Progressive Changes in Lumbopelvic Alignment during the Three Month-Postpartum Recovery Period

Mako Fukano*, Kozo Aisaka, Sayaka Nose-Ogura, Tomoyuki Fujii, Suguru Torii

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Pregnancy-related lumbopelvic pain is a common musculoskeletal problem, and postural changes are believed to be involved in these disorders. However, the lumbopelvic alignment changes in postpartum women remain unclear. This study aimed to determine whether there are changes in lumbopelvic alignment following vaginal or cesarean delivery and when these alignment changes occur after delivery. Thirty postpartum females (PP group) and 20 nulliparous female con-trols (CTL group) underwent anteroposterior, lateral pelvic, and lower-back X-ray in a static upright position. Digital radiographic images were analyzed and three radiographic variables, the pelvic incidence, pubic symphysis width, and sacral slope, were measured. The pubic symphysis width of the PP group was significantly larger immediately and one month after childbirth (PP group: 6.0 ± 1.1 mm (immediately), 5.0 ± 1.2 mm (one month); CTL group: 3.4 ± 0.4 mm; F = 31.79, p < 0.001). The sacrum slope in the PP group was significantly larger than in the CTL group 1 month after childbirth (PP group: 39.9 ± 6.6°; CTL group: 32.8 ± 5.1°; F = 2.59, p = 0.05). A two-way analysis of variance indicated no statistically significant main effects or interaction effects between the delivery modes on the pubic symphysis width or the sacrum slope. This study suggested that the course of lum-bopelvic alignment progressed towards recovery for at least one month, and that these changes were independent of the delivery method.

Original languageEnglish
Article number5807
JournalInternational journal of environmental research and public health
Volume19
Issue number10
DOIs
Publication statusPublished - 2022 May 1

Keywords

  • cesarean delivery
  • lumbopelvic alignment
  • lumbopelvic pain
  • postpartum
  • vaginal delivery
  • X-ray image

ASJC Scopus subject areas

  • Pollution
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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