click below
click below
Normal Size Small Size show me how
Health C. 12
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. |
sedentery | involving little physical activity |
cardiorespiratory endurace | the ability of your heart, lungs, and blood vessels to send fuel and oxygen to the 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 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 thats beyond your regular daily activities |
progression | gradualy increasing the demands on your body |
warm-up | gentle cardiovascular activity that perepares the muscles to 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 heart beats per minute when not active |
frostbite | damage to the skin and tissues caused by extreme cold |
hypothermia | dangerously low body temperatures |
overextention | overworking the body |
heat exhaustion | a form of physical stress on the body that is 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 of a muscle |
sprains | injuries to the ligaments around a joint |