Extensor Carpi Radalis Brevis is the shorter of the two extensor carpi radialis muscles. The word brevis means short in Latin. 


  • Lateral epicondyle of the humerus


  • Base of the 3rd metacarpal (dorsal side)


  • Extension of the wrist
  • Radial deviation (abduction) of the wrist


  • Radial nerve

Daily uses

  • Typing

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How can I strengthen it?

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