Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/2138
Title: Influence of exercise intensity on time spent at high percentage of maximal oxygen uptake during an intermittent session in young endurance-trained athlete
Authors: Thevenet, Delphine
Tardieu, Magaly
Zouhal, Hassane
Jacob, Christophe 
Abderrahman, Ben Abderraouf
Prioux, Jacques
Affiliations: Department of Physical Education 
Keywords: Intermittent exercise
Exercise intensity
Time to exhaustion
Time spent at high percentage of maximal oxygen uptake
Young athlete
Issue Date: 2007
Part of: European journal of applied physiology
Volume: 102
Issue: 1
Start page: 19
End page: 26
Abstract: 
The purpose of this study was to compare, during a 30s intermittent exercise (IE), the effects of exercise intensity on time spent above 90% V˙O2max(t90V˙O2max) and time spent above 95% V˙O2max(t95V˙O2max) in young endurance trained athletes. We hypothesized that during a 30sIE, an increase in exercise intensity would allow an increase in t90V˙O2maxandt95V˙O2max due to a decrease in time to achieve 90% or 95% of V˙O2max. Nine endurance-trained male adolescents took part in three field tests. After determination of their V˙O2max and maximal aerobic velocity (MAV), they performed, until exhaustion, two intermittent exercise sessions alternating 30s at 100% of MAV (IE100) or 110% of MAV (IE110) and 30s at 50% of MAV. Mean time to exhaustion (t lim) values obtained during IE100 were significantly longer than during IE110 (p < 0.01). Moreover, no significant difference was found in t90V˙O2maxort95V˙O2max expressed in absolute or relative (%t lim) values between IE100 and IE110. In conclusion, an increased of 10% of exercise intensity during a 30s intermittent exercise model (with active recovery), does not seem to be the most efficient exercise to solicit oxygen uptake to its highest level in young endurance-trained athletes.
URI: https://scholarhub.balamand.edu.lb/handle/uob/2138
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Physical Education

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