The Overactive Pelvic Floor by Anna Padoa & Talli Y. Rosenbaum

Author:Anna Padoa & Talli Y. Rosenbaum
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

11.6.2 Myotonometer

A myotonometer (the MyotonPro™) is an instrument that has been used in skeletal muscle of the limbs to assess muscle tone [138–140]. This technology has been used recently for PFM assessment by applying pressures externally on the perineum [141, 142]. The device consists of a hand-held unit that is applied on the muscle at a predetermined level of pressure (preload). The device exerts mechanical impulses followed by release inducing damped oscillation on the muscle at rest. Several parameters can be extracted from the oscillation curve, such as muscle stiffness which corresponds to the variation of forces divided by displacement of the tissue [138–140]. Interrater reliability was found to be good to excellent (ICC = 0.70–0.86) for assessing perineal muscle stiffness in women with and without vulvodynia [141, 142]. Although it is a new instrument in the field of pelvic pain and it has not yet been published in peer-reviewed journals, its utilization for assessing global PFM tone (i.e., summative contribution of active and passive components) is promising.

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