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Health-Chapter 12
Physical Activity and Fitness
| Question | Answer |
|---|---|
| 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 |
| exercise | purposeful physical activity that is planned, structured, and repetitive, and that improves or maintains physical fitness |
| sedentary | involving little physical activity |
| cardiorespiratory endurance | the ability of your heart, lungs, and blood vessels to send fuel and oxygen to your tissues during long periods of moderate to vigorous activity |
| muscular strength | the amount of force your muscles can exert |
| muscular endurance | the ability of your muscles to perform physical tasks over a period of time without tiring |
| flexibility | the ability to move your body parts through their full range of motion |
| aerobic exercise | all rhythmic activities that use large muscle groups for an extended period of time |
| anaerobic exercise | intense, short bursts of activity in which the muscles work so hard that they produce energy without using oxygen |
| specificity | choosing the right types of activities to improve a given element of fitness |
| overload | exercising at a level that's beyond your regular daily activities |
| progression | gradually increasing the demands on your body |
| warm-up | gentle cardiovascular activity that prepared the muscles for work |
| workout | the part of an exercise session when you are exercising at your highest peak |
| cool-down | low-level activity that prepares your body to return to a resting state |
| resting heart rate | the number of times your heart beats per minute when you are not active |
| frostbite | damage to the skin and tissues caused by extreme cold |
| hypothermia | dangerously low body temperature |
| overexertion | overworking the body |
| heat exhaustion | form of physical stress on the body caused by overheating |
| heatstroke | a dangerous condition in which the body loses its ability to cool itself through perspiration |
| muscle cramps | sudden and sometimes painful contractions of the muscles |
| strains | overstretching and tearing a muscle |
| sprains | injuries to the ligaments around a joint |
Created by:
erobbins329
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