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Published on: January 28, 2020
The power profile predicts road cycling MMP.
M J Quod1, D T Martin, J C Martin
1Australian Institute of Sport, Department of Physiology, Belconnen, Australia. marcquod@yahoo.com
The laboratory Power Profile (PP) test accurately predicts competitive cycling power output, matching Maximum Mean Power (MMP) analysis from road races. This makes the PP test a valid tool for assessing cyclists' performance capacity.
Area of Science:
- Sports Science
- Exercise Physiology
- Cycling Performance Analysis
Background:
- Laboratory fitness tests are established predictors of cycling time-trial performance.
- Mass-start road races present unique challenges like drafting and variable power output, limiting direct comparisons with lab tests.
- The ecological validity of laboratory assessments in replicating real-world cycling competition demands requires further investigation.
Purpose of the Study:
- To compare power output measured in the laboratory Power Profile (PP) test with Maximum Mean Power (MMP) derived from competition data in male cyclists.
- To determine if the PP test is an ecologically valid measure of power-producing capacity relevant to competitive road cycling.
- To assess the utility of PP testing in conjunction with MMP analysis for quantifying cycling performance.
Main Methods:
- Ten male cyclists completed a laboratory Power Profile (PP) test within 14 days of participating in road races.
- Maximum Mean Power (MMP) analysis was performed on competition data for durations ranging from 60 to 600 seconds.
- Key performance indicators including total work, critical power, and W' (work above critical power) were compared between lab and competition data.
Main Results:
- No significant differences were observed between the Power Profile (PP) test results and Maximum Mean Power (MMP) analysis of competition data for durations of 60-600 s.
- Estimates of critical power and W' (work above critical power) were comparable between laboratory testing and competition analysis.
- Cyclists exhibited a higher self-selected cadence (15±7 rpm) during laboratory testing compared to competition.
Conclusions:
- The Power Profile (PP) test demonstrates ecological validity as an assessment of power-producing capacity across cycling-specific durations.
- The PP test, when combined with Maximum Mean Power (MMP) analysis of competition data, offers a valuable approach for quantifying performance metrics in competitive cyclists.
- This integrated approach can aid coaches and athletes in understanding and optimizing power output for road racing scenarios.
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