A<unk>  is any disease affecting the peripheral nervous system (PNS), the<unk>  junction, or skeletal muscle, all of which are components of the motor unit. Damage to any of these structures can cause muscle atrophy and weakness. Issues with sensation can also occur.<unk> s can be acquired or genetic. Mutations of more than 500 genes have shown to be causes of<unk> s. Other causes include nerve or muscle degeneration, autoimmunity, toxins, medications, malnutrition, metabolic derangements, hormone imbalances, infection, nerve compression/entrapment, comprised blood supply, and trauma.
Neuromuscular disease
Neurocristopathy
Spinal disease
Nerve injury
Spinal tumor
Tooth pathology
Neurodegenerative disease
Central nervous system disease