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Emma M. Crum, Matthew J. Barnes and Stephen R. Stannard

nitrate supplementation reduces the O 2 cost of low-intensity exercise and enhances tolerance to high-intensity exercise in humans . Journal of Applied Physiology, 107 ( 4 ), 1144 – 1155 . PubMed ID: 19661447 doi:10.1152/japplphysiol.00722.2009 10.1152/japplphysiol.00722.2009 Bonarska-Kujawa , D

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Callum G. Brownstein, Derek Ball, Dominic Micklewright and Neil V. Gibson

repeated sprints can be influenced by stage of maturation ( 27 ). Specifically, prepubescent children have been shown to fatigue less during high-intensity exercise and recover more quickly compared with postpubescent adolescents ( 26 ). Differences in the fatigue response are mediated by physiological

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.1123/pes.2015-0200 pes.2015-0200 Impact of a Soccer Game on Cardiac Biomarkers in Adolescent Players Seyed Mohsen Hosseini * Mojtaba Azizi * Ali Samadi * Nahid Talebi * Hannes Gatterer * Martin Burtscher * 1 02 2018 30 1 90 95 10.1123/pes.2017-0060 pes.2017-0060 Effect of Low- Versus High-Intensity

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Sabrina Skorski, Iñigo Mujika, Laurent Bosquet, Romain Meeusen, Aaron J. Coutts and Tim Meyer

performance decrement as well as their time course to recover. 11 Metabolic Recovery The elevated energy expenditure caused by training and competition reduces substrate availability, which can decrease performance capacity. In high-intensity exercise, any decrease in substrate availability has the potential

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Ronald J. Maughan

several substrates and metabolites for the relatively large changes in plasma volume that inevitably occur in high-intensity exercise. The change in plasma volume was calculated from the well-established Dill and Costill formula that uses changes in hemoglobin concentration and hematocrit for the

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Ilkka Heinonen, Jukka Kemppainen, Toshihiko Fujimoto, Juhani Knuuti and Kari K. Kalliokoski

previous observations by reporting that bone marrow GU is increased from a low to moderate exercise intensity effort but not significantly from moderate- to high-intensity exercise. Furthermore, by determining the ratio between bone marrow GU to that of muscle, it could be documented in the present study

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Phillip D. Tomporowski and Daniel M. Pendleton

) found that a 20-min cycling bout consisting of alternating 3-min high-intensity exercise periods and 2-min low-intensity exercise enhanced young adults’ retention of a continuous tracking task skill when measured 24 hr following training. Snow et al. ( 2016 ) performed a systematic replication of the

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Trent Stellingwerff, Ingvill Måkestad Bovim and Jamie Whitfield

due to early studies demonstrating improvements in exercise efficiency (decreased O 2 cost at the same absolute workload) and a reduction the VO 2 slow component (which reflects a loss in muscle efficiency during high-intensity exercise), following both acute and chronic supplementation (reviewed in

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Hunter S. Waldman, Brandon D. Shepherd, Brendan Egan and Matthew J. McAllister

ingested KME + CHO compared with CHO alone ( Evans & Egan, 2018 ). In contrast, a recent KS study showed no benefit to cognitive performance following high-intensity exercise ( Waldman et al., 2018 ). These divergent findings can likely be attributed to the differences observed in plasma D -β

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Guro Strøm Solli, Pål Haugnes, Jan Kocbach, Roland van den Tillaar, Per Øyvind Torvik and Øyvind Sandbakk

including intervals of higher intensity than done here. In our approach, 2 tests were performed on the same day, and significantly better performance was found during test 2 compared with test 1. Also, previous studies have shown that performance of a prior bout (priming) of high-intensity exercise results