Mrs. Adams would like to begin an exercise program and was told to exercise as intensely as necessary to obtain a heart rate 60% or greater of her maximum heart rate. She is 52. What heart rate should she achieve?
A) 80
B) 100
C) 120
D) 140
B) 100
Maximum heart rate is calculated by subtracting the patient's age from 220. For Mrs. Adams, 60% of this number is about 100. She must also be instructed in how to measure her own pulse or have a device to do so. Most people are able to carry on a conversation at this level of exertion.
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