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3 years ago

Question 9 Multiple Choice Worth 2 points)

Health

1 answer:

Makovka662 [10]3 years ago

5 0

Answer:

Kevin, with a resting heart rate of 70 bpm has a maximum heart rate of 209 bpm, has a target rate hearth zone between 167 and 188 beats per minute.

Explanation:

Target heart rate is a measure used to calculate the heart rate range to be maintained during intense exercise.

By knowing the resting heart rate (RHR) and maximum heart rate (MHR), a target heart rate (THR) calculation can be made from the heart rate reserve (HRR)

Data:

RHR = 70 bpm
MHR = 209 bpm

Calculation of the heart rate reserve:

HRR = MHR - RHR
HRR = 209 - 70
HRR = 139 bpm

Calculation of the target hearth rate:

THR is obtained by multiplying the HRR by 0.7 and 0.85, to obtain the heart rate range in which the exercise can be performed.

Lower THR limit = (HRR x 0.7) + RHR
Lower THR limit = (139 x 0.7) + 70 = 167.3 ≈ 167 bpm
Upper limit of THR = (HRR x 0.85) + RHR
Upper limit of THR = (139 x 0.85) + 70 = 188.15 ≈ 188 bpm

For Kevin, the ideal heart rate for intense exercise is between 167 and 188 beats per minute.

Note: Although the calculations were reviewed and are accurate, the result does not match the options given in the question.

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