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Revista Andaluza de Medicina del Deporte
versión On-line ISSN 2172-5063versión impresa ISSN 1888-7546
Resumen
COSWIG, V. S; NEVES, A. H. S. y DEL VECCHIO, F. B.. Effects of duration practice in biochemical, hormonal and hematological parameters of people who practice brazilian jiu-jitsu. Rev Andal Med Deporte [online]. 2013, vol.6, n.1, pp.17-23. ISSN 2172-5063.
Objectives. This study aimed to quantify biochemical, hormonal and hematological profile of beginner and experienced athletes in brazilian jiu-jitsu (BJJ). Methods. In this study participated 16 adult men, divided into three groups: beginners (INI, n = 4), experienced (EXP, n = 4) and control (CON, n = 8), with differences in practice duration among the groups of 5,05 ± 0,7 years (INI = 1,95 ± 1,5 years versus EXP = 7,0 ± 0,8 years). Results. It has been observed discrete hematological difference, only associated to counting and to percentage of eosinophils number INI in comparison to the others (p < 0,05). Magnesium concentration was higher in the EXP than CON (1,96 ± 0,09 mg/dL versus 1,75 ± 0,11 mg/dL; p = 0,03), occurring the same for creatinine (1,09 ± 0,06 mg/dL versus 0,88 ± 0,06 mg/dL; p = 0,01). Besides that, the indexes of iron binding have presented differences between the EXP and CON, with INI showing intermediate scores. Finally, it were not observed variation of cortisol levels in the EXP (502,60 ± 162,42 nmol/L) and INI (427,15 ± 157,16 nmol/L), as well as for testosterone (EXP = 5,57 ± 0,75 ng/dL against INI = 6,43 ± 1,01 ng/dL). Conclusions. Based on the results, it can be inferred that chronic practice of BJJ could provoke alterations in the hematological, biochemical and hormonal conditions in their athletes.
Palabras clave : Hematology; Biochemistry; Martial arts; Blood physiological processes.