In order to be included in the study, participants had to be right-handed, have a medical report stating that they were in sufficient physical condition to participate in a physical exercise program of low to moderate intensity immersed in warm water. They also stated that they did not have any pathology that limited the practice of hydrotherapy and did not take any pharmacological treatments. The researcher confirmed by telephone, these proceedings. The participants also declared not to have practiced any specific physical activity or regular walking (for at least 30 minutes, twice a week) for five years, characterizing their sedentary status for at least five years