This study aims to investigate the static and dynamic postural stability in ankylosing spondylitis (AS), and to evaluate their relationships with clinical parameters, postural measurements, and enthesitis. Sixty-four patients with AS (37 males, 27 females; mean age 41.06±8.89 years) and 42 healthy individuals (23 males, 19 females; mean age 38.45±8.46 years) were involved in the study. The static and dynamic postural stability of all participants were assessed using the Biodex Balance System. Patients posture was evaluated using chest expansion, tragus-wall distance, and the modified Schobers test. The disease activity (Bath Ankylosing Spondylitis Disease Activity Index: BASDAI), functional status (Bath Ankylosing Spondylitis Functional Index: BASFI), spinal mobility (Bath Ankylosing Spondylitis Metrology Index: BASMI), enthesitis score (Maastricht Ankylosing Spondylitis Enthesitis Score: MASES), pain (Visual Analogue Scale: VAS), quality of life (Ankylosing Spondylitis Quality of Life: ASQoL) and depression (Beck Depression Inventory: BDI) of all patients were evaluated. Similar demographic data were found in both groups. Significant differences were acquired between the patient and control groups regarding all postural stability tests (p
Key words: Ankylosing spondylitis, enthesitis, postural stability, sensory integration and balance, postural deformity
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