John is a 36-year-old male who weighs 170 pounds. His 15-second pulse for the Forestry Step Test is 31. What is his estimated VOzmax?
Zoey is a 22 years old runner. She does a two-stage treadmill test to estimate her VOz max. For stage one, she walks at 3.5mph at a 0% grade, and her HR is 80. For her second stage, she walks at 3.5mph at a grade of 4%, and her HR is 120. What is her cardiorespiratory fitness classification?