Cardio
VO2 Max Estimator: Cooper, Rockport, Resting HR Methods
VO2 max estimator using Cooper 12-minute run, Rockport 1-mile walk, or resting heart rate. Cross-compare protocols and age-norm against published percentiles.
Parameters
Cooper 12-min run
Rockport 1-mile walk
Uth-Sorensen (HRrest method)
Cooper run
- ml/kg/min
Rockport walk
- ml/kg/min
Uth-Sorensen
- ml/kg/min
Age-adjusted percentile
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Fitness band (age + sex matched)
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Cooper Institute / ACSM norms. A 10 ml/kg/min gap translates to roughly 15% higher all-cause mortality risk in cohort studies. Improvements of 3-6 ml/kg/min are realistic over 6 months of zone-2 + VO2-interval work.