A general term encompassing lower MOTOR NEURON DISEASE; PERIPHERAL NERVOUS SYSTEM DISEASES; and certain MUSCULAR DISEASES. Manifestations include MUSCLE WEAKNESS; FASCICULATION; muscle ATROPHY; SPASM; MYOKYMIA; MUSCLE HYPERTONIA, myalgias, and MUSCLE HYPOTONIA.

Synonyms: Oppenheim's Disease, Benign Fasciculation-Cramp Syndromes, Cramp Fasciculation Syndrome, Benign Fasciculation-Cramp Syndrome, Neuromuscular Diseases, Fasciculation Cramp Syndrome, Benign, Foley-Denny-Brown Syndrome, Foley Denny Brown Syndrome, Cramp-Fasciculation Syndromes, Syndromes, Cramp-Fasciculation, Amyotonia Congenita, Neuromuscular Disease, Fasciculation-Cramp Syndromes, Benign, Oppenheims Disease, Syndrome, Foley-Denny-Brown, Fasciculation-Cramp Syndrome, Benign, Cramp-Fasciculation Syndrome, Oppenheim Disease, Syndrome, Cramp-Fasciculation