Assessment of pelvic floor of women runners by three-dimensional ultrasonography and surface electromyography. A pilot study.

Assessment of pelvic floor of women runners by three-dimensional ultrasonography and surface electromyography. A pilot study.

Author Araujo Junior, Edward Autor UNIFESP Google Scholar
Katalin Jarmy-Di Bella, Zsuzsanna Ilona Autor UNIFESP Google Scholar
Zanetti, Míriam Raquel Diniz Autor UNIFESP Google Scholar
Araujo, Maita Poli Autor UNIFESP Google Scholar
Petricelli, Carla Dellabarba Autor UNIFESP Google Scholar
Martins, Wellington de Paula Autor UNIFESP Google Scholar
Alexandre, Sandra Maria Autor UNIFESP Google Scholar
Nakamura, Mary Uchiyama Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Abstract Aim: To evaluate female runners' pelvic floor muscles using three-dimensional ultrasonography (3DUS) and surface electromyography (SEMG). Material and methods: A cross-sectional study was conducted on 24 female runners. SEMG was performed using surface electrodes inserted in the vagina. 3DUS was performed using perineal convex transducer. SEMG was evaluated at rest and with maximum voluntary contraction (MVC) and slow contraction. Levator ani muscle thickness, levator hiatus area and the angle between the levator muscles at rest and with MVC and Valsalva were evaluated using 3DUS. The women were divided into two groups (women running <= 25 km/week; women running > 25 km/week). Means, standard deviations and non-paired t tests were used for both groups. Results: Among the 24 women, 11 ran <= 25 km/week (16.91 +/- 4.13 km/week) and 13 ran > 25 km/week (40.77 +/- 1.15 km/week). The mean SEMG at rest and with MVC and slow contraction were 16.25, 65.86 and 71.41 mV, respectively. For the levator hiatus area at rest and with MVC and Valsalva, the means were 12.54, 10.06 and 16.57 cm2, respectively. Correlations between 3DUS and SEMG showed significant differences in SEMG at rest and levator thickness with Valsalva (r = 0.46; p = 0.04). Conclusions: 3DUS and SEMG are two feasible methods for evaluating female runners' pelvic floor. Correlations between 3DUS and SEMG showed significant differences in SEMG at rest and levator thickness with Valsalva.
Keywords pelvic floor
women runners
three-dimensional ultrasound
surface electromyography.
Language English
Date 2014-03-01
Published in Medical Ultrasonography. Cluj-napoca: Soc Romana Ultrasonografe Medicina Biologie-srumb, v. 16, n. 1, p. 21-26, 2014.
ISSN 1844-4172 (Sherpa/Romeo, impact factor)
Publisher Soc Romana Ultrasonografe Medicina Biologie-srumb
Extent 21-26
Origin http://dx.doi.org/10.11152/mu.2014.2066.161.eaj1zik2
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000334024300005
URI http://repositorio.unifesp.br/11600/44879

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