@health.coach016: L4–L5 vs. L5–S1: Which Disc Causes More pain What is causing your lower-back pain? At L4–L5 and L5–S1, disc problems can affect different nerve roots and produce pain, tingling, numbness or weakness in the leg. An MRI finding does not always explain someone’s pain. Symptoms, physical examination and imaging must be considered together. For educational purposes only. Not medical advice. #LowerBackPain #LumbarSpine #HerniatedDisc #sciatica #MedicalAnimation