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Cardiorespiratory Fitness

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Definition:

Cardiorespiratory endurance is the body's ability to sustain dynamic exercise, using large muscle groups, over time and at a moderate to high intensity level. During this exercise, the body's circulatory and respiratory systems (the heart and lungs) must supply fuel and oxygen to the muscles.

Activities such as running, walking, swimming, and bicycling improve cardiorespiratory endurance. Shortened to just "cardio," the term refers to this category of exercise, in which the primary goal is to boost the heart rate.

See all fitness terms.

Also Known As: cardiorespiratory fitness, aerobic fitness, aerobic endurance, cardio workout
Alternate Spellings: cardio-respiratory endurance
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