title: A pure sign of lumbrical function.
mesh_terms: D002349:Carpal Tunnel Syndrome / Q000175:diagnosis; D004185:Disability Evaluation; D004576:Electromyography; D006225:Hand / Q000033:anatomy & histology / Q000503:physiopathology*; D006801:Humans; D008475:Median Nerve / Q000503:physiopathology; D009132:Muscles / Q000503:physiopathology*; D009431:Neural Conduction; D010523:Peripheral Nervous System Diseases / Q000503:physiopathology*; D014459:Ulnar Nerve / Q000503:physiopathology