Feasibility and Reliability of a Repeated Sprint Test in Children Age 6 to 8 Years

in Pediatric Exercise Science
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This study investigated the feasibility and reliability of a 12 × 25-m repeated sprint test with sprints starting every 25-s in children aged 6–8 years (36 boys, 41 girls). In all subjects, total sprint time (TST) demonstrated high test-retest reliability (ICC: r = .98; CV: 0.7% (95% CI: 0.6–0.9)). While sprint time varied over the 12 sprints in all subjects (p < .001) with a significant increase in time for the third effort onwards compared with the first sprint (p < .001), there was no difference in performance between genders. In all subjects, TST decreased with age (p < .001) and was accompanied by an increase in estimated anaerobic power (p < .001) but also in sprint time decrement percentage (p < .001). Gender did not effect these changes. The present study demonstrates the practicability and reliability of a repeated sprint test with respect to age and gender in young children.

Temfemo, Lelard, Mandengue, Chlif, and Ahmaidi are with the Faculty of Sport Sciences, University of Picardie, Amiens, France. Carling is with the LOSC Lille Métropole Football Club, Camphin-en-Pévèle, France and the Institute of Coaching and Performance, University of Central Lancashire, Preston, UK.