1. Chow, B., & Frey, G. C. (2005). An examination of health-related physical fitness levels in Hong Kong youth with intellectual disability. [Google Scholar]
2. Cowley, P. M., Ploutz-Snyder, L. L., Baynard, T., Heffernan, K., Jae, S. Y., Hsu, S., . . . Fernhall, B. (2010). Physical fitness predicts functional tasks in individuals with Down syndrome. Med Sci Sports Exerc, 42(2), 388-393. [Google Scholar]
3. Frey, G., & Chow, B. (2006). Relationship between BMI, physical fitness, and motor skills in youth with mild intellectual disabilities. International journal of obesity, 30(5), 861-867. [Google Scholar]
4. Frey, G. C., Stanish, H. I., & Temple, V. A. (2008). Physical activity of youth with intellectual disability: review and research agenda. Adapted Physical Activity Quarterly, 25(2), 95-117. [Google Scholar]
5. Giagazoglou, P., Kokaridas, D., Sidiropoulou, M., Patsiaouras, A., Karra, C., & Neofotistou, K. (2013). Effects of a trampoline exercise intervention on motor performance and balance ability of children with intellectual disabilities. Research in developmental disabilities. 34(9), 2701-2707. [Google Scholar]
6. Golubović, Š., Maksimović, J., Golubović, B., & Glumbić, N. (2012). Effects of exercise on physical fitness in children with intellectual disability. Research in developmental disabilities, 33(2), 608-614. [Google Scholar]
7. Graham, A., & Reid, G. (2000). Physical fitness of adults with an intellectual disability: A 13-year follow-up study. Research quarterly for exercise and sport, 71(2), 152-161. [Google Scholar]
8. Guidetti, L., Franciosi, E., Gallotta, M. C., Emerenziani, G. P., & Baldari, C. (2010). Could sport specialization influence fitness and health of adults with mental retardation? Research in developmental disabilities, 31(5), 1070-1075. [Google Scholar]
9. Hale, L., Bray, A., & Littmann, A. (2007). Assessing the balance capabilities of people with profound intellectual disabilities who have experienced a fall. Journal of Intellectual Disability Research, 51(4), 260-268. [Google Scholar]
10. Hartman, E., Houwen, S., Scherder, E., & Visscher, C. (2010). On the relationship between motor performance and executive functioning in children with intellectual disabilities. Journal of Intellectual Disability Research, 54(5), 468-477. [Google Scholar]
11. Hove, O. (2004). Weight survey on adult persons with mental retardation living in the community. Research in developmental disabilities, 25(1), 9-17. [Google Scholar]
12. Lahtinen, U., Rintala, P., & Malin, A. (2007). Physical performance of individuals with intellectual disability: A 30-year follow-up. Adapted Physical Activity Quarterly, 24(2), 125-143. [Google Scholar]
13. Looper, J., & Ulrich, D. A. (2010). Effect of treadmill training and supramalleolar orthosis use on motor skill development in infants with Down syndrome: a randomized clinical trial. Physical therapy, 90(3), 382-390. [Google Scholar]
14. Mayda, M. H., Karakoc, O., & Ozdal, M. (2016). The investigation of some physical, physiological and anthropometric parameters of visually impaired and non-impaired a national male judoka. Journal of Education and Training Studies, 4(6), 192-198. [Google Scholar]
15. Nouwens, P. J. G., Lucas, R., Smulders, N. B. M., Embregts, P. J. C. M., & van Nieuwenhuizen, C. (2017). Identifying classes of persons with mild intellectual disability or borderline intellectual functioning: a latent class analysis. BMC Psychiatry, 17(1), 257. doi:10.1186/s12888-017-1426-8. [Google Scholar]
16. Pitetti, K. H., Yarmer, D. A., & Fernhall, B. (2001). Cardiovascular fitness and body composition of youth with and without mental retardation. Adapted Physical Activity Quarterly, 18(2), 127-141. [Google Scholar]
17. Salaun, L., & Berthouze‐Aranda, S. E. (2012). Physical fitness and fatness in adolescents with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 25(3), 231-239. [Google Scholar]
18. Skowroński, W., Horvat, M., Nocera, J., Roswal, G., & Croce, R. (2009). Eurofit special: European fitness battery score variation among individuals with intellectual disabilities. Adapted Physical Activity Quarterly, 26(1), 54-67. [Google Scholar]
19. Van de Vliet, P., Rintala, P., Fröjd, K., Verellen, J., Van Houtte, S., Daly, D., & Vanlandewijck, Y. (2006). Physical fitness profile of elite athletes with intellectual disability. Scandinavian journal of medicine & science in sports, 16(6), 417-425. [Google Scholar]
20. Vandenbroucke, J. P., Von Elm, E., Altman, D. G., Gøtzsche, P. C., Mulrow, C. D., Pocock, S. J., . . . Egger, M. (2009). Strengthening the reporting of observational studies in epidemiology (STROBE): explanation and elaboration. Gaceta sanitaria, 23(2), 158e151-158e128. [Google Scholar]
21. Vuijk, P. J., Hartman, E., Scherder, E., & Visscher, C. (2010). Motor performance of children with mild intellectual disability and borderline intellectual functioning. Journal of Intellectual Disability Research, 45(11). 955-965. [Google Scholar]
22. Zhang, L., Zhu, X., Haegele, J. A., Wang, D., & Wu, X. (2020). Health and fitness indicators of individuals with intellectual disabilities in China: Performance differences among disability levels. Journal of Intellectual & Developmental Disability, 45(2), 155-158. [Google Scholar]