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# What is the formula to predict maximum VO2?

A:

The formula to predict maximum VO2 is 15.3 x (MHR/RHR). MHR is the maximum beats per minute, and this value equals 208 - (0.7 x age). RHR is the resting heart rate, or beats per minute, and this value equals the number of heartbeats in 20 seconds multiplied by 3.

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The Rockport Fitness Walking test is another way to estimate maximum VO2. The formula is maximum VO2 = 132.853 - (0.0769 x W) - (0.3877 x A) + (6.315 x G) - (3.2649 x T) - (0.1565 x H). "W" refers to the person's weight in pounds, "A" is age in years and "G" is a gender value, which is 0 for females and 1 for males. "T" refers to the time in minutes it takes for a person to walk 1 mile, and "H" is the person's number of heartbeats in 10 seconds after the 1-mile walk.

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