{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T16:05:37Z","timestamp":1778083537598,"version":"3.51.4"},"reference-count":51,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2024,7,17]],"date-time":"2024-07-17T00:00:00Z","timestamp":1721174400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Amazon Foundation for Studies and Research (FAPESPA)","award":["001\/2017"],"award-info":[{"award-number":["001\/2017"]}]},{"name":"Amazon Foundation for Studies and Research (FAPESPA)","award":["02\/2021"],"award-info":[{"award-number":["02\/2021"]}]},{"name":"Santa Casa de Miseric\u00f3rdia do Par\u00e1 Foundation (FSCMPA)","award":["001\/2017"],"award-info":[{"award-number":["001\/2017"]}]},{"name":"Santa Casa de Miseric\u00f3rdia do Par\u00e1 Foundation (FSCMPA)","award":["02\/2021"],"award-info":[{"award-number":["02\/2021"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>During pregnancy, biomechanical changes are observed due to hormonal and physical modifications, which can lead to alterations in the curvature of the spine, balance, gait patterns, and functionality of the pelvic floor muscles. This study aimed to investigate the progressive impact of biomechanical changes that occur during gestational weeks on the myoelectric activity of the pelvic floor muscles, plantar contact area, and functional mobility of high-risk pregnant women. Methods: This was a cross-sectional observational study carried out from November 2022 to March 2023. A total of 62 pregnant women of different gestational ages with high-risk pregnancies were analyzed using surface electromyography to assess the functionality of the pelvic floor muscles, plantigraphy (Staheli index and plantar contact area), and an accelerometer and gyroscope using the timed up and go test via an inertial sensor on a smartphone. Descriptive statistics and multivariate linear regression analyses were carried out to test the predictive value of the signature. Results: Increasing weeks of gestation resulted in a decrease in the RMS value (\u03b2 = \u22120.306; t = \u22122.284; p = 0.026) according to the surface electromyography analyses. However, there was no association with plantar contact (F (4.50) = 0.697; p = 0.598; R2 = 0.53). With regard to functional mobility, increasing weeks of gestation resulted in a decrease in time to standing (\u03b2 = \u22120.613; t = \u22122.495; p = 0.016), time to go (\u03b2 = \u22120.513; t = \u22122.264; p = 0.028), and first gyrus peak (\u03b2 = \u22120.290; t = \u22122.168; p = 0.035). However, there was an increase in the time to come back (\u03b2 = 0.453; t = 2.321; p = 0.025) as the number of gestational weeks increased. Conclusions: Increased gestational age is associated with a reduction in pelvic floor myoelectric activity. The plantar contact area did not change over the weeks. Advancing gestation was accompanied by a decrease in time to standing, time to go, and first gyrus peak, as well as an increase in time to come back.<\/jats:p>","DOI":"10.3390\/s24144615","type":"journal-article","created":{"date-parts":[[2024,7,17]],"date-time":"2024-07-17T15:15:19Z","timestamp":1721229319000},"page":"4615","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Influence of Gestational Age on Pelvic Floor Muscle Activity, Plantar Contact, and Functional Mobility in High-Risk Pregnant Women: A Cross-Sectional Study"],"prefix":"10.3390","volume":"24","author":[{"given":"Emilly C\u00e1ssia Soares","family":"Furtado","sequence":"first","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"given":"Yury Souza De","family":"Azevedo","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2152-2871","authenticated-orcid":false,"given":"Deizyane dos Reis","family":"Galhardo","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7513-2962","authenticated-orcid":false,"given":"Iasmin Pereira Cabral","family":"Miranda","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"given":"Maria Eunice Chagas","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"given":"Pablo Fabiano Moura","family":"das Neves","sequence":"additional","affiliation":[{"name":"Santa Casa de Miseric\u00f3rdia Foundation of Par\u00e1, Bel\u00e9m 66055080, PA, Brazil"}]},{"given":"Lindinalva Brasil","family":"Monte","sequence":"additional","affiliation":[{"name":"Santa Casa de Miseric\u00f3rdia Foundation of Par\u00e1, Bel\u00e9m 66055080, PA, Brazil"}]},{"given":"Erica Feio","family":"Carneiro Nunes","sequence":"additional","affiliation":[{"name":"Department of Human Movement Sciences, State University of Par\u00e1, Bel\u00e9m 66087662, PA, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0678-0186","authenticated-orcid":false,"given":"Elizabeth Alves Gon\u00e7alves","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Faculty of Medicine FMUSP, University of S\u00e3o Paulo (USP), S\u00e3o Paulo 01246904, SP, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9151-3896","authenticated-orcid":false,"given":"Bianca","family":"Callegari","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4525-3971","authenticated-orcid":false,"given":"Givago da Silva","family":"Souza","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4681-8532","authenticated-orcid":false,"given":"Jo\u00e3o Sim\u00e3o","family":"de Melo-Neto","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Federal University of Par\u00e1 (UFPA), Bel\u00e9m 66075110, PA, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2024,7,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Conder, R., Zamani, R., and Akrami, M. 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