Effect of intense interval workouts on running economy using three recovery durations

European Journal of Applied Physiology and Occupational Physiology
G S ZavorskyD J Pearsall

Abstract

The purposes of this study were to determine whether running economy (RE) is adversely affected following intense interval bouts of 10 x 400-m running, and whether there is an interaction effect between RE and recovery duration during the workouts. Twelve highly trained male endurance athletes [maximal oxygen consumption; VO2max = 72.5 (4.3) ml x kg(-1) x min(-1) mean (SD)] performed three interval running workouts of 10 x 400 m with a minimum of 4 days between runs. Recovery duration between the repetitions was randomly assigned at 60, 120 or 180 s. The velocity for each 400-m run was determined from a treadmill VO2max test. The average running velocity was 357.9 (9.0) m x min(-1). Following the workout, the rating of perceived exertion (RPE) increased significantly (P < 0.01) as recovery duration between the 400-m repetitions decreased (14.4, 16.1, and 17.7 at 180s, 120s, and 60 s recovery, respectively). Prior to and following each workout, RE was measured at speeds of 200 and 268 m x min(-1). Changes in RE from pre- to post-workout, as well as heart rate (HR) and respiratory exchange ratio (R) were similar for the three recovery conditions. When averaged across conditions, oxygen consumption (VO2) increased significantly (P...Continue Reading

Citations

Sep 18, 2007·European Journal of Applied Physiology·Arve Vorland PedersenAsgeir Mamen
May 31, 2019·International Journal of Sports Physiology and Performance·Patrick P J M SchoenmakersKate E Reed
Aug 19, 2017·European Journal of Applied Physiology·Takuya OsawaHideyuki Takahashi
Nov 20, 2002·Medicine and Science in Sports and Exercise·Paul B LaursenDavid G Jenkins
Nov 12, 2020·International Journal of Sports Medicine·Olli-Pekka NuuttilaAri Nummela

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