Figure 5. Colorimetric estimation of CaN activity in the rat soleus muscle (nmol·mg^–1·min^–1). CaN: Calcineurin; H-Ex: High-intensity aerobic exercise group; M-Ex: Moderate-intensity aerobic exercise group; Con: Control group. ** p < 0.01 vs. Con; # p < 0.05, ## p < 0.01 vs. M-Ex.