Prospective randomized study of 2 different techniques for endoscopic iliopsoas tendon release in the treatment of internal snapping hip syndrome.

Purpose: To evaluate the short-term results of 2 different techniques of endoscopic iliopsoas tendon release for the treatment of internal snapping hip syndrome.

Methods: Between January 2005 and January 2007, a consecutive series of patients with the diagnosis of internal snapping hip syndrome was treated with endoscopic release of the iliopsoas tendon. The patients were randomized into 2 different groups.