<prompt> Foot drop is caused due to injury to?Common peroneal nerveTibial NerveFemoral NerveObturator Nerve  <response>: Foot drop it occurs due to injury to common peroneal nerve which usually gets injured at the neck of fibula. Femoral nerve injury - unable to extend the knee actively.Tibial nerve injury - unable to plantar flex the ankle or foot and no sensation over the sole and pa of calf. 