Many authors have demonstrated the efficacy of Physiotherapy in Respiratory attending respiratory difficulties associated with different types of pathologies (Chronic Obstructive Pulmonary Disease, cystic fibrosis, tumors), however the investigators did not find studies with scientific evidence demonstrating the effectiveness of these programs in children with Neuromuscular Diseases (NMD), whose quality and life expectancy depends largely on the proper handling of Bronchial secretions and delay the deterioration of respiratory function.