Physiological Drivers
Mechanical Tension (Lifting)
0 %
AAS / Supraphysiologic Androgens
0 mg/wk
Ethanol Consumption (Alcohol)
0 g/day
Dietary Leucine / Protein Intake
1.2 g/kg
Sim Timeline Controls
Duration (Weeks)
16 Weeks
Net MPS Rate
+0.0 %
mTORC1 Activation
12 %
Cross-Sectional Area Δ
+0.2 %
Myonuclear Count
100 %
Microscopic Fiber Cross-Section
mTORC1 Molecular Pathway Map
Longitudinal Muscle Mass Trajectory (kg Lean Mass Δ)
🔬 Case Analysis: The Peter Mossfield Phenomenon
In a viral exercise experiment, Peter Mossfield administered supraphysiological anabolic steroids and consumed high levels of ethanol without engaging in resistance training. While AAS enhances basal transcription, mechanical tension is required to recruit satellite cells, induce myonuclear accretion, and fully activate focal adhesion kinase (FAK) / mTORC1. Furthermore, heavy alcohol directly impairs 4E-BP1 phosphorylation and translational capacity, drastically undermining potential pharmacological muscle gains and leaving him in a compromised, fat-accumulated body composition at competition.