Strength and endurance of the pelvic floor muscles in continent women: An observational study

Quartly, Emma; Hallam, Taryn K.; Kilbreath, Sharon L.; Refshauge, Kathryn M.

doi:10.1016/j.physio.2010.02.008

Cited by 33 publications

(36 citation statements)

References 18 publications

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“…Two small cross-sectional studies evaluated the effect of age on pelvic floor muscles. Quarterly et al 19 evaluated muscle strength in a small group of community-dwelling women of variable parity, one-half of whom were ≥40 years old, and found no significant difference in strength based on age. Trowbridge et al 20 evaluated pelvic floor muscle strength in approximately 15 nulliparous women per decade of life who were 20—70 years old and found no difference in strength based on age.…”

Section: Commentmentioning

confidence: 99%

Longitudinal changes in pelvic floor muscle strength among parous women

Myer

Roem

Lovejoy

et al. 2018

American Journal of Obstetrics and Gynecology

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Section: Commentmentioning

confidence: 99%

Longitudinal changes in pelvic floor muscle strength among parous women

Myer

Roem

Lovejoy

et al. 2018

American Journal of Obstetrics and Gynecology

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“…However, we realize that in such protocols, the metabolic specificity of each muscle is not being considered, nor its structural differences, for choosing the best type of training or other kind of physical therapy practice. (Dumoulin & HaySmith, 2008;Marques et al, 2010;Piassarolli et al, 2010;Quartly et al, 2010;Börgermann et al, 2010). Thus, we understand the importance for further anatomicalmorphological and histochemical study of this region, in order to improve the focus of disease treatments.…”

Section: Introductionmentioning

confidence: 96%

Histochemical and Morphological Characteristics of the Levator Ani Muscle in Rats

et al. 2011

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SUMMARY:The current study aimed to analyze the histochemical and morphological characteristics of the levator ani muscle in rats. For this, we used 10 Wistar rats (5 males and 5 females), weighing between 200 and 765g. The animals were dissected fresh and in formalin for the levator ani muscle anatomical observation. Muscle fragments were collected and frozen in n-Hexane previously cooled in liquid nitrogen. Then, the muscles were transferred to a microtome cryostat (HM 505 E Microm), being fixed in metal mounts with the adhesive Tissue Freezing Medium. Histological sections of 6.0µm were removed and subjected to HE staining. Other sections were subjected to NADH-TR and SDH reactions. After being dissected and fixed, the architecture of the female pelvic floor revealed the presence of two muscles: iliocaudalis and pubocaudalis. The anatomical inspection in male rats revealed, pronouncedly, the presence of the levator ani muscle: ischiocavernosus and bulbocavernous. We therefore observed a marked anatomical difference between animals of the same species, which does not occur with humans. The HE staining revealed muscular fibers with preserved morphology, contours ranging from polygonal to rounded, acidophilic cytoplasm, one or more peripheral nuclei with rounded shape and dense chromatin aspect. The fibers were organized in fascicles arranged by a dense connective tissue, the perimysium, and each fiber surrounded by the endomysium, composed of loose connective tissue. The sections subjected to NADH-TH and SDH, whose reactions show the activity of oxidative or glycolytic muscle fibers, allowed the identification of the two types of fiber. The fast-twitch fiber shows weaker reactivity, whereas the slow-twitch fiber has small diameter and intense reactivity, especially in the subsarcolemmal, presenting a highly oxidative metabolism. It was found that the pelvic floor muscles in rats are composed primarily by fast-twitch fibers, while in humans they are predominantly formed by slow-twitch fibers. Thus, models with these animals and various kinds of protocols for muscular training should be used cautiously.

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“…A incontinência urinária é uma disfunção comum, que acomete de 9 a 72% das mulheres de 17 a 79 anos (16), que varia de acordo com a idade (17)(18)(19), o número de partos (18,20) o índice de massa corpórea (21,22).…”

Section: Disfunções Do Assoalho Pélvicounclassified

“…Estas são geralmente empregadas como (a) biofeedback da pressão da cavidade vaginal durante o tratamento (43), (b) ferramenta diagnóstica da pressão para diferenciar grupos de pacientes (continentes e incontinentes) (18,44), (c) resposta do sucesso ou não da terapia utilizada (45). Apesar de aparentemente correspondentes e serem ainda usadas na literatura sem distinção apropriada, a dinamometria é uma ferramenta mais sensível, precisa, direta e específica que a perineometria.…”

Section: Avaliação Do Assoalho Pélvicounclassified

Análise da distribuição multivetorial de cargas do assoalho pélvico feminino em diferentes populações

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Strength and endurance of the pelvic floor muscles in continent women: An observational study

Cited by 33 publications

References 18 publications

Longitudinal changes in pelvic floor muscle strength among parous women

Longitudinal changes in pelvic floor muscle strength among parous women

Histochemical and Morphological Characteristics of the Levator Ani Muscle in Rats

Análise da distribuição multivetorial de cargas do assoalho pélvico feminino em diferentes populações

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