Autoimmune neuromuscular conditions associated with peripheral fatigue include:
(1) autoimmune myasthenia gravis
(2) Lambert-Eaton myasthenic syndrome
(3) polymyositis or dermatomyositis
Non-immune neuromuscular conditions associated with peripheral fatigue include:
(4) muscular dystrophies
(5) metabolic myopathies
(6) mitochondrial myopathies
(7) deconditioning
Metabolic myopathies include:
(1) hypokalemic or hyperkalemic periodic paralysis
(2) McArdle's disease (muscle phosphorylase deficiency)
(3) hypothyroidism or other endocrine disorder
(4) phosphofructokinase deficiency
