text: Although the treatment with MSG increased IRS-1 tyrosine phosphorylation (<< pIRS-1 >>) by 96 % (MSG, 17.02 ± 0.6; control, 8.7 ± 0.2 a.u.), exercise training also increased it in both groups (control, 13.6 ± 0.1; [[ MSG ]], 22.2 ± 1.1 a.u.).