The main indicators of the functional state of children with cardiac disorders were determined based on the analysis of the domestic and foreign literature. The purpose of the work was to find the peculiarities of building a program of physical therapy for children with cardiac disorders and to distinguish indicators for determining a safe level of physical activity, based on a thorough analysis of domestic and foreign literature. At the present stage, according to these indicators, physical therapy programs are being built and a safe level of physical activity is determined. The search studies were conducted in PubMed and Google Scholar and yielded a total of 9 studies published between 2015 and 2019. The number of studied patients ranged from 6-1265. Types of scientific research were also identified, which indicate the level of reliability of the analyzed works results. Four of the nine studies were categorized as uncontrolled studies, where no comparison group was used, indicating a low reliability of the data obtained. The study showed that the most common indicators for monitoring the functional state of children were heart rate and blood pressure, and their change during exercise tests (used in 66.6% of studies). The Harvard steppe test, the treadmill test, the 6-minute walk test, and the Shapovalova index were used as the physical activity tests. Electrocardiography indicators were used in 33.3% of studies and Echocardiography was used in 22.2%. Moreover, questionnaires were conducted in 22.2% of the surveys to determine the level of health status, the presence and severity of symptoms of the disease. The amount of oxygen consumed (VO2), the Kerdo index and many others were determined. Physical therapy programs based on certain indicators were also very different, their duration varied from 12 days to 1 year. However, in almost all programs the number of trainings was 2-3 times a week (according to World Health Organisation recommendations). Conclusion. Taking into account the current inconclusive evidence and limited literature, further study of the safe level of exercise for children with cardiac activity disorders without the use of maximal exercise tests is necessary. There is also a need to use diagnostic methods that will reflect the functioning of functional systems of the children’s organism. All these features will allow to predict the response of the adaptation or compensation of the body to physical activity and to build a wellness training programs based on the main measurements.
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