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Across 4. slowly reducing your workout level after exercise 6. brisk physical activity that requires the heart and lungs to work harder to meet the body's increased oxygen demand. It promotes the circulation of oxygen through the blood. 8. means that you must engage in activity (training) that is greater than regularly experienced OR you must do more than you normally do in order to improve 10. the gradual increase of the workload over a period of time 11. how often you do something (work out). 14. to lengthen a muscle. This usually results in straightening a joint 15. A good overall body condition that gives you the ability to do daily activities with vigor and energy. 17. working out at such intensity that the body cannot deliver the required levels of oxygen to the working muscles. 18. to contract a muscle (make it shorter). This usually causes a joint to bend 20. the ability of your muscles to produce force at low to medium levels for a long time. 23. means that the body only improves at what it experiences 25. the time it takes between one of your senses recognizing a stimulus and your body moving in response 28. your ability to combine strength and speed. 29. the heart rate you should achieve and maintain in order to get the most benefit from your workout/activity. It is also called training heart rate. 30. how hard you work at what you do (work out). 31. a group of repetitions (reps).

Down 1. your ability to synchronize (combine) movements of various body parts 2. the kind of work (work out) you do 3. measures how well your circulatory system (heart and blood vessels) and your respiratory system (lungs) work together to provide energy to your body while exercising. 5. the expansion and contraction of your arteries as your heart pumps blood through them. 7. the ability of your muscles and joints to move through their full range of motion 9. the relative amounts of fat, bone, muscle, skin and organs you have in your body. 11. Frequency, Intensity, Time, Type 12. the ability of your muscles to exert force at high levels over a short time. 13. the fact that everyone responds to physical activity and training differently. 16. slowly increasing your workout level to prepare your muscles for exercise 19. one complete movement of an exercise 21. the ability to change the direction of your movement quickly while in control of your body. 22. how long you do something (work out). 24. the principle that exercise must be performed on a regular basis in order to be effective. Regular is at least 3 times a week. 26. the ability to control your body in any position, whether moving or still 27. the time it takes to move a certain distance.