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Jim has a resting heart rate (RHR) ) of 70 and his heart rate reserve (HRR) is 136. Using this information to calculate Jim's low end of his target training zone (50%).

A. 206
B. 124
C. 186
D. 138

1 Answer

2 votes

Answer: D 138

Step-by-step explanation:

THR= training heart rate

BHR= Basal heart rate or basal heart rate.

HRR= heart rate reserve or heart rate reserve.

THR= HRRx% of exercise intensity + BHR

THR= (136 * 0.5) + 70 = 138

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