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Founded in 1994, Shape Up America! is a 501(c)3 not-for-profit organization committed to raising awareness of obesity as a health issue and to providing responsible information on healthy weight management.


References for "Resolve to Play"

1 Prevalence of regular physical activity among adults — United States, 2001 and 2005. MMWR Morb Mortal Wkly Rep. 2007;56(46):1209-1212. Available at: Accessed December 12, 2007.

2 Marcus BH, Forsyth LH. The challenge of behavior change. Med Health R I. 1997;80(9):300-302.

3 Ryan RM, Deci EL. Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. Am Psychol. 2000;55(1):68-78.

4 Sonstroem RJ. Physical activity and self esteem. In: Morgan WP, ed. Physical Activity & Mental Health, Series in Health Psychology and Behavioral Medicine. Washington, DC: Taylor and Francis;1997:127-143.

5 Kavussanu M, Roberts GC. Motivation in physical activity contexts: The relationship of perceived motivational climate to intrinsic motivation and self-efficacy. J Sport Exerc Psychol.1996;18(3):264-280.

6 Ntoumanis N, Biddle SJ. A review of motivational climate in physical activity. J Sports Sci. 1999;17(8):643-665.

7 Bravata DM, Smith-Spangler C, Sundaram V, et al. Using pedometers to increase physical activity and improve health: A systematic review. JAMA. 2007; 298(19):2296-2304.