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AUTONOMIC CONTROL OF HEART RATE AFTER EXERCISE IN TRAINED WRESTLERS

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Author(s): Carlos F Henríquez | Eduardo Báez | Astrid Von Oetinger | Rodrigo Cañas | Rodrigo Ramírez

Journal: Biology of Sport
ISSN 0860-021X

Volume: 30;
Issue: 2;
Start page: 111;
Date: 2013;
Original page

Keywords: Autonomic control. | Heart rate variability | heart rate recovery | parasympathetic reactivation

ABSTRACT
The objective of this study was to establish differences in vagal reactivation, through heart rate recovery and heart rate variability post exercise, in Brazilian jiu-jitsu wrestlers (BJJW). A total of 18 male athletes were evaluated, ten highly trained (HT) and eight moderately trained (MT), who performed a maximum incremental test. At the end of the exercise, the R-R intervals were recorded during the first minute of recovery. We calculated heart rate recovery (HRR60s), and performed linear and non-linear (standard deviation of instantaneous beat-to-beat R-R interval variability – SD1) analysis of heart rate variability (HRV), using the tachogram of the first minute of recovery divided into four segments of 15 s each (0-15 s, 15-30 s, 30-45 s, 45-60 s). Between HT and MT individuals, there were statistically significant differences in HRR60s (p

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