lumbar curvature

例句：

1. 1.The patient's lumbar curvature was measured to be within normal limits.
   患者的腰椎曲度测量结果显示在正常范围内。
2. 2. The doctor advised him to exercise regularly to maintain his lumbar curvature.
   医生建议他定期锻炼以保持腰椎曲度。
3. 3. The elderly woman had a lumbar curvature due to her age and lack of exercise.
   这位老年妇女由于年龄和缺乏锻炼而患有腰椎曲度。