Explain the difference between maximum heart rate (MHR) and target heart rate (THR). Calculate the two values for a 25-year-old person, and discuss their significance for that person
Maximum heart rate (MHR) is an estimated value representing the absolute maximum heart rate possible for a person your age. You should never exercise at this rate, of course.
Estimate your maximum heart rate (MHR). Subtract your age from 220.
Target heart rate is the heartbeat rate that will achieve a cardiovascular conditioning effect for a given person: fast enough to push the heart, but not so fast as to strain it.
Determine your target heart rate range. Multiply your MHR by 55 percent and 90
percent to find your upper and lower limits.
Example: 25-year old person
MHR = 220 - 25 = 195
Target heart range is 107 to 175
195 X 55% = 107
195 X 90% = 175
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