@the.anatomy.hub2: How Lumbar Compression Triggers Sciatic Pain — Part 2 This medical animation explains how repeated pressure around the L4–L5 region can irritate the nerve roots that contribute to the sciatic nerve. As compression increases, pain and abnormal sensations may travel from the lower back through the buttock and down the leg. Educational content only. Not medical advice. #Sciatica #SciaticNerve #LumbarCompression #L4L5 #lowerbackpain