Far lateral lumbar disc herniation part 1: Imaging, neurophysiology and clinical features

Table 2 Clinical picture of postero-lateral and far-lateral herniations at different levels

Root	PLH level	FLH level	Pain/radiation/sensory involvement	Motor involvement	Deep tendon reflex	Radicular stretching test
L3	L2-L3	L3-L4	Anterior aspect of the tigh	Iliopsoas and/or quadriceps	Patellar	Femoral
L4	L3-L4	L4-L5	Anterior aspect of the tigh, medial malleolus and medial foot	Quadriceps and anterior compartment fo the leg	Patellar	Femoral
L5	L4-L5	L5-S1	Postero-lateral tigh and leg	Extensor hallucis longus and dorsiflexors	None	Lasègue
S1	L5-S1		Posterior thigh and leg, foot (plantar)	Triceps surae	Achilles	Lasègue

PLH: Postero-lateral herniations; FLH: Far-lateral herniations.