Respuesta :
DMD) is a genetic disorder characterized by progressive muscle degeneration and weakness due to the alterations of a protein called dystrophin that helps keep muscle cells intact. Healthy muscles let you move freely and keep your body strong. Healthy muscles let you move freely and keep your body strong.
Answer:
Weakness in muscles with DMD as well as impaired pulmonary function
Explanation:
Muscle weakness is the principal symptom of DMD.