Alterações hormonais da mulher atleta

Pardini, Dolores

doi:10.1590/s0004-27302001000400006

Cited by 25 publications

(35 citation statements)

References 43 publications

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“…According to authors, prolonged sub maximal exercise sessions causes the T4 remains 35% higher than the resting levels after an initial peak at the beginning of the exercise and T3 levels tend to increase as well. Already according to another author, there is greater deionization of T3 during exercise, however serum levels do not change [7,8].…”

Section: Thyroid Disorders In Athletesmentioning

confidence: 99%

Physiological changes of Exercise of Thermogenesis, Thyroid Homeostasis and Inflammations

Arkader¹

2017

EMIJ

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The human body when subjected to heavy loads of physical training suffers numerous modifications to adapt to stress in which the body is subjected. Various systems are affected directly and indirectly, we can mention the cardio respiratory system as the one that suffers most modifications when we are facing an intense physical load. Another system to modify and in which we will explain in this paper is the endocrine system, specifically the thyroid gland who suffers some changes. This paper aims to demonstrate and exemplify the changes in the thyroid gland during physical activity, such as the release of pro-and anti-inflammatory cytokines, and the alteration occurred in the release of thyroid hormones. All these changes suffer direct influence on the athlete's performance being a limiting factor for a good performance. Through this paper we exemplify the changes that occurred in the thyroid gland during exercise in order to seek an intervention for these transformations, aiming ultimately a good performance of the athlete.

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Section: Thyroid Disorders In Athletesmentioning

confidence: 99%

Physiological changes of Exercise of Thermogenesis, Thyroid Homeostasis and Inflammations

Arkader¹

2017

EMIJ

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“…Mastalgia tem sido atribuída a níveis alterados de prolactina, que alguns advogam ser a causa da SPM e sua secreção parece aumentada com o exercício físico (7,26) . Embora estudos indiquem que a secreção de prolactina aumente agudamente com o exercício, esta diminui após treinamento intenso e prolongado (27) .…”

Section: Referências Bibliográficasunclassified

“…Uma questão importante quando estudamos a mulher atleta diz respeito a possíveis alterações hormonais, portanto, alterações menstruais, como: amenorreia, oligomenorreia e anovolução, decorrentes de esquemas de treinamento mal-orientados e exercícios em volume inadequado (6,7) . Embora existam muitos estudos correlacionando o exercício e as alterações menstruais, são poucos os que avaliam o quanto as diferentes fases do ciclo menstrual interferem no desempenho feminino, especialmente se levarmos em conta que as respostas fisiológicas da mulher sofrem alterações ao longo do ciclo hormonal.…”

Section: Introductionunclassified

Incidência da sindrome pré-menstrual na prática de esportes

David

Bella

Berenstein

et al. 2009

Rev Bras Med Esporte

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rEsUMoApesar do grande aumento do número de mulheres no esporte, é escassa a literatura sobre aspectos anatômicos, psicológicos e principalmente hormonais que afetam o desempenho das mulheres praticantes de exercício físico. Embora existam muitas pesquisas relatando como o exercício afeta a menstruação, são poucos os estudos de como o ciclo menstrual interfere no desempenho feminino. A maioria dos estudos cita a relação do desempenho e o ciclo menstrual, mas não leva em consideração as alterações do ciclo, as moléstias perimenstruais (MPM) (1) . Objetivo: Observar a incidência e a frequên-cia dos sintomas da síndrome pré-menstrual em atletas. Casuística e Métodos: Em 31 atletas de handebol em idade fértil foi aplicado um diário de sintomas pré-menstruais (2) por um período de três meses consecutivos. Resultados: A prevalência de SPM em atletas foi de 71%, sendo o sintoma mais relatado o de irritabilidade, em 86,4% das atletas, seguidos de mudanças de humor (77,3%) e cólicas (72,7%); 59% das atletas indicaram algum outro sintoma no período pré-menstrual. Conclusões: Observou-se alta prevalência de SPM em atletas.palavras-chave: ciclo menstrual, exercício físico, atletas, síndrome pré-menstrual. aBstraCtDespite the increasing number of women who practice physical exercise, there are still few reports concerned with anatomy, psychology and mainly hormones that could affect their performance. Although there is a multitude of articles about the effects of physical exercise in menstruation, only a few of them report how this function interferes in women's performance. The association physical exercise -menstruation has been studied but without considering the changes during the cycle, the perimenstrual symptoms. Therefore, the aim of this article was to investigate the incidence and periodicity of pre-menstrual symptoms in athletes. A daily questionnaire was applied with the aim to follow the pre-menstrual symptoms during a period of 3 consecutive months. The population of the study was composed by 31 female athletes in fertile age. Results: The prevalence of PMS in athletes was of 71% and the mainly reported symptoms were irritability (86.5%), mood swings (77.3%) and cramps (72.7%). Other symptoms were reported by 59% of the athletes during the pre-menstrual period. Conclusion: Our data show a high prevalence of PMS among athletes.Keywords: menstrual cycle, physical exercise, athletes, pre-menstrual syndrome. introdUÇÃoA inserção das mulheres brasileiras no mundo do esporte data de meados do século XIX. No entanto, é a partir das primeiras décadas do século XX que a participação se amplia, adquirindo maior visibilidade, juntamente com os ecos das lutas femininas vindos da Europa (3) .Os benefícios da atividade física são comprovados em ambos os sexos, porém, a mulher apresenta aspectos próprios que incluem variações no perfil hormonal, incidência de afecções próprias ao gênero, além das respostas fisiológicas e orgânicas ao exercício (4) .Existem diferenças entre os sexos quanto à fisiologia do exercício, mesmo antes...

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“…Low percentage of fat, when combined with intense training, may lead to hypothalamic alterations which interfere in the release of the female sexual hormones. As a result, alterations in the menstrual cycle of the athlete may be identified, which lead to longer periodicity (oligomenorrhea) or absence of the menstrual cycle (amenorrhea) 5 . Total body fat is directly related to the ovarian production of estrogen 6 .…”

Section: Introductionmentioning

confidence: 99%

“…Total body fat is directly related to the ovarian production of estrogen 6 . However, with exposure to restrictive diets, the body fat designated to the production of estrogen is redirected to the production of energy, causing irregularities in the estrogen synthesis and consequently, alterations in the menstrual cycle 5 . The aim of this study was to estimate the prevalence of menstrual dysfunctions and identify if body composition -especially body fat -and training are factors associated with these dysfunctions in Brazilian adolescent competitive swimmers.…”

Section: Introductionmentioning

confidence: 99%

A idade do início do treinamento, e não a composição corporal, está associada com disfunções menstruais em nadadoras adolescentes competitivas

Schtscherbyna

Barreto

Oliveira

et al. 2012

Rev Bras Med Esporte

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Introduction: In sports, an athletic body type with low body fat is the most desired. Objective: To estimate the prevalence of menstrual dysfunctions and identify if body composition, especially body fat and training are associated factors of menstrual dysfunctions in Brazilian adolescent competitive swimmers. Methods: The sample consisted of 78 female athletes, 11 -19-year olds, from the city of Rio de Janeiro. The presence of menstrual dysfunction and training were assessed through a validated questionnaire. Body composition was measured by DXA. Statistical analyses were conducted using SPSS 17.0. Results: The athletes' mean age was 14.6 ± 0.2 years. Concerning the post-menarcheal athletes, 26.3% met the criteria for menstrual irregularity. Oligomenorrheic athletes started training younger than eumenorrheic ones (5.7 ± 3.1 years versus 7.3 ± 2.4 years, p=0.04), but there was no difference in relation to body composition (total body mass and body fat: 56.1 ± 6.5 kg and 26.3% ± 4.9 versus 53.3 ± 6.9 kg and 25.5 ± 6.5%, respectively). Conclusion: Age of onset of training rather than body composition is associated with menstrual dysfunctions in Brazilian competitive adolescent swimmers.

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Alterações hormonais da mulher atleta

Cited by 25 publications

References 43 publications

Physiological changes of Exercise of Thermogenesis, Thyroid Homeostasis and Inflammations

Physiological changes of Exercise of Thermogenesis, Thyroid Homeostasis and Inflammations

Incidência da sindrome pré-menstrual na prática de esportes

A idade do início do treinamento, e não a composição corporal, está associada com disfunções menstruais em nadadoras adolescentes competitivas

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