The frequency of superior cluneal nerve entrapment diagnosed with ultrasound-guided nerve block in patients with low back pain: A prospective, cross-sectional study.

Introduction: To determine the frequency of superior cluneal nerve entrapment (SCN-E) in patients who applied to our outpatient clinic with low back pain.

Methods: Two hundred patients with mechanical low back pain persisting more than 3 months were included in our study. All patients were evaluated with detailed clinical history and physical examination.