Where Is The Perfect Male Muscle: Revision history

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15 August 2025

  • curprev 18:5918:59, 15 August 2025JoeannMeador227 talk contribs 4,996 bytes +4,996 Created page with "<br>Deficiency of the fast-twitch muscle protein alpha-actinin-3 due to homozygosity for a nonsense polymorphism (R577X) in the ACTN3 gene is common in humans. Actinin-3 deficiency (XX) is associated with reduced muscle strength/power and enhanced endurance performance in elite athletes and in the general population. The association between R577X and loss in muscle mass and function (sarcopenia) has previously been investigated in a number of studies in elderly humans. T..."