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Reliability of repeated sprint exercise in non-motorised treadmill ergometry
M G Hughes1, M Doherty, R J Tong
1School of Sport, PE & Recreation, University of Wales Institute, Cardiff, United Kingdom. mghughes@uwic.ac.uk
International Journal of Sports Medicine
|June 2, 2006
Summary
This study found that maximal speed and average force measures are reliable during repeated sprint tests on a non-motorized treadmill. However, fatigue indices showed lower reliability in this repeated sprint protocol.
Area of Science:
- Sports Science
- Exercise Physiology
- Biomechanics
Background:
- Repeated sprint testing is common in sports science.
- Non-motorized treadmill ergometry is an underutilized tool for repeated sprint research.
- Investigating the reliability of this ergometry for repeated sprints is crucial.
Purpose of the Study:
- To assess the reliability of a repeated sprint protocol using non-motorized treadmill ergometry.
- To compare performance measures (maximal speed, average force) and fatigue indices across multiple testing sessions.
- To establish the validity of this method for evaluating athletic performance.
Main Methods:
- Ten healthy, active males participated in the study.
- Participants completed three repeated sprint tests (6 x 6s sprints with 30s recovery) on separate occasions.
- Maximal speed, average force production, and fatigue were measured and compared.
Main Results:
- Maximal speed and average force demonstrated high reliability between testing sessions (CV ≤ 5%).
- No significant differences were found in performance measures across trials (p < 0.05).
- Fatigue indices exhibited lower reliability (CV ≈ 30%) for both maximal speed and average force.
Conclusions:
- Measures of maximal speed and average force are reliable in a repeated sprint protocol using non-motorized treadmills.
- The reliability of fatigue measures in this protocol appears to be low.
- Non-motorized treadmills can be reliably used for assessing performance in repeated sprint testing, but fatigue assessment requires further investigation.
