Western blot analysis of NGF in the soleus and striatum (means±SD, n = 3). NGF: Nerve growth factor; H-Ex: High-intensity aerobic exercise group, a, b and c; M-Ex: Moderate-intensity aerobic exercise group, d, e and f; Con: Control group, g, h and i. ** p < 0.01 vs. Con; ## p < 0.01 vs. M-Ex.