ELIZABETH ALVES GONCALVES FERREIRA

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Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional, Faculdade de Medicina - Docente
LIM/58 - Laboratório de Ginecologia Estrutural e Molecular, Hospital das Clínicas, Faculdade de Medicina

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  • article 0 Citação(ões) na Scopus
    Electromyographic activity of pelvic floor muscles in different positions during the use an innovative vaginal educator: Cross-sectional study
    (2024) DUARTE, Natalia de Souza; AZEVEDO, Yury Souza De; FURTADO, Emilly Cassia Soares; ARAUJO, Lorena Jarid Freire De; BENDELACK, Rayanne Mesquita; RODRIGUES, Cibele Nazare Camara; ARAUJO, Nazete dos Santos; NEVES, Pablo Fabiano Moura das; SOARES, Ana Clara Nunes; BARROS, Rayana Carvalho; SANTOS, Tainah Lacerda; NUNES, Erica Feio Carneiro; FERREIRA, Elizabeth Alves Goncalves; CALLEGARI, Bianca; MELO-NETO, Joao Simao de
    The pelvic floor requires an integrated anatomical structure owing to its multiple functions. Therefore, it is necessary to study methods for improving muscle recruitment during training. This study aimed to analyze the effect of using an innovative vaginal trainer on the bioelectrical activity of the pelvic floor muscles. Pelvic positioning and interference factors, such as age, childbirth, sexual activity, urinary incontinence, and menopause, were also analyzed. A cross-sectional study assessed 30 women using an evaluation form, International Consultation on Incontinence Questionnaire-Short Form, and surface electromyography. The root mean square of a 5-second contraction period, peak root mean square values, area values, % maximal voluntary contraction (root mean square normalized by peak signal), and median frequency were collected. These findings with and without the use of a vaginal educator were compared in the anteversion, neutral, and retroversion pelvic positions. The use of a vaginal educator was found to increase the electromyographic activity of the pelvic floor muscles in the neutral position. In this position, older women showed an increased peak contraction when using the educator. Multiparas also benefited from increased bioelectric activity (root mean square and area). Sexually active women increased their bioelectric activity in a neutral position when using the trainer, exerting less effort in retroversion (%-maximal voluntary contraction). Incontinent and menopausal women exhibited slower body-building activation (decreased frequency) with the device, which requires further investigation. Our innovative biofeedback device induced greater recruitment of muscle fibers, is more effective in the neutral pelvic position, and may be effective in training the pelvic floor muscles, even in women with a greater tendency toward pelvic floor dysfunction.