EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE, cilt.47, sa.3, ss.391-397, 2011 (SCI-Expanded)
Background. It is well-known that pulmonary function is altered in patients with ankylosing spondilitis (AS) owing mainly to the restriction of chest expansion. In addition to musculoskeletal factors, development of pulmonary function abnormalities may also deteriorate exercise tolerance of the patients.