2011
DOI: 10.1590/s1807-55092011000200004
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Perda de eletrólitos durante uma competição de duatlo terrestre no calor

Abstract: Eventos esportivos prolongados, como o duatlo (6 km corrida, 26 km ciclismo e 4 km corrida) podem levar o atleta a um desequilíbrio hidroeletrolítico, devido a perdas elevadas de suor, em especial se realizados no calor. O presente estudo avaliou as perdas de sódio (Na+), potássio (K+) e cloreto (Cl-) durante uma competição de duatlo realizada no calor (31,2 °C e 51% de umidade relativa do ar), analisando a composição do suor e os níveis sanguíneos destes eletrólitos. Doze atletas fizeram parte deste estudo. C… Show more

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Cited by 1 publication
(4 citation statements)
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“…In our study, despite the ad libitum fluid intake by participants during exercise, there was a high prevalence of post-exercise dehydration according to this parameter. Similar results have been found in studies with triathletes (2,12,19) . In addition, studies where the amount of fluid intake was restricted, it was also observed a loss of body mass by dehydration higher than 2% in amateur sports athletes (22) and indoor tennis players (13) .…”
Section: Discussionsupporting
confidence: 91%
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“…In our study, despite the ad libitum fluid intake by participants during exercise, there was a high prevalence of post-exercise dehydration according to this parameter. Similar results have been found in studies with triathletes (2,12,19) . In addition, studies where the amount of fluid intake was restricted, it was also observed a loss of body mass by dehydration higher than 2% in amateur sports athletes (22) and indoor tennis players (13) .…”
Section: Discussionsupporting
confidence: 91%
“…The result was used to calculate hydration status (%) based on the loss of body mass, using the equation: %BW = (∆BW*100)/pre-exercise body weight. Rowers were classified as "dehydrated" when they presented a reduction >2% body weight (2) . Sweating rate (L.h We used the software IBM SPSS Statistics version 20 for the analyses, and the significance level was set at 5%.…”
Section: Body Mass and Sweating Ratementioning
confidence: 99%
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