Inclusion Criteria:  Patients on hemodialysis medically stable Ability to walk to walk at least a few steps, even if walking aids like canes or a walker ar needed Life expectancy greater than 6 months  Exclusion Criteria:  Myocardial infarction in the previous 6 weeks Angina unstable on exercise or at rest Brain injury derived from a cardiovascular problem. Cerebral vascular disease such as stroke in the last 6 months or with relevant sequelae in lower limb mobility presenting hemiparesia. Life expectancy less than 6 months Cognitive impairment Language barriers Illiteracy