Disc level	Location of pain	Motor deficit
T12-L1	Pain in inguinal region and medial thigh	None
L1-2	Pain in anterior and medial aspect of upper thigh	Slight weakness in quadriceps; slightly diminished suprapatellar reflex
L2-3	Pain in anterolateral thigh	Weakened quadriceps; diminished patellar or suprapatellar reflex
L3-4	Pain in posterolateral thigh and anterior tibial area	Weakened quadriceps; diminished patellar reflex
L4-5	Pain in dorsum of foot	Extensor weakness of big toe and foot
L5-S1	Pain in lateral aspect of foot	Diminished or absent Achilles reflex