Mechanical Tension 🆚 Metabolic Stress

Mechanical tension and metabolic stress are two of the primary mechanisms of hypertrophy.

Together, they explain why weightlifting leads to muscle growth rather than just calorie burn.

⚙️ Mechanical Tension: The Primary Driver

🐢 Eccentric Emphasis for Tension

🔥 Metabolic Stress: The “Pump” Factor

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