title: Diaphragmatic movement and spirometric volume in patients with ankylosing spondylitis.
mesh_terms: D000328:Adult; D003964:Diaphragm / Q000503:physiopathology*; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012119:Respiration; D013147:Spirometry; D013167:Spondylitis, Ankylosing / Q000503:physiopathology*; D013909:Thorax / Q000503:physiopathology*; D014797:Vital Capacity