Evaluation of Pelvic Floor Muscle Strength Using Four Different Techniques |
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Authors: | U M Peschers A Gingelmaier K Jundt B Leib T Dimpfl |
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Institution: | (1) I. Frauenklinik, Ludwig-Maximilians-Universitaet, Munich, Germany, DE |
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Abstract: | The aim of the study was to evaluate whether four different techniques were able to correctly measure pelvic floor muscle
strength only. Sixteen volunteers performed a set of muscle contractions using the pelvic floor muscles (PFM) only, the abdominal
muscles with and without PFM, gluteal muscles with and without PFM, adductor muscles with and without PFM and Valsalva maneuver
with and without PFM. Pelvic floor muscle strength was evaluated by digital palpation, intravaginal EMG, pressure perineometry
and perineal ultrasound. A “non-pelvic muscle induced” reading was defined as a significant increase even though the pelvic
floor muscles were not contracted. Results were as follows: isolated abdominal muscle contraction: non-pelvic muscle induced
readings in 3/8 women with EMG and in 3/8 with pressure perineometry; isolated gluteal muscle contraction: non-pelvic muscle
induced readings in 1/2 women with EMG perineometry; isolated adductor muscle contraction: non-pelvic muscle induced readings
in 6/11 women with EMG perineometry and in 2/11 women with pressure perineometry; Valsalva maneuver: non-pelvic muscle induced
readings in 4/9 women with EMG perineometry and 9/9 women with pressure perineometry. It was concluded that EMG and pressure
perineometry do not selectively depict pelvic floor muscle activity. |
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Keywords: | :Pelvic floor – Perineal ultrasound – Perineometry |
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