aerobic training threshold

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The minimum intensity of aerobic training below which there is no observable training effect. The aerobic training threshold is usually expressed as a percentage of a person's maximum oxygen uptake or, more conveniently, as the heart rate that corresponds approximately to this percentage. Karvonen suggested the following formula to estimate the heart rate at which the aerobic threshold is reached; THR = 0.7 (max HR − resting HR) + resting HR; where THR is the training heart rate at the aerobic threshold; max HR is the maximum heart rate (assumed to be 220 − age); and resting HR is the heart rate at rest.

Subjects: Sports and Exercise Medicine.

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