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A Comparison of Skating Economy On-Ice and on the Skating Treadmill

Authors: Nobes, Kelly;

A Comparison of Skating Economy On-Ice and on the Skating Treadmill

Abstract

Le but de cette étude était de comparer la dépense énergétique ainsi que le V02max sur la glace et sur un tapis roulant con<;u pour patiner. Des joueurs d'une équipe masculine universitaire de hockey (n = 15, âge 21.0 ans) ont effecctué une épreuve de patinage sur un tapis roulant et sur la glace. Les sujets ont patine durant quatre minutes à chacune des trois vitesses sous-maximales (18, 20 et 22 km·h-1), entrecoupées de cinq minutes de récupération passive. Suite à l'épreuve de patinage sous-maximale, un test pour évaluer le V02max était réalisé. Celui-ci débutait à une vélocité de 24 km·h-1 et la vitesse était augmentée de 1 km·h-1 a chaque minute jusqu'à épuisement. Les V02 obtenus sur le tapis roulant étaient de 39.7, 42.9, 46.0, et de 53.4 ml.kg-1·min-1 a 18, 20, 22 km·h-1) et a vitesse maximale. Le V02 était significativement plus bas sur la glace (p = 0.05) 31.5, 36.9 et 42.7 mI· kg-1. min-1 a 18,20, et 22 km·h-1. Le V02max sur la glace(54.7 mI·kg-1·min-1) était similaire à celui mesure sur le tapis roulant. Les données cinématiques (vitesse et longueur des enjambées) ainsi que la fréquence cardiaque étaient signicativement différentes sur la glace comparativement aux résultats obtenus sur le tapis roulant. Ces résultats démontrent qu'a vitesse sous-maximale, le V02, la fréquence cardiaque ainsi que la vitesse des enjambées sont plus élevées sur le tapis roulant que sur la glace.

The purpose of this study was to compare skating economy and V02max on-ice and on the skating treadmill (TM). Male varsity hockey players (n == 15, age 21.0 yr) performed skating tests on a TM and on-ice. The subjects skated for 4 min at each of 3 submaximal velocities (18, 20, and 22 km'h-1), separated by 5 min of passive recovery. A V02max test followed the submaximal tests and commenced at 24 km'h-1with the velocity increasing by 1 km'h-1every minute until volitional fatigue. V02 was 39.7, 42.9, 46.0, and 53.4 ml'kg-1'rnin-1 at 18,20,22, and maximum speed (km'h-1) on the TM. V02 was significantly lower (p < .05) 31.5, 36.9, and 42.7 ml'kg-1'min-1 at 18,20, and 22 km·h-1on-ice. The on-ice V02max (54.7 ml'kg-l'min-1) was similar to TM. Kinematic data (stride rate and length) and heart rate (HR) were significantly different on-ice compared to TM. These results show that at sub maximal velocities, VO2, HR, and stride rate are higher on TM compared to on-ice. V02max was similar while HRmax was higher on the skating treadmill compared to on-ice.

Montgomery, David L.

Country
Canada
Related Organizations
Keywords

Treadmill exercise tests, Skating -- Physiological aspects

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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