The effect of pelvic floor muscle training using a magnetic resonance image-based video clip in postpartum women

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  • Naito Kiyoko
    Department of Childhood Care, Faculty of Education Welfare, Biwako Gakuin University Doctoral Program Nursing Science, University of Tsukuba
  • Ninomiya Sanae
    Faculty of Nursing, Osaka Medical College
  • Morikawa Shigehiro
    Molecular Neuroscience Research Center, Shiga University of Medical Science
  • Endo Yoshihiro
    Department of Nursing, Shiga University of Medical Science
  • Okayama Hisayo
    Faculty of Medicine, University of Tsukuba

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  • 磁気共鳴（MR）画像により作成した指導用動画を用いた産後女性に対する骨盤底筋体操の効果検証

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Abstract

The purpose of this study was to investigate the effect of pelvic floor muscle training (PFMT) in postpartum women using a magnetic resonance (MR) image-based video clip that can clearly confirm the elevation in the position of the bladder neck during voluntary contraction of pelvic floor muscles. Seventy-four women, who had vaginal delivery 3‒6 months earlier, were randomized into 3 groups: observation group without intervention (A), conventional PFMT group using a leaflet (B), and the group using an MR video clip (C). Women in groups B and C continued PFMT at home for 12 weeks after receiving instructions concerning the PFMT. We compared the maximum force and duration of contraction of the pelvic floor muscles, measured using an external biofeedback device, before and after the 12-week intervention. The maximum force and duration of contraction were significantly increased in three groups after the intervention. Moreover, the maximum contraction force in group C was significantly stronger than that in groups A and B (P<0.001 in both groups). The MR video clip might be a useful instructive tool for PFMT.

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