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davison chapter 13
review chapter 13
Question | Answer |
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physical activity | Any movement that requires large muscle groups to work. |
endorphins | Chemicals that block pain messages from reaching brain cells and produce feelings of pleasure. |
physical fitness | Having the energy and strength to participate in a variety of activities. |
body composition | A measure of how much body fat a person has, as compared to muscle and bone. |
aerobic exercise | An ongoing physical activity that raises your breathing and heart rates. |
anaerobic exercise | Intense physical activity that lasts for a few seconds to a few minutes. |
isometric exercise | Exercise in which muscles contract but very little body movement occurs. |
isotonic exercise | Exercise that involves contracting and relaxing muscles through the full range of their joint’s motion. |
isokinetic exercise | Exercise performed with machines that ensure muscles contract at a constant rate. |
lifelong fitness | The ability to stay healthy and fit as you age. |
FITT formula | A fitness plan that depends on four factors of exercise: frequency, intensity, time, and type. |
target heart rate | The heart rate at which your cardiovascular system receives the most benefits from exercise without working too hard. |
cross-training | Participating in a wide variety of activities. |
dehydration | A serious reduction in the body’s water content. |
dietary supplement | Any product that contains one or more vitamins, minerals, herbs, or other dietary substances lacking in the diet. |
overtraining | Exercising too intensely or for too long without allowing enough time for rest. |