National Association for Sport and Physical Education [NASPE] (2011). Active Start: A Statement of Physical Activity Guidelines for Children from Birth to Age 5 (2nd ed.). Reston, VA: NASPE.
http://columbus.gov/uploadedFiles/Public_Health/Content_Editors/
Planning_and_Performance/Healthy_Children_Healthy_Weights/
NASPE%20Active%20Start.pdf

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