Inclusion Criteria:  Spondyloarthritis patients were diagnosed according to 2009 Assessment of Spondyloarthritis International Society (ASAS) criteria  Exclusion Criteria:  Severe cardiovascular and respiratory diseases, Severe liver and kidney failure, Pregnancy and lactation, Active infection, Malignancy, Demyelinating diseases, Systemic lupus erythematosus, History of knee, elbow, foot and ankle surgery, Fluoroquinolone, retinoid and fluoride use, Local corticosteroid injection at the examination sites within the six weeks before evaluation Peripheral neuropathy