<prompt> Extensor Carpi Radialis Longus is -Extensor and ulnar deviator of the wristExtensor and radial De viator of the wristInjured in Posterior interosseus nerve injuryWeak extensor of the wrist  <response>: Ans. is b i.e., Extensor and radial Deviator of the wrist o Extensor carpi Radialis Longus is a primary extensor and radial deviator of the wrist o It is supplied by the radial nerve and not the PIN o Loss of function causes wrist drop 