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Neurourol Urodyn. 2011 Jan;30(1):117-20. doi: 10.1002/nau.20959.

The response of the abdominal muscles to pelvic floor muscle contraction in women with and without stress urinary incontinence using ultrasound imaging.

Author information

1
Department of Physical Therapy, University of Social Welfare and Rehabilitation Sciences, Evin, Tehran, Iran. arabloo_masoud@hotmail.com

Abstract

AIMS:

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).

METHODS:

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.

RESULTS:

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.

CONCLUSION:

It seems that co-activation of the abdominal muscles during PFM contraction exists in continent and stress incontinent women.

PMID:
21046655
DOI:
10.1002/nau.20959
[Indexed for MEDLINE]

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