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Acute hematological changes in Jiu Jitsu athletes
(2015) Agricola, Nestor Persio Alvim; Guillo, Lidia Andreu
Abstract This study deals with acute changes in hematological parameters in athletes of the brazilian fight Jiu Jitsu. The aim is to discuss the variations of these parameters in athletes who underwent some training in two different levels of intensity in order to identify the effects of this kind of sport, in what relates to effort intensity features in the organism, and also analyze the possibilities in what has to do with human health. Fourteen volunteers participated in this study, athletes with at least 2 years of practice in this type of fight and competitors. The athletes were monitored for over 2 months in their training routine. Blood samples were collected formerly and immediately after the training sessions in two specific moments, the first collection happened right next to one of the team target competitions and the second collection in post competition period. There was a statistically significant increase in total leukocytes and platelets (both months), neutrophils (month #1), lymphocytes and monocytes (month #2) and significant decrease in eosinophils (both months). The changes induced by exercising in a state of organic homeostasis don’t seem to affect the red series, acutely. However, the white series is largely affected by physical effort, and its magnitude keeps depending on the intensity of effort and the modality of fight.