Skip to main content

Muscle Hypertrophy Signals

Meaning

The complex set of intracellular and systemic biochemical signals that collectively promote muscle protein synthesis (anabolism) and inhibit muscle protein breakdown (catabolism), leading to an increase in muscle fiber size. These signals are primarily triggered by mechanical tension, nutrient availability, and specific hormonal cues. Optimizing these signals is the foundation of muscle growth and sarcopenia reversal strategies.