Correlação entre as respostas agudas e subagudas das variáveis hemo-dinâmicas e autonômicas cardíaca após teste de esforço físico com suple-mento dietético termogênico em jovens treinados

Abstract

With the constant search for the perfect body and physical appearance, the need for a quick result is associated with the use of dietary supplements, such as thermogenic. Which are considered ergogenic aids, also known as fat metabolizers, which are converted into available energy thus providing weight reduction. To achieve these effects, these substances have some components in their composition, such as ephedrine, caffeine, taurine, ginseng and guarana, in addition to other pharmacological substances. However, these substances can have deleterious effects on various systems of the body, especially the cardiovascular. To correlate the acute use of thermogenic with the hemodynamic and cardiac autonomic responses in athletes after physical exertion test. Fifteen male gymnasts participated in this study. The sample group participants attended the study site (Academy) on three different occasions (on alternate days with a minimum interval of one week between them) to carry out the study at pre-scheduled times according to the availability of the participants. Anthropometric measurements and body composition, cardiac autonomic modulation before, during and after physical exertion test were evaluated. Athletes performing the exercise test in the presence of the thermogenic had a longer HR recovery time after physical exertion. Cardiac vagal reactivation behaved more reduced in the presence of the thermogenic. There was a negative and significant correlation between vagal modulation and HR after physical exertion. The acute supplementation of thermogenic delays the time of full vagal reactivation and, concomitantly, the HR recovery after physical effort test in strength training athletes.