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Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
Published on: October 17, 2018
Test of the classic model for predicting endurance running performance
James E McLaughlin1, Edward T Howley, David R Bassett
1Exercise Physiology Department, Lynchburg College, 1501 Lakeside Dr, Lynchburg, VA 24501, USA. mclaughlin.j@lynchburg.edu
Medicine and Science in Sports and Exercise
|December 10, 2009
Summary
Velocity at VO2max (vVO2max) best predicts 16-km running performance in well-trained athletes. This key metric integrates maximal aerobic power and running economy, outperforming traditional physiological variables.
Area of Science:
- Exercise Physiology
- Sports Science
- Running Performance Analysis
Background:
- Endurance performance is traditionally linked to maximal oxygen uptake (VO2max), lactate threshold (LT), and running economy (RE).
- Predicting performance in distance running events like a 16-km time trial requires understanding the interplay of these physiological factors.
Purpose of the Study:
- To compare classic physiological variables (VO2max, %VO2max at LT, RE) with peak treadmill velocity (PTV) as predictors of 16-km time trial performance.
- To identify the most effective physiological metric for predicting running performance in trained athletes.
Main Methods:
- Seventeen well-trained distance runners (10 males, 7 females) underwent laboratory testing.
- Measurements included VO2max, RE, %VO2max at LT, running velocity at LT, and PTV.
- Velocity at VO2max (vVO2max) was calculated, and stepwise regression models were used to identify performance predictors.
Main Results:
- Velocity at VO2max (vVO2max) demonstrated the highest correlation (r = -0.972) with 16-km performance.
- VO2max explained 81.3% of the variance, with RE adding 10.7%.
- vVO2max was the strongest predictor, accounting for 94.4% of the total variance; PTV correlated highly with vVO2max (r = 0.8867).
Conclusions:
- Velocity at VO2max (vVO2max) is the superior predictor of running performance in heterogeneous, well-trained subjects.
- vVO2max effectively integrates maximal aerobic power and running economy.
- Peak treadmill velocity (PTV) is closely associated with the physiological determinants of vVO2max.
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