Diagnosis of Ankylosing spondylitis
- + FABER TEST (Flexion, ABduction and External Rotation): painful sacroiliac joint
- + SCHOBER TEST: measures spine flexion —-> decrease spine mobility
- Postural changes: increase thoracic kyphosis and decrease lumbar lordosis
- X-ray: Fusion of the sacroiliac spine; Bamboo spine; squaring of the vertebral bodies, calcification
- Accurate test is MRI
- Elevated CRP, ESR