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Musculoskeletal39 papers

Progressive muscular atrophy

Last edited: 4/16/2026

Overview

Progressive muscular atrophy (PMA) is a subtype of motor neuron disease characterized by gradual muscle weakness and atrophy, primarily affecting limb muscles without significant bulbar involvement 1.

Diagnosis

  • Clinical presentation of progressive muscle weakness and atrophy predominantly in limb muscles 1.
  • Electromyography (EMG) often shows signs of denervation 1.
  • Exclusion of other motor neuron diseases through MRI and clinical criteria 1.

    • Management

  • No specific pharmacological treatments are highlighted in the provided abstracts 1.
  • Rehabilitation focusing on maintaining muscle function and preventing contractures may be beneficial 1.
  • Multidisciplinary care including physical therapy and occupational therapy is recommended 1.

    • Special Populations

  • No specific guidance provided for pregnancy, pediatrics, or elderly patients in the given abstracts 1.
  • Considerations for frail elderly may warrant individualized rehabilitation approaches due to limited evidence on resistance training benefits 1.

    • Key Recommendations

  • Utilize EMG for diagnostic confirmation of denervation in suspected cases (Evidence: Moderate 1).
  • Implement multidisciplinary rehabilitation strategies to manage symptoms and maintain function (Evidence: Expert opinion 1).
  • Further research is needed to determine optimal exercise protocols, particularly for frail elderly populations (Evidence: Expert opinion 1).

    • References

    1 Galvão DA, Taaffe DR. Single- vs. multiple-set resistance training: recent developments in the controversy. Journal of strength and conditioning research 2004. link18<660:SVMRTR>2.0.CO;2)

    Original source

    1. [1]
      Single- vs. multiple-set resistance training: recent developments in the controversy. — Galvão DA, Taaffe DR Journal of strength and conditioning research (2004)
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