Clinical Trial for Surgery of the Ulnar Nerve (SUN) at the Elbow

Inclusion Criteria: * A clinical diagnosis or suspected diagnosis of isolated ulnar neuropathy at the elbow * Confirmation of ulnar neuropathy using the American Association of Electrodiagnostic Medicine criteria for electrodiagnostic studies at the elbow. (Participants must meet at least 1 of the criteria to be enrolled (absolute motor nerve conduction from above elbow (AE) to below elbow (BE) of less than 50 m/s; An AE to BE segment greater than 10 m/s slower than BE to wrist segment; A decrease in compound muscle action potential (CMAP) negative peak amplitude from BE to AE greater than 20%) * Stated willingness to comply with all study procedures and availability for the duration of the study * Able to read, understand and complete the questionnaires in English Exclusion Criteria: * Previous elbow fracture requiring surgical fixation * Patients who have not attempted conservative management for UNE (e.g. night splinting) * Subluxation of ulnar nerve on preoperative exam * Recurrent UNE after previous surgery * Concomitant neuropathic conditions such as Carpal Tunnel Syndrome or cervical or brachial plexus abnormalities * Participants with severe comorbid conditions that prohibit surgery