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Regular VO2 Max testing helps athletes track improvements in cardiovascular fitness over time, evaluate the effectiveness of training programs, and set realistic performance goals. It is also an excellent test for determining longevity, even in the non-athlete.
A maximal oxygen uptake test – more commonly known as a VO2 test – measures the maximum amount of oxygen an individual uses during intense physical exercise and is one of the best indicators of cardiovascular fitness and aerobic endurance.
The test involves exercising on a treadmill or stationary bike while connected to equipment that measures both the oxygen inhaled and the carbon dioxide exhaled. The intensity of exercise gradually increases until exhaustion is reached or your oxygen consumption plateaus.
VO2 max is usually expressed in milliliters of oxygen per minute per kilogram of body weight (ml/min/kg). It reflects your aerobic fitness level and the efficiency of your cardiovascular system in delivering oxygen to your muscles during exercise.
VO2 Max in lab testing is a more accurate determinant of cardiovascular fitness than VO2 max data from wearable devices.
Prepare for a VO2 Max Test by avoiding intense exercise for 24 hours prior, refraining from consuming caffeine or alcohol, and maintaining hydration levels.
