![International variability in 20 m shuttle run performance in children and youth: who are the fittest from a 50-country comparison? A systematic literature review with pooling of aggregate results | British Journal International variability in 20 m shuttle run performance in children and youth: who are the fittest from a 50-country comparison? A systematic literature review with pooling of aggregate results | British Journal](https://bjsm.bmj.com/content/bjsports/52/4/276/F2.large.jpg)
International variability in 20 m shuttle run performance in children and youth: who are the fittest from a 50-country comparison? A systematic literature review with pooling of aggregate results | British Journal
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Kennisrotonde | Verbetert een Shuttle Run test de lichamelijke conditie van leerlingen en welke rol speelt motivatie hierin?
![PDF) International variability in 20 m shuttle run performance in children and youth: Who are the fittest from a 50-country comparison? A systematic literature review with pooling of aggregate results PDF) International variability in 20 m shuttle run performance in children and youth: Who are the fittest from a 50-country comparison? A systematic literature review with pooling of aggregate results](https://www.researchgate.net/profile/Tim-Olds/publication/308391469/figure/tbl2/AS:667603278249986@1536180433049/nternational-20mSRT-norms-for-running-speed-km-h-at-the-last-completed-stage-30_Q320.jpg)