training-sensitive zone

train·ing-sen·si·tive zone

(trān'ing-sen'si-tiv zōn)
Level of exercise heart rate, usually 65-95% of heart rate maximum or 50-85% of heart rate reserve, required to induce training improvements in aerobic fitness. Exercise heart rates below the 70% threshold are generally offset by extending exercise duration.
See also: target heart rate
Synonym(s): target heart rate range.
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