3 years ago

Please help, I can't fail this!

2 answers:

6 0

The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B

fomenos3 years ago

5 0

Resting rate - maximum rate.

40 year old - 220 maximum rate
180 - resting rate
180 - 75 =
105
B

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