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Health-Chapter 12

Physical Activity and Fitness

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