Key result
Blind football athletes average ~90% of max HR during intermittent match play.
Why the study?
The intensity of effort of blind athletes in Football 5-a-side, especially in the Brazilian national team, had not been characterized during match simulations.
Observational (n=8)
No
Blind football 5-a-side athletes experience high intermittent intensity of effort, averaging 89.8% of HR max during match simulations.
High intermittent HR demands may guide cautious training in blind athletes; leaves open generalizability and cardiovascular implications beyond this cohort.
Introduction: Football 5-a-side is a sport played by blind athletes that takes part in the Paralympic Games since 2004. The Brazilian national team is currently considered the best team in the world in this sport. Objective: To analyze the variations of intensity of effort (average per position and group average) made by blind athletes of the Brazilian football 5-a-side national team during six matches simulations. Methods: The sample on this research is the intentional type, made with eight blind male players, ages ranging from 21 to 30 years old (23.8 ± 3.3), all of them part of the Brazilian Football 5-a-side National team, which played in the 2012 Paralympics Games in England. In was evaluated the VO2máx and the heart rate during six simulations of official matches. Results: The intensity of effort of the blind athletes of the Brazilian Football 5-a-side National Team is intermittent and remains 52.5 % of the total time of a match (50 minutes) with an intensity of effort between the zone 2 (between threshold ventilation and respiratory compensation point) and the zone 3 (above the respiratory compensation point) averaging 89.8 % of the HR max. Conclusion: The intensity of effort is greater than the Football of 11 and, that in the Futsal players.
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Souza et al. (2016) conducted an observational in Blind athletes (Football 5-a-side) (n=8). Football 5-a-side match simulations was evaluated on Intensity of effort (Heart Rate zones and % HR max). The intensity of effort of blind athletes in the Brazilian Football 5-a-side National Team is intermittent, remaining 52.5% of match time between zones 2 and 3, averaging 89.8% of maximum heart rate.
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