles to relax but continues to stretch the muscles, reducing the levels of lactic acid.