Diaphragm weakness.
D003964:Diaphragm / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D011379:Prognosis; D012133:Respiratory Paralysis / Q000209:etiology / Q000503:physiopathology*; D014797:Vital Capacity