Neuromuscular

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MEDIAN NERVE

Anatomy
Local lesion syndromes
  Anterior interosseus
  Carpal tunnel
  Ligament of Struthers
  Palmar cutaneous
  Pronator syndrome
  Thenar motor

Median nerve: Anatomy Median nerve: Lesions


Gowers
Normal hand
Thumb is
perpendicular to
plane of palm
Median nerve lesions
Thumb is externally rotated
  into plane of palm.
Thenar eminence is wasted.

Carpal Tunnel Syndrome, Familial 2 (CTS2) 4

  Cartilage Oligomeric Matrix Protein (COMP) ; Chromosome 19p13.11; Dominant
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References
1. Acta Neurol Scand 2001;104:377-379
2. J Clin Neurophysiol 2010;27: 344–349
3. Neurology 2014;82:598–606
4. Nat Commun 2020;11:3642
5. Brain Commun 2020;2(2):fcaa085

6/7/2021