The effect of exercise on the intensity of low back pain in pregnant women

To investigate the effect of exercise during pregnancy on the intensity of low back pain and kinematics of spine. A prospective randomized study was deigned. 107 women participated in an exercise program three times a week during second half of pregnancy for 12 weeks and 105 as control group. All filled a questionnaire between 17–22 weeks of gestation and 12 weeks later for assessment of their back pain intensity. Lordosis and flexibility of spine were measured by Flexible ruler and Side bending test, respectively, at the same times. Weight gain during pregnancy, Pregnancy length and neonatal weight were recorded. Low back pain intensity was increased in the control group. The exercise group showed significant reduction in the intensity of low back pain after exercise ( p