Symptoms of sciatica in the proximal leg, which include a deep and cramp-like pain, should be separated from pain in the middle of the buttock, which is indicative of root interference caused by root tension, root irritation or root compression.

• 这个部位的坐骨神经痛症状，是一种深在的绞痛，应该和臀部中心的疼痛区分开，它预示着由于神经根牵张、刺激或受压引起的神经根障碍。