Stroke volume is the major trainable factor in the VO2 max equation because heart rate has a fixed upper limit (maximum heart rate), and since cardiac output = stroke volume × heart rate, improving stroke volume is the key to improving VO2 max
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Dr. YeohEvidence Quote
“and your heart rate has a fixed upper limit known as the maximum heart rate then we can say that the major trainable factor in the vo2 max equation is your stroke volume”
Created: 8/13/2026, 7:44:18 AM
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