Ulrich, D. A., Burghardt, A. R., Lloyd, M., Tiernan, C., & Hornyak, J. E. (2011). Physical Activity Benefits of Learning to Ride a Two-Wheel Bicycle for Children With Down Syndrome: A Randomized Trial. Physical Therapy, 91(10), 1463-1477. doi:10.2522/ptj.20110061

Mahy, J. J., Shields, N. N., Taylor, N. F., & Dodd, K. J. (2010). Identifying facilitators and barriers to physical activity for adults with Down syndrome. Journal Of Intellectual Disability Research, 54(9), 795-805. doi:10.1111/j.1365-2788.2010.01308.x

Nehring, W.M. (2010). Down syndrome. In P.J. Allen, J.A. Vessey, & N. Shapiro, (Eds.), Child with a chronic condition (5th ed.) (pp. 447-469). St. Louis, MO: Mosby.

Barr, M. M., & Shields, N. N. (2011). Identifying the barriers and facilitators to participation in physical activity for children with Down syndrome. Journal Of Intellectual Disability Research, 55(11), 1020-1033. doi:10.1111/j.1365-2788.2011.01425.x

Draheim CC, Williams DP, McCubbin JA. Prevalence of physical inactivity and recommended
physical activity in community-based adults with mental retardation.
Ment Retard. 2OO2;4O:436-444.

Barnhart, R. C., & Connolly, B. (2007). Aging and Down Syndrome: Implications for Physical Therapy. Physical Therapy, 87(10), 1399-1406.

Esposito, Phil E., et al. "Physical Activity Patterns of Youth with Down Syndrome." Intellectual and Developmental Disabilities 50.2 (2012): 109-19. ProQuest. Web. 10 May 2013.

Murray, J., & Ryan-Krause, P. (2010). Obesity in Children with Down Syndrome: Background and Recommendations for Management. Pediatric Nursing, 36(6), 314-319.