Endurance training improves responsiveness to insulin and modulates insulin signal transduction through the phosphatidylinositol 3-kinase/Akt-1 pathway - Luciano, E; Carneiro, E M; Carvalho, C R; Carvalheira, J B; Peres, S B; Reis, M A; Saad, M J; Boschero, A C; Velloso, L A (Eur J Endocrinol, 2002)