Iso-duration Determination of D′ and CS under Laboratory and Field Conditions.

International Journal of Sports Medicine
C TriskaH Tschan

Abstract

Whilst Critical Speed (CS) has been successfully translated from the laboratory into the field, this translation is still outstanding for the related maximum running distance (D'). Using iso-duration exhaustive laboratory and field runs, this study investigated the potential interchangeable use of both parameters, D' and CS. After an incremental exercise test, 10 male participants (age: 24.9±2.1 yrs; height: 180.8±5.8 cm; body mass: 75.3±8.6 kg; V̇ ˙VO2peak 52.9±3.1 mL∙min(-1)∙kg(-1)) performed 3 time-to-exhaustion runs on a treadmill followed by 3 exhaustive time-trial runs on a-400 m athletics outdoor track. Field time-trial durations were matched to their respective laboratory time-to-exhaustion runs. D' and CS were calculated using the inverse-time model (speed=D'/t+CS). Laboratory and field values of D' and CS were not significantly different (221±7 m vs. 225±72 m; P=0.73 and 3.75±0.36 m∙s(-1) vs. 3.77±0.35 m∙s(-1), P=0.68), and they were significantly correlated (r=0.86 and 0.94). The 95% LoA were ±75.5 m and ±0.24 m∙s(-1) for D' and CS, respectively. Applying iso-durations provides non-significant differences for D' and CS and a significant correlation between conditions. This novel translation method can consequently be...Continue Reading

Citations

Jan 16, 2018·European Journal of Sport Science·Christoph TriskaHarald Tschan
Dec 12, 2018·Journal of Strength and Conditioning Research·Daniel Muniz-PumaresMark Glaister
Nov 15, 2018·International Journal of Sports Physiology and Performance·Mehdi KordiAndy Galbraith
Jan 9, 2021·Medicine and Science in Sports and Exercise·Christoph TriskaBettina Karsten
Feb 14, 2021·European Journal of Applied Physiology·Ben HunterDaniel Muniz-Pumares
Nov 10, 2020·Frontiers in Physiology·Jean Romain RivièrePierre Samozino
Nov 17, 2020·Journal of Sports Sciences·Lucio FolladorSergio Gregorio da Silva
May 18, 2021·European Journal of Sport Science·Christian VassalloMark Waldron

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