Herniation	Nerve root affected	Sensory loss	Motor weakness	Screening examination	Reflex
L3-L4 disk	L4	Medial foot	Knee extension	Squat and rise	Patellar
L4-L5 disk	L5	Dorsal foot	Dorsiflexion ankle/great toe	Heel walking	None
L5-S1 disk	S1	Lateral foot	Plantarflexion ankle/toes	Walking on toes	Achilles