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A Clustered Repeated-Sprint Running Protocol For Team-Sport Athletes Performed In Normobaric Hypoxia, Jaime Morrison, Chris Mclellan, Clare Minahan
A Clustered Repeated-Sprint Running Protocol For Team-Sport Athletes Performed In Normobaric Hypoxia, Jaime Morrison, Chris Mclellan, Clare Minahan
Chris McLellan
The present study compared the performance (peak speed, distance, and acceleration) of ten amateur team-sport athletes during a clustered (i.e., multiple sets) repeated-sprint protocol, (4 sets of 4, 4-s running sprints; i.e., RSR444) in normobaric normoxia (FiO2 = 0.209; i.e., RSN) with normobaric hypoxia (FiO2 = 0.140; i.e., RSH). Subjects completed two separate trials (i. RSN, ii. RSH; randomised order) between 48 h and 72 h apart on a non-motorized treadmill. In addition to performance, we examined blood lactate concentration [La-] and arterial oxygen saturation (SpO2) before, during, and after the RSR444. While there were no differences in peak speed …