The Study of Physical Fitness and Health-related physical activity Programs in individuals with Down Syndrome: Systematic Review

Objective: Down syndrome is the most common genetic intellectual disability conditions in 1 out of 800 to1000 live births. Adolescents and Youth with Down syndrome are unique population on factors health-related physical activity. Methods: To investigate the factors of physical fitness and physical activity in adolescents and Youth with Down syndrome the used of international and national data bases such as EBSCO، Medline, PubMed،Elsevier، Google scholar, SID from 1996 to 2016. In this research were used, some key words Persian and Engelish like Physical fitness, physical activity, Down syndrome, rehabilitation, intellectual disability, muscular strength, muscular endurance, aerobic fitness, balance, agility and flexibility. Results: In search exts, were found 130 articles that after removing the articles that a close relation matches the subject, 35 articles were considered for the study. The results indicated Reduce cardio-respiratory capacity and a lower level of physical protrusions and people with intellectual disability than their normal peers in strength, endurance, balance and agility and also an increase in subcutaneous fat and body fat distribution Conclusion: the research indicates that Adolescents and Youth with DS have low cardiovascular and muscular fitness/exercise capacity; demonstrate a greater prevalence of overweight and obesity,Reduce health-related activities. Future research should focus on strength testing and training protocols,  methodologies to determine PA levels; and  practical interventions to increase PA