VO2 max, or cardiorespiratory fitness, is your body’s ability to use oxygen for muscle function. Low values are associated with alzheimers, diabetes, depression, cancer, and dementia. Calculations vary between men and women. To calculate your VO2 max level without a doctor, multiply 100.27*0.226*Physical Activity Index*Age*Waist Circumference in centimeters*resting heart rate. To raise your VO2 max value, exercise more and harder.
Read more: Should Your Doctor Check Your VO2 Max?