title: An electromyographic analysis of the clasp-knife phenomenon.
mesh_terms: D001927:Brain Diseases / Q000150:complications; D004576:Electromyography; D006801:Humans; D009069:Movement Disorders / Q000209:etiology / Q000503:physiopathology*; D009103:Multiple Sclerosis / Q000150:complications; D009119:Muscle Contraction; D009132:Muscles / Q000503:physiopathology*; D009433:Neural Inhibition; D012018:Reflex; D013035:Spasm / Q000503:physiopathology; D013118:Spinal Cord Diseases / Q000150:complications; D013710:Tendons / Q000503:physiopathology*