reflexes

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The following are key reflexes in the neurological examination: SITE REFLEX ROOT / NERVE

  • cranial nerves jaw 5th cranial nerve
  • upper limbs biceps C5,6 brachioradialis C6 triceps C7 finger flexion C8

  • trunk abdominal T7-12 cremaster L1

  • lower limbs knee L3,4 hamstring L5,S1 ankle (L5),S1

  • sphincters bulbocavernous S3,4,5 anal S4,5

Last reviewed 01/2018

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