Conflict of interest: none.
Original Clinical Article
Version of Record online: 2 NOV 2010
Copyright © 2010 Wiley-Liss, Inc.
Neurourology and Urodynamics
Volume 30, Issue 1, pages 117–120, January 2011
How to Cite
Arab, A. M. and Chehrehrazi, M. (2011), The response of the abdominal muscles to pelvic floor muscle contraction in women with and without stress urinary incontinence using ultrasound imaging. Neurourol. Urodyn., 30: 117–120. doi: 10.1002/nau.20959
Heinz Koelbl led the review process.
- Issue online: 22 DEC 2010
- Version of Record online: 2 NOV 2010
- Manuscript Accepted: 18 MAY 2010
- Manuscript Received: 26 JAN 2010
- abdominal muscles;
- pelvic floor muscles;
- stress urinary incontinence
To investigate the changes in the thickness of the abdominal muscles; measured by ultrasound, in response to pelvic floor muscle (PFM) contraction in women with and without stress urinary incontinence (SUI).
A total of 20 non-pregnant female participated in the study. Subjects were categorized into two groups: continent females (N = 10) and females with SUI (N = 10). The change in the thickness of the right transverse abdominis muscle (TrAM) and internal oblique muscle (IOM) was measured with ultrasound imaging during PFM contraction in both groups.
There was an increase in thickness of the TrAM and IOM muscle during PFM contraction showing a co-contraction of the abdominals during PFM contraction both in women with and without SUI. No significant difference was found in the change in thickness of TrAM (P = 0.43) and IOM (P = 0.72) in response to PFM contraction between women with and without SUI. In overall, there was no statistical significant difference in co-contraction of abdominal muscles during PFM contraction between SUI women and healthy continent women.
It seems that co-activation of the abdominal muscles during PFM contraction exists in continent and stress incontinent women. Neurourol. Urodynam. 30:117–120, 2011. © 2010 Wiley-Liss, Inc.