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Open AccessArticle

Cardio-Respiratory Endurance Responses Following a Simulated 3 × 3 Minutes Amateur Boxing Contest in Elite Level Boxers

1
Faculty of Physical Education, Mansoura University, Mansoura 35516, Egypt
2
Deanship of Preparatory Year, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
3
Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Am Neuen Palais 10, 14469 Potsdam, Germany
4
Research Unit (UR17JS01), Sport Performance, Health & Society Higher Institute of Sports and Physical Education of Ksar Said, University of La Manouba, Manouba 2010, Tunisia
*
Author to whom correspondence should be addressed.
Sports 2018, 6(4), 119; https://doi.org/10.3390/sports6040119
Received: 18 September 2018 / Revised: 9 October 2018 / Accepted: 12 October 2018 / Published: 15 October 2018
This study aimed at examining physiological responses (i.e., oxygen uptake [VO2] and heart rate [HR]) to a semi-contact 3 × 3-min format, amateur boxing combat simulation in elite level male boxers. Eleven boxers aged 21.4 ± 2.1 years (body height 173.4 ± 3.7, body mass 74.9 ± 8.6 kg, body fat 12.1 ± 1.9, training experience 5.7 ± 1.3 years) volunteered to participate in this study. They performed a maximal graded aerobic test on a motor-driven treadmill to determine maximum oxygen uptake (VO2max), oxygen uptake (VO2AT) and heart rate (HRAT) at the anaerobic threshold, and maximal heart rate (HRmax). Additionally, VO2 and peak HR (HRpeak) were recorded following each boxing round. Results showed no significant differences between VO2max values derived from the treadmill running test and VO2 outcomes of the simulated boxing contest (p > 0.05, d = 0.02 to 0.39). However, HRmax and HRpeak recorded from the treadmill running test and the simulated amateur boxing contest, respectively, displayed significant differences regardless of the boxing round (p < 0.01, d = 1.60 to 3.00). In terms of VO2 outcomes during the simulated contest, no significant between-round differences were observed (p = 0.19, d = 0.17 to 0.73). Irrespective of the boxing round, the recorded VO2 was >90% of the VO2max. Likewise, HRpeak observed across the three boxing rounds were ≥90% of the HRmax. In summary, the simulated 3 × 3-min amateur boxing contest is highly demanding from a physiological standpoint. Thus, coaches are advised to systematically monitor internal training load for instance through rating of perceived exertion to optimize training-related adaptations and to prevent boxers from overreaching and/or overtraining. View Full-Text
Keywords: aerobic metabolism; physiological strain; striking combat sports; elite athletes aerobic metabolism; physiological strain; striking combat sports; elite athletes
MDPI and ACS Style

El-Ashker, S.; Chaabene, H.; Negra, Y.; Prieske, O.; Granacher, U. Cardio-Respiratory Endurance Responses Following a Simulated 3 × 3 Minutes Amateur Boxing Contest in Elite Level Boxers. Sports 2018, 6, 119.

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