Physiological Metrics
Understand the mathematical constants that define your body's physical limits.
The Biological Constraints
Learn how to calculate and interpret the metrics that actually matter.
- Fat-Free Mass Index (FFMI) - The ceiling for natural muscle mass.
- Basal Metabolic Rate - Cunningham vs Mifflin-St Jeor.
- Waist-to-Height Ratio - The best predictor of visceral fat.
- Lean Body Mass (LBM) - Organ tissue vs skeletal muscle.
- Bone Mineral Density (BMD) - Z-scores and T-scores.
- Ideal Body Weight (IBW) - Why these charts fail athletes.
- Cellular Hydration & Phase Angle - Measuring true cell health.
- The Somatotype Myth - Debunking Ectomorph/Endomorph pseudo-science.