Archives of Disease in Childhood · 2011 · 84 citations · 30 references
Excessive sedentary time is associated with low CRF in adolescent girls but not in boys. However, this adverse effect might be attenuated if adolescent girls meet the current physical activity guidelines.
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Physical Activity in the United States Measured by Accelerometer
Richard P. Troiano, David Berrigan, Kevin W. Dodd et al. · Medicine & Science in Sports & Exercise · 2008 · 7.6K citations
The multistage 20 metre shuttle run test for aerobic fitness
L Léger, D. Mercier, C Gadoury et al. · Journal of Sports Sciences · 1988 · 2.5K citations