| 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 |
| osteoperosis | a condition characterized by a decrease in bone density, producing porous and fragile bones |
| metabolism | the process by which your body gets energy from food |
| 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 |
| muscular strength | the amount of force a muscle can exert |
| muscular endurance | the ability of the muscles to perform physical tasks over a period of time without becoming fatigued |
| flexibility | the ability to move a body part through a full range of motion |
| body composition | the ratio of body fat to lean body tissue, including muscle, bone, water, and connective tissue such as ligaments, cartilage, and tendons |
| exercise | purposeful physical activity that is planned, structured, and repetitive and that improves or maintains personal fitness |
| aerobic exercise | any activity that uses large muscle groups, is rhythmic in nature, and can be maintained continuously for at least 10 minutes, three times a day or for 20 to 30 minutes at one time |
| anaerobic exercise | intense short 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 necessary to achieve higher levels of fitness |
| specificity | particular exercises and activities improve particular areas of health-related fitness |
| warm-up | an activity that prepares the muscles for work |
| workout | the part of an exercise program when the activity is performed at its highest peak |
| F.I.T.T. | frequency, intensity, time/duration, type of activity |
| cool-down | an activity that prepares the muscles to return to a resting state |
| resting heart rate | the number of times your heart beats in one minute when you are not active |
| training program | a program of formalized physical preparation for involvement in a sport or another physical activity |
| hydration | taking fluids so that the body functions properly |
| anabolic steroids | synthetic substances 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 |
| heat cramps | muscle spasms that result from a loss of large amounts of salt and water through perspiration |
| heatstroke | a condition in which the body loses the ability to rid itself of excessive heat through perspiration |
| frostbite | condition that results when body tissues become frozen |
| hypothermia | a condition in which body temperature becomes dangerously low |
| muscle cramp | a spasm or sudden tightening of a muscle |
| strain | condition resultin gfrom damaging a muscle or tendon |
| sprain | an injury to the ligament surrounding a joint |
