Mode d'action et effets physiologiques de la testostérone, ou de l'inutilité d'un apport d'anabolisants chez le sportif

Effects of Eccentric Strength Training’s Duration on Daily Plasma Testosterone Levels in Tunisian Male Sedentary Athletes

“…The physiological role of this decrease in plasma testosterone concentration is an adaptive phenomenon, which should be respected, as it helps to remove an inhibitory brake on glycogenolysis, and otherwise facilitating proteolysis to supply the gluconeogenesis in amino acids like the alanine (Bricout, 2000;Kvorning et al, 2006). Moreover, the myotropic action of endogenous androgens opposes to the catabolic action of proteins degradation of muscle, in which cortisol is responsible, and without it the muscle atrophy would quickly place during intense physical repeated effort (Callard et al, 2000;Hayes et al, 2010).…”