| A | B |
|---|
| exercise | physical activity that consists of a regular series of activities to train and strengthen the body. |
| body composition | the division of total body weight into fat weight and fat-free weight. |
| the two benefits of exercise | physical and mental benefits |
| endorphin | a substance produced inside the brain that has pain-killing effects. |
| physical fitness | the ability to perform daily tasks vigorously and to perform physical activites while avoiding diseases related to lack of activity |
| aerobic fitness | your body's ability to endure at least 10 minutes of continuous exercise |
| muscular strength | the amount of force you generate using your muscles |
| flexibility | your body's ability to use its major joints fully. |
| marathon | a distance of 26.2 miles |
| reasonably fit | what you are if your heart rate is between 100 and 140 beats per minute |
| carotid artery | can be used to find your pulse--on your neck |
| 33 to 35 | how many curl-ups girls should be able to do in one minute. |
| 40 to 44 | the number of curl-ups boys should be able to do in one minute. |
| one pull up | how many pull-ups girls should be able to do. |
| three to five pull ups | the number of pull-ups boys should be able to do. |
| if you can pinch more than an inch | you should consider changing your diet and increasing your physical activity. |
| aerobic exercise | physical activity that increases the supply of oxygen to the muscles, and that can be continued for a period of time without stopping. |
| team sports | basketball, hockey, baseball are all examples of these. |
| anaerobic exercise | physical activity that increases speed and muscular strength, and that cannot be continued for more than a few minutes without stopping. |
| intensity | the term used to describe how hard you are working. |
| 220- your age | the formula for calculating your maximum heart rate. |
| three times per week | the frequency with which you should exercise |
| warm up | you should do this before doing any strenuous physical activity. |
| cool down | what you need to do after you finish exercising. |
| listen to your body signals | this means that you need to pay close attention to how your body is feeling. |
| not more than 5 beats per minute above the upper limit of your target heart rate | if this happens, you should lighten your workouts. |
| two or three layers | are better than one heavy layer |
| rubber suit | you should never wear one of these to lose weight |
| if you only exercise on the weekends | it will do little to improve your overall fitness level |
