| A | B |
|---|
| physical activity | any form of movement that causes your body to use energy |
| physical fitness | the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands |
| sedentary lifestyle | a way of life that involves little physical activity |
| osteoporosis | condition characterized by a decrease in bone density, producing porous and fragile bones |
| cardiorespiratory endurance | the ability of the heart, lungs, and blood vessels to utilize and send fuel and oxygen to the body's tissues during long periods of moderate-to-vigorous activity |
| body composition | the ratio of body fat to lean body tissue |
| aerobic exercise | any activity that uses large muscle groups, is rhythmic, and can be maintained for at least 10 minutes |
| anerobic exercise | involves short intense bursts of activity in which the muscles work so hard that they produce energy without using oxygen |
| overload | working the body harder than it is normally worked |
| progression | the gradual increase in overload necessay to achieve higher levels of fitness |
| specificity | particular exercises and activities improve particular areas of health-related fitness |
| FITT | To be effective, workouts should follow this formula (frequency, intensity, time, and type) |
| hydration | Taking in fluids so that the body functions properly |
| anabolic steroids | Synthetic sunstances that are similar to the male hormone testosterone |
| health screening | A search or check for diseases or disorders that an individual would otherwise not have knowledge of or seek help for |
| overexertion | Overworking the body |
| heatstroke | A condition in which the body loses the ability to rid itself of excessive heat through perspiration |
| frostbite | A condition that results when body tissues become frozen |
| hypothermia | A condition in which body temperature becomes dangerously low |
| sprain | An injury to the ligament surrounding a joint |
