A 2000 University of Tennessee study found that VO2 max improvements with training were primarily due to increases in cardiac output (oxygen delivery) rather than increases in oxygen utilization by muscles, meaning the cardiovascular system contributes 70-85% of VO2 max improvement
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Dr. YeohEvidence Quote
“in a paper published in 2000 at the University of Tennessee researchers found that increase in vo2 max with training was due primarily to an increase in cardiac output and not an increase in the amount of oxygen taken up by the muscles”
Created: 8/13/2026, 7:44:18 AM
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