Inclusion Criteria:  Body mass index (BMI) between 15 and 30 kg / m²  Exclusion Criteria:  Neurological, rheumatic or tumoral diseases; Pathologies or physical conditions incompatible with the use of magnetic resonance imaging and electrostimulation (i.e., active and passive implanted biomedical devices, epilepsy, severe venous insufficiency in the lower limbs, pregnancy); Previous interventions or traumas to the joints of the lower limb.