Efficacy of Corticosteroid Injection and Nerve Hydrodissection in Carpal Tunnel Syndrome

5 ml of 0.9% isotonic sodium chloride solution will be applied to the intracarpal area median nerve area once with the USG probe.

1 ml of 3mg/ml betamethasone sodium phosphate or 3mg/ml betamethasone acetate solution will be applied with the USG probe.

Performed with 6 different consecutive positions of the hand and wrist. 1- Wrist in neutral position, fingers and thumb in flexion 2- Wrist in neutral position, fingers and thumb in extension 3- Wrist and fingers in extension, thumb in neutral position 4- Wrist, fingers and thumb in extension 5- Forearm in supination, wrist and fingers in extension 6- Forearm in supination, wrist and fingers in extension, gentle stretching is applied to the thumb with the hand. Tendon gliding exercises: Performed to ensure isolated mobility of the flexor digitorum superficialis and profundus muscles in the canal. Tendon gliding exercises are performed in 5 different consecutive positions, respectively. 1- Fingers straight 2- Fingers in hook position 3- Fingers in fist position 4- Fingers in table shape position 5- Fingers in straight fist. The exercises will be asked to be done 10 times, once a day, every day for 3 weeks.