Effectiveness of Radial Extracorporeal Shock Wave Therapy and Supervised Exercises in Lateral Epicondylitis

Inclusion Criteria: * The diagnosis of LE was made in the clinical examination, and the diagnosis was confirmed with the Southampton Diagnostic Criteria of "the presence of epicondyle pain, and epicondyle pain and tenderness on resisted extension of the wrist. * Patients with symptoms lasting longer than 3 months * with average pain in the previous week detected as 3 or above on a 10-cm visual analogue scale (VAS) * who were aged over 18 years Exclusion Criteria: * pain in the proximal part of the affected extremity (e.g. shoulder pain, neck pain) * abnormal neurogenic symptoms (e.g. radicular pain, numbness) on the affected extremity * presence of posterior interosseous nerve entrapment * congenital or acquired upper extremity deformities that might affect grip strength * systemic musculoskeletal system or neurologic disorders * systemic rheumatologic disease or systemic infection * presence of malignancy, coagulation disorders, and anticoagulant use * inserted cardiac pacemaker * history of surgical treatment on the elbow of the affected extremity * pregnancy. * patients who were administered other treatments such as physical therapy or steroid injections in the last 3 months