VO2 Max Genetics, Aging & Ceiling Simulator

Based on The Economist's cardiorespiratory fitness & genetic heritability model (~50% genetic factor)
Fick Equation Partitioning
Clinical Presets
Physiological Inputs
38 yr
76 kg
Median (50th %ile)
4.5 hrs/wk
Polarized (Zone 2 + HIIT)
Fick Transport Decomposition
Max Heart Rate182 bpm
Stroke Volume (SV)112 mL
Cardiac Output (Q)20.4 L/min
a-vO2 Difference14.7 mL/dL
Current VO2 Max
39.5
mL/kg/min
Peak Attainable
49.2
mL/kg/min
Age 70 Projected
37.8
active path
Frailty Buffer
+28 yrs
above 18 mL/kg/min
Lifespan Aerobic Trajectory (Age 20 - 90) Active decline: ~5.2%/dec | Sedentary: ~10.0%/dec
Active Training Path
Untrained Sedentary Path (~10%/dec)
Peak Genetic Ceiling
Frailty Cutoff (18 mL/kg/min)
Primary Adaptation Bottleneck: Peripheral capillary and mitochondrial density (responsive to sustained Zone 2 aerobic volume).
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