Specificity of Test Duration when Assessing the Anaerobic Lactacid Capacity of High-Performance Track Cyclists

Abstract The specificity of three maximal cycling sprint tests as a measure of anaerobic lactacid capacity was determined in nine highly trained male cyclists when they performed 10-, 30-, 40-, and 60-s tests on a modified Repco wind-braked cycle ergometer. Peak power (PP), percent power loss (% PO)...

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Bibliographic Details
Published in:International journal of sports medicine 1989-08, Vol.10 (4), p.237-242
Main Authors: Craig, N. P., Pyke, F. S., Norton, K. I.
Format: Article
Language:English
Subjects:
Adult
Applied physiology
Bicycling
Biological and medical sciences
Energy Metabolism
Exercise Test
Human physiology applied to population studies and life conditions. Human ecophysiology
Humans
Lactates - blood
Lactic Acid
Male
Medical sciences
Sensitivity and Specificity
Time Factors
Track and Field
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Summary:Abstract The specificity of three maximal cycling sprint tests as a measure of anaerobic lactacid capacity was determined in nine highly trained male cyclists when they performed 10-, 30-, 40-, and 60-s tests on a modified Repco wind-braked cycle ergometer. Peak power (PP), percent power loss (% PO), total work done (TW), and peak blood lactate (PHLa) were determined for each test. The cyclists also performed a 1000-m time trial under competition conditions during which 200-m split times, total time (TT), and peak post-competition blood lactate (TTPHLa) were recorded. While there was no statistically significant difference between the peak blood lactate of the 30-, 40-, and 60-s tests, peak blood lactate achieved after the 1000-m time trial was significantly greater than those after the cycle ergometer tests. Although there were high intercorrelations (0.88-0.99) between the anaerobic power and capacity indices of the laboratory tests, only the PP and TW achieved during the 60-s test correlated significantly (P < 0.05) with TT. The data suggest that when assessing the anaerobic power and capacity of elite 1000-m time trial cyclists, a cycle ergometertest duration of at least 60 s should be employed.
ISSN:0172-4622
1439-3964
DOI:10.1055/s-2007-1024909