Inclusion Criteria:  Being over 18 years of age. Being diagnosed with CTS Unilateral CTS  Exclusion Criteria:  trauma or surgery on the upper limb within the last two years. diagnosis of severe CTS. pregnancy. atrophy of the tenar muscles. local corticosteroid injection or physiotherapy for CTS within the last 3 months. peripheral nerve damage. entrapment neuropathy at the most proximal levels of the upper limb.