CanFitPro Personal Training Specialist Practice Test

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What is the estimated error in BPM when calculating HRmax and HRR using 220-age?

1 to 5 BPM
5 to 8 BPM
10 to 15 BPM
20 to 25 BPM

The correct answer is: 10 to 15 BPM

Using the formula 220-age to calculate HRmax and HRR is an estimation method based on population data, and it doesn't take into account individual variations such as fitness level, medications, or health conditions. Therefore, the estimated error can vary greatly and could be as low as 10 BPM or as high as 15 BPM. Option A and B are too low of a range and don't accurately represent the potential error. Option D is too high of a range and is unlikely to be the error in most cases.