Distinguishing Upper vs Lower motor neuron lesions

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Distinguishing Upper vs Lower motor neuron lesions

Lower Motor Neuron Lesions

  • Flaccid
  • Reduced / absent reflexes
  • Wasting
  • Fasciculations
  • Down-going / absent plantar reflex

 

Upper Motor Neuron Lesions

  • Spastic
  • Increased reflexes
  • Retained muscle bulk
  • Up-going plantar reflexes

 
 

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