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J Phys Ther Sci. 2016 Jan;28(2):467-72. doi: 10.1589/jpts.28.467. Epub 2016 Feb 29.

Comparison of changes in the mobility of the pelvic floor muscle on during the abdominal drawing-in maneuver, maximal expiration, and pelvic floor muscle maximal contraction.

Journal of physical therapy science

Halim Jung, Sangwoo Jung, Sunghee Joo, Changho Song

Affiliations

  1. Department of Physical Therapy, Sahmyook University, Republic of Korea.

PMID: 27065532 PMCID: PMC4792992 DOI: 10.1589/jpts.28.467

Abstract

[Purpose] The purpose of this study was to compare changes in the mobility of the pelvic floor muscle during the abdominal drawing-in maneuver, maximal expiration, and pelvic floor muscle maximal contraction. [Subjects] Thirty healthy adults participated in this study (15 men and 15 women). [Methods] All participants performed a bridge exercise and abdominal curl-up during the abdominal drawing-in maneuver, maximal expiration, and pelvic floor muscle maximal contraction. Pelvic floor mobility was evaluated as the distance from the bladder base using ultrasound. [Results] According to exercise method, bridge exercise and abdominal curl-ups led to significantly different pelvic floor mobility. The pelvic floor muscle was elevated during the abdominal drawing-in maneuver and descended during maximal expiration. Finally, pelvic floor muscle mobility was greater during abdominal curl-up than during the bridge exercise. [Conclusion] According to these results, the abdominal drawing-in maneuver induced pelvic floor muscle contraction, and pelvic floor muscle contraction was greater during the abdominal curl-up than during the bridge exercise.

Keywords: Abdominal drawing-in maneuver; Pelvic floor muscle; Ultrasound imaging

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