coccygodynia

例句：

1. 1. She had a severe case of sciatica after her accident.
   她在事故后患上了严重的坐骨神经痛。
2. 2.The doctor diagnosed her with sciatica due to her recent back injury.
   医生诊断她因最近背部受伤而患有坐骨神经痛。
3. 3. Sciatica can be caused by various factors including poor posture and improper lifting techniques.
   坐骨神经痛可以由多种因素引起，包括姿势不良和不当的提举技巧。