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Article

Impact of Active and Passive Hypoxia as Re-Warm-Up Activities on Rugby Players’ Performance

1
Faculty of Sports, UCAM, Catholic University San Antonio, 30107 Murcia, Spain
2
Departamento de Desporto e Saúde, Escola de Ciências e Tecnologia, Universidade de Évora, 7000-645 Évora, Portugal
3
Comprehensive Health Research Centre (CHRC), University of Évora, 7000-645 Évora, Portugal
4
Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(8), 2971; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082971
Received: 26 January 2020 / Revised: 16 April 2020 / Accepted: 20 April 2020 / Published: 24 April 2020
(This article belongs to the Special Issue Hypoxia and Exercise: Effects on Health and Performance)
The aim of this study was to analyse the effect of four types of re-warm-up (R-WU) activity, namely rest in normoxia (RN) at FiO2 = 20.9%, rest in hypoxia (RH) at FiO2 = 15%, activity (4 × 5 jumps/15 s) in normoxia (AN) and activity in hypoxia (AH) on physical performance. Ten elite male rugby players completed a 15-min warm-up followed by one of the 15-min randomized R-WU strategies. After R-WU, countermovement jump (CMJ), 20 m sprint and repeat sprint ability (RSA) tests were assessed. Compared to passive strategies (RN and RH), tympanic temperature was higher after active R-WU (AN and AH) (p = 0.016). Higher values of CMJ height (p = 0.037) and 20 m sprint (p = 0.02) were found in AH than in RN. In addition, mean RSA was lower (p = 0.008) in AH than in RN and RH. Blood lactate concentration was higher (p = 0.007) after RN and AN strategies than after AH. Muscle O2 saturation (p = 0.021) and total Hb (p = 0.042) were higher after AH than after the other three conditions and after RN, respectively. Therefore, an active R-WU under hypoxia could be useful to elite rugby players, once it had attenuated the decline in tympanic temperature during a 15-min period after warm-up, improving jump, sprint and RSA performance. View Full-Text
Keywords: altitude; hypoxic training; jump; repeat sprint ability; sprint altitude; hypoxic training; jump; repeat sprint ability; sprint
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MDPI and ACS Style

Ramos-Campo, D.J.; Malta, J.; Olcina, G.; Timón, R.; Raimundo, A.; Tomas-Carus, P. Impact of Active and Passive Hypoxia as Re-Warm-Up Activities on Rugby Players’ Performance. Int. J. Environ. Res. Public Health 2020, 17, 2971. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082971

AMA Style

Ramos-Campo DJ, Malta J, Olcina G, Timón R, Raimundo A, Tomas-Carus P. Impact of Active and Passive Hypoxia as Re-Warm-Up Activities on Rugby Players’ Performance. International Journal of Environmental Research and Public Health. 2020; 17(8):2971. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082971

Chicago/Turabian Style

Ramos-Campo, Domingo J., João Malta, Guillermo Olcina, Rafael Timón, Armando Raimundo, and Pablo Tomas-Carus. 2020. "Impact of Active and Passive Hypoxia as Re-Warm-Up Activities on Rugby Players’ Performance" International Journal of Environmental Research and Public Health 17, no. 8: 2971. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082971

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