梨状肌紧张导致坐骨神经痛

animation showing the human pelvis with the piriformis muscle highlighted in red between the pelvic bones and the upper thigh bone. The sciatic nerve is displayed in yellow passing beneath the muscle. The visualization explains how tension or tightness in the piriformis muscle can compress the sciatic nerve and lead to pain in the lower back, hip, or leg. Suitable for medical education, anatomy learning, and awareness of piriformis syndrome and sciatica.