RT Book, Section A1 Ropper, Allan H. A1 Samuels, Martin A. A1 Klein, Joshua P. A1 Prasad, Sashank SR Print(0) ID 1162601229 T1 Disorders of the Neuromuscular Junction, Myotonias, and Persistent Muscle Fiber Activity T2 Adams and Victor's Principles of Neurology, 11e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071842617 LK neurology.mhmedical.com/content.aspx?aid=1162601229 RD 2024/04/19 AB These disorders are discussed together because they cause weakness or changes in salience of the musculature but are not strictly speaking disease of muscle, instead having their origins in problems with the terminal motor axons or neuromuscular junction, the ends of the line in motor transmission, so to speak. Their pathophysiology and clinical features sometimes overlap with immune mechanisms that underlie a number of them. In most ways, however, they stand apart from each other but are most efficiently described together here.