Inclusion Criteria:  Aged 18-65 years Had persistent lateral elbow pain at least 6 months' duration with suspected lateral epicondylitis Be able to understand enough Turkish to complete the outcome questionnaire Patients whose informed consent was obtained for paticipation in the study  Exclusion Criteria:  Fibromyalgia History of surgery in the elbow History of fracture that cause the deformity at radius/ulna Pregnancy or breastfeeding Inflammatuar arthropathy in upper extremities Osteoarthritis in the upper extremities Neurological disabilities that effect the upper extremity functions Cervical radiculopathy that effect the level of C6-C7