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Test-Retest Reliability of the Yo-Yo Test: A Systematic Review
Jozo Grgic1, Luca Oppici2,3,4, Pavle Mikulic5
1Institute for Health and Sport (IHES), Victoria University, Melbourne, Australia. jozo.grgic@live.vu.edu.au.
Sports Medicine (Auckland, N.Z.)
|July 5, 2019
Summary
The Yo-Yo test demonstrates good-to-excellent test-retest reliability across its variants, according to a systematic review. Further research is needed for diverse populations and test versions.
Area of Science:
- Sports Science
- Exercise Physiology
- Performance Testing
Background:
- The Yo-Yo test is a popular tool in sports science and research.
- Concerns exist regarding the consistent test-retest reliability of the Yo-Yo test.
Purpose of the Study:
- To systematically review and summarize existing research on the test-retest reliability of the Yo-Yo test.
- To assess the methodological quality of studies investigating Yo-Yo test reliability.
Main Methods:
- A comprehensive search of ten databases was conducted.
- Studies investigating test-retest reliability of any Yo-Yo test variant were included.
- The COSMIN checklist was used to evaluate study quality.
Main Results:
- Nineteen studies of moderate to excellent quality were included.
- Intra-class correlation coefficients (ICCs) ranged from 0.78 to 0.98, with 97% above 0.80.
- Coefficients of variation (CVs) ranged from 3.7% to 19.0%, with most below 10%.
Conclusions:
- The Yo-Yo test generally exhibits good-to-excellent test-retest reliability.
- High reliability is supported by studies of moderate to high methodological quality.
- Further research is recommended for Yo-Yo intermittent recovery level 2, Yo-Yo intermittent endurance tests, and non-football/non-athletic populations.
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