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O2peak Comparison of a Treadmill Vs. Cycling
Protocol in Elite Teenage Competitive Runners,
Cyclists, and Swimmers
David Marko1, Petr 1, Ronald L. Snarr2, and Renata Maltov1
1Department of Sports Studies, Faculty of Education, University of South Bohemia in esk
Budjovice, esk Budjovice, Czech Republic; and
2Department of Health Sciences and Kinesiology, Georgia Southern University, Statesboro,
Georgia
Abstract
The purpose of this study was to compare the cardiorespiratory and metabolic responses of a
maximal graded exercise test (GXT) on a treadmill and cycle ergometer in elite-level, youth
competitive athletes. Thirty-one athletes (11 distance runners, 11 mountain-bike cyclists, and
9 long-distance swimmers) were randomly selected to complete either a running or cycling
GXT on the first day, followed by the alternative 72 hours apart. The initial work rate for each
O2peak to elicit fatigue
within 812 minutes. For the treadmill protocol -1 each
minute, with a constant 5% grade, until volitional fatigue. Cycle ergometer work rate was
increased by 30 W every minute until volitional fatigue or the inability to maintain proper
cadence (i.e., 100 -1
O2peak, heart rate [HR]
peak, breathing frequency (BF), tidal volume (VT), and minute ventilation (VE) were assessed
-
O2peak (∼7%; d
= 0.92), HRpeak (∼4%; d = 0.77), VE (∼6%; d = 0.66), and BF (∼12%; d = 0.62) on the
treadmill vs. cycle. However, the cycling
O2peak (∼8%; d =
0.92), VT (∼14%; d = 0.99), and VE (∼9%; d = 0.78) on the cycle, despite no change in
O2peak (∼5%; d =
0.75), BF (∼11.5%; d = 0.78), and HRpeak (∼3%; d = 0.69). Collectively, these findings
indicate that exercise mode may greatly affect physiological outcome variables and should be
considered before exercise prescription and athletic monitoring.
Key Words: measurement, ergometer, cardiovascular fitness, aerobic capacity, aerobic testing
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