Anterior horn cell | Motor neuron disease |
| Poliomyelitis |
| Spinal muscular atrophy |
Peripheral nerve (and/or nerve roots) | Critical illness polyneuropathy |
| Guillain-Barré syndrome |
| Porphyria |
Neuromuscular junction | Botulism |
| Lambert-Eaton myasthenic syndrome |
| Myasthenia gravis |
| Organophosphate poisoning |
Muscle | Acid maltase deficiency |
| Congenital myopathy |
| Congenital muscular dystrophy |
| Critical illness myopathy |
| Duchenne muscular dystrophy |
| Inflammatory myopathy |
| Limb girdle muscular dystrophy (especially LGMD 2C-2F, 2I) |
| Mitochondrial myopathy |
| Myotonic dystrophy (DM1) |
| Rhabdomyolysis |