IMR Press / CEOG / Volume 43 / Issue 2 / DOI: 10.12891/ceog2078.2016

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 46 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Open Access Original Research
The relationship between the daily step counts and low back pain during pregnancy
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1 Department of Physical Therapy, Human Health Sciences, Kyoto University Graduate School of Medicine, Kyoto
2 Kishokai Medical Corporation, Nagoya
3 Japan Society for the Promotion of Science, Tokyo
4 Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tokyo (Japan)
Clin. Exp. Obstet. Gynecol. 2016, 43(2), 192–197;
Published: 10 April 2016

Purpose: To investigate the relationship between the change of daily step counts and low back pain (LBP) during pregnancy. Materials and Methods: Pregnant women at less than eight weeks of gestation (WG) were recruited. Daily step counts were measured with a pedometer. To assess LBP, the Oswestry disability index (ODI) score was recorded. Thirty-six individuals were divided into the LBP and non-LBP groups. The effect of step counts on LBP between the two groups was analyzed. Results: At 16–19 WG, step counts were not considerably changed in the non-LBP group but were significantly increased in the LBP group. At 24–27 and 32–35 WG, step counts were increased in the non-LBP group but were significantly decreased in the LBP group. Conclusions: Acute increase of daily step counts in early pregnancy is a risk for LBP, and gradual increases of step counts after mid-pregnancy is recommended for women.
Low back pain
Physical activity
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