![Normative Yo-Yo Intermittent Recovery Level 1 and Yo-Yo Intermittent Endurance Level 1 test values of boys aged 9–16 years - ScienceDirect Normative Yo-Yo Intermittent Recovery Level 1 and Yo-Yo Intermittent Endurance Level 1 test values of boys aged 9–16 years - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1440244019300970-gr1.jpg)
Normative Yo-Yo Intermittent Recovery Level 1 and Yo-Yo Intermittent Endurance Level 1 test values of boys aged 9–16 years - ScienceDirect
![PDF] The Yo-Yo intermittent recovery test level 1 is reliable in young high- level soccer players | Semantic Scholar PDF] The Yo-Yo intermittent recovery test level 1 is reliable in young high- level soccer players | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/ea0ea1f0688d1f5e8582cb4a92e28e6e85556914/4-Table2-1.png)
PDF] The Yo-Yo intermittent recovery test level 1 is reliable in young high- level soccer players | Semantic Scholar
![Normative Yo-Yo Intermittent Recovery Level 1 and Yo-Yo Intermittent Endurance Level 1 test values of boys aged 9–16 years - ScienceDirect Normative Yo-Yo Intermittent Recovery Level 1 and Yo-Yo Intermittent Endurance Level 1 test values of boys aged 9–16 years - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1440244019300970-gr2.jpg)