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- See:
  - EMG of Myopathic Disorders:
  - Histological Features of Myopathy
  - Neuropathic Disorders:

- Diff Dx of Myopathic Disorders:
  - Becker Muscular Dystrophy
  - Congenital Myopathies
  - Duchenne Muscular Dystrophy
  - Facioscapulohumeral Muscular Dystrophy
  - Limb-Girdle Muscular Dystrophy.
  - Myotonic Muscular Dystrophy

- Inflammatory Myopathies
  - Dermatomyositis and Polymyositis
  - Steroid Myopathy
  - Metabolic Myopathies

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The diagnosis and orthpaedic treatment of childhood spinal muscular atrophy, peripheral neuropathy,  Freidreich ataxia, and arthrogryposis.