<prompt> Ankle reflex nerve root:L4L5S1S2  <response>: Nerve Root Muscle group used for motor grading in ASIA system Reflex C5 Elbow flexion Biceps, Brachialis Biceps C6 Wrist extension extensor carpi radialis longus and brevis Brachioradialis C7 Elbow extensor triceps Triceps C8 Finger flexors flexor digitorum profundus L3 Knee extensor quadriceps knee S1 Ankle plantar flexors gastrocnemius and soleusFHL Flexor Hallucis Longus ankle reflex 