<prompt> Root value of ankle jerk -L3L4L4L5S1S2SS4  <response>: Ans. is C1 i.e., SS2 Deep tendon reflexRoot valueBiceps JerkC3C6Supinator reflex BrachioradialisC5C6Triceps JerkC7C8Knee JerkL3L4Ankle JerkS1S2 