Cardiorespiratory and metabolic responses associated with children's physical activity during self-paced games.
The aim of this study was to explore the possibility of identifying clusters of children's games based on estimated energy expenditures and (or) intensity when performed in a guided active play format. The study also investigated whether the identified active play game clusters were repeatable when the games were performed on different days. Children (9.7 ± 1.1 years; n = 12) were assessed for oxygen consumption, heart rate, energy expenditure (EE), and metabolic equivalent (MET) on a treadmill (at 4, 6, and 8 km·h(-1) (0% grade)). HR and ActiGraph GT1M accelerometer (ACC) generated linear regression equations were used to estimate EE. The ACC (3 s epochs) were used for estimating METs in assigning percent time at medium-vigorous physical activity (%MVPA) of 10 self-paced games. The results showed a consistent range of EEs (ACC-equation) from 13.57 kcal·(5 min)(-1) to 25.00 kcal·(5 min)(-1) (p < 0.05); EEs (HR-equation) from 29.72 to 42.49 kcal·(5 min)(-1) (p < 0.05); and %MVPA from 10% to 34% (p < 0.05) (from ACC equations) across all games. These were reproducible from day to day (p > 0.05). This study confirms the existence of active play children's game clusters that might be useful in formatting guided active play in a dose-response manner for children.
Pediatric Exercise Physiology Laboratory, School of Kinesiology and Health Science, York University, Toronto, ON, Canada. anbelcas@yorku.ca
Angelo N
AN
Belcastro
Katherine S
KS
Morrison
Emma
E
Hicks
Helin
H
Matta
D061725:Accelerometry; D002648:Child; D004734:Energy Metabolism / Q000502:physiology*; D005080:Exercise Test; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D055686:Metabolic Equivalent / Q000502:physiology; D009043:Motor Activity / Q000502:physiology*; D010101:Oxygen Consumption / Q000502:physiology*; D010988:Play and Playthings