Inclusion Criteria:  Sedentary persons between 65 and 95 years of age. Have a walking speed ≤0.8 metres per second as this is characteristic of patients with or with onset of sarcopenia. Have a grip strength <30 kg for men and <20 kg for women as being characteristic of patients with or with onset of sarcopenia.  Exclusion Criteria:  Severe untreated osteoporosis. Having suffered a bone fracture in the last year. Having had juvenile osteoporosis during adolescence or young adulthood. Active chronic pathology Uncontrolled arterial hypertension. Uncontrolled orthostatic hypotension. Severe acute respiratory failure. Diabetes mellitus with acute decompensation or uncontrolled hypoglycaemia. Endocrine, haematological and other associated rheumatic diseases. Mental health problems (schizophrenia, dementia, depression, etc.) or not being in full mental capacity. Patients with pharmacological treatments of glucocorticoids, anticoagulants and/or diuretics. Patients with coagulation problems or previous cardiac pathology. People with a body mass index (BMI) of 30 or more. Subjects with a systemic disease or any other pathology in which therapeutic exercise may be contraindicated.