2011
DOI: 10.1589/jpts.23.757
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Pregnancy Inter-Recti Abdominis Distance Has No Impact on Respiratory Strength

Abstract: This study compared the association between the Inter-Recti Abdominis Distance (IRD) and respiratory muscle strength in primiparous women and determined the prevalence of IRD rise in primiparous compared to nulliparous women. [Subjects] One hundred and twenty pregnant women and forty non-pregnant women participated in this study. IRD was measured by a digital caliper 4.5 cm above and below the umbilicus, as well as at the umbilical level. Respiratory strength was measured as maximum inspiratory (PImax) and exp… Show more

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Cited by 5 publications
(7 citation statements)
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References 25 publications
(31 reference statements)
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“…We hypothesize that the increase of uterine size could influence the performance of the tests being the women heavier at the 34 th week of pregnancy, and therefore more uncomfortable during the tests [53]. In this regard, other studies using the squat test (similar to the chair stand test) already found a reduction in the ability to perform the test in later stages of pregnancy [54,55]. Regarding the values for CRF, some hypotheses that could explain the low values obtained in the present study sample are: i) the use of submaximal tests, that estimate the effort based on the heart rate; and ii) the usual false belief that women should not exercise when they are pregnant, that seems to be more evident at late gestation, this may limit women to try harder in the tests [56] iii) later in pregnancy women already have an increased resting heart rate, which can influence results [2,57], iv) due to the increased weight, women are also moving at a higher energy cost later in pregnancy relative to a similar treadmill earlier in pregnancy; they will have a higher rate of perceived exertion later in pregnancy and, thus, want to stop the treadmill test earlier when they are further along in pregnancy [58].…”
Section: Association Of Maternal Physical-fitness Measures With Umbilmentioning
confidence: 96%
“…We hypothesize that the increase of uterine size could influence the performance of the tests being the women heavier at the 34 th week of pregnancy, and therefore more uncomfortable during the tests [53]. In this regard, other studies using the squat test (similar to the chair stand test) already found a reduction in the ability to perform the test in later stages of pregnancy [54,55]. Regarding the values for CRF, some hypotheses that could explain the low values obtained in the present study sample are: i) the use of submaximal tests, that estimate the effort based on the heart rate; and ii) the usual false belief that women should not exercise when they are pregnant, that seems to be more evident at late gestation, this may limit women to try harder in the tests [56] iii) later in pregnancy women already have an increased resting heart rate, which can influence results [2,57], iv) due to the increased weight, women are also moving at a higher energy cost later in pregnancy relative to a similar treadmill earlier in pregnancy; they will have a higher rate of perceived exertion later in pregnancy and, thus, want to stop the treadmill test earlier when they are further along in pregnancy [58].…”
Section: Association Of Maternal Physical-fitness Measures With Umbilmentioning
confidence: 96%
“…[1][2][3] Alguns fatores podem ser considerados predisponentes para o afastamento entre os MRA tais como gestações múltiplas, multiparidade, polihidrâmnio, macrossomia fetal e flacidez da musculatura abdominal pré-gravídica. 1,[4][5][6][7][8][9][10] Mas, na literatura, existem divergências em relação à definição deste afastamento, tornando sua epidemiologia e fatores associados questionáveis. Alguns autores consideram qualquer afastamento entre os MRA, 7 outros consideram como um afastamento superior a 2 cm 10 ou 3 cm.…”
Section: Introductionunclassified
“…Alguns autores consideram qualquer afastamento entre os MRA, 7 outros consideram como um afastamento superior a 2 cm 10 ou 3 cm. [1][2][3] Assim, dependendo do critério utilizado para avaliação, a DMRA pode ocorrer em 66,0% das mulheres durante a gestação 4,6,11,12 e de 36,0 a 100,0% no pós-parto imediato. 7,8,[12][13][14] É mais facilmente percebida a partir do segundo trimestre da gestação, podendo ser uma situação transitória 5,15 ou permanente no pós-parto.…”
Section: Introductionunclassified
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