This study investigated the effect of non-periodized training performed at 80. 100 and 120% of the anaerobic threshold intensity (AnT) and a linear periodized training model adapted for swimming rats on the gene expression of monocarboxylate transporters 1 and 4 (MCT1 and 4. in soleus and gastrocnemius muscles). protein contents. https://www.pomyslnaszycie.com/