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17 terms

chapter 12 benefits of physical activity

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exercise
purposeful physical activity that is planned, structural, and repetitive, and that improves or maintains physical 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 reserves to respond to unexpected demands
sedentary
involving little physical activity
aerobic exercise
all rhythmic activities that use large muscle groups for and 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
cardiorespiratory endurance
the ability of your heart, lungs, and blood vessels to send fuel and oxygen to your tissues during long periods of moderate, 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
cool down
low-level activity that prepares your body to return to a resting state
overload
expressing at a level that's beyond your regular daily activities
progression
gradually increasing the demands on your body
resting heart rate
the number of times your heart beats per minute when you are not active
specificity
choosing the right types of activities to improve a given element of fitness
warm up
gentle cardiovascular activity that prepare the muscle for work
work out
the part of an exercise session when you are at your highest peak