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zadow, pacing the missing piece to the high intensity interval training puzzle.pdf (257.62 kB)

Pacing, the missing piece of the puzzle to high-intensity interval training

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journal contribution
posted on 2023-05-19, 23:07 authored by Zadow, EK, Gordon, N, Abbiss, CR, Peiffer, JJ
This study examined physiological and perceptual responses to matched work high-intensity interval training using all-out and 2 even-paced methodologies. 15 trained male cyclists performed 3 interval sessions of three 3-min efforts with 3 min of active recovery between efforts. The initial interval session was completed using all-out pacing, with the following 2 sessions being completed with computer- and athlete-controlled pacing in a randomised and semi-counterbalanced manner. Computer- and athlete-controlled intervals were completed at the mean power from the corresponding interval during the all-out trial. Oxygen consumption and ratings of perceived exertion were recorded during each effort. 20 min following each session, participants completed a 4-km time trial and provided sessional rating of perceived exertion. Oxygen consumption was greater during all-out (54.1±6.6; p<0.01) and athlete-controlled (53.0±5.8; p<0.01) compared with computer-controlled (51.5±5.7 Total time ≥85% maximal oxygen consumption was greater during all-out compared to both even-paced efforts. Sessional ratings of perceived exertion were greater after all-out compared to both even-paced sessions. Mean 4-km power output was lower after all-out compared with both even paced intervals. Distribution of pace throughout high-intensity interval training can influence perceptual and metabolic stress along with subsequent performance and should be considered during the prescription of such training.


Publication title

International Journal of Sports Medicine








School of Health Sciences


Georg Thieme Verlag Kg

Place of publication

Rudigerstr 14, Stuttgart, Germany, D-70469

Rights statement

Copyright 2015 Georg Thieme Verlag KG Stuttgart New York

Repository Status

  • Open

Socio-economic Objectives

Specific population health (excl. Indigenous health) not elsewhere classified

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