Health claim
“Increased protein synthesis leads to muscle fiber growth (hypertrophy).”
Claim checked — strong evidenceLow riskexercise
Evidence Summary
Multiple well-designed studies consistently support this claim.
Muscle hypertrophy is well‑established to result from a net positive protein balance, where synthesis exceeds degradation.
Extracted from
How Muscles Get BiggerInstitute of Human Anatomy
The video explains the basic biological process of muscle hypertrophy, focusing on how resistance training stimulates protein synthesis and muscle fiber growth.
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