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Published on Sep 27, 2010
VO2 max absolute units : 5.45 L/min Workload at Failure: 14% grade, 8 mph (last stage of Modified Bruce Test) Max Heart rate: 194 bpm Blood Lactate at Failure: ~ 19.5 mmol/L
Bodyweight: 190 lbs VO2 max relative units: 63 ml/min/kg
A VO2 max test attempts to measure your maximal oxygen consumption i.e. aerobic capacity of your cardiovascular system. Fitness, genetics, gender, age, and body composition all play roles in a person's value. While VO2 max is great for creating a sort of reference for training, it is not a great indicator of aerobic performance. A person can yield a high VO2 max score, but not be able to sustain a high % of VO2 max for a given time.
If you want to evaluate cardiovascular performance & endurance, one way would be to see how long you could last at 80% of the VO2max workload. This weens out some factors such as bodyweight and efficiency - both of which affect performance but not cardiovascular conditioning.
VO2 max in relative units scales significantly by variance in bodyweight. A subject's bodyweight could vary up to 40 lbs while having the same cardiovascular conditioning and absolute VO2 max in (L/min), but would have drastically different relative VO2 score.