Inclusion Criteria:  patients diagnosed with unilateral De Quervain tenosynovitis 18-65 years old  Exclusion Criteria:  pain history of less than four weeks, upper extremity entrapment neuropathy, major psychiatric disease, upper extremity surgical treatment history, malignancy history, chronic rheumatic disease, cervical radiculopathy, cervical myelopathy, local corticosteroid injection prior to De Quervain tenosynovitis and receiving physical therapy.