The article presents the analysis of the physical development of the children and adolescents over several decades and the results of their own research on the physical development of students with disabilities. In the process of education, the students tend to increase the prevalence of excess body weight. During the analyzed period, the number of children and adolescents with excess body weight increased almost by 2 times. The results of our own research found that 62.1% of students with disabilities have normal physical development, 27.3% excess and 10.6% lack of body weight. The data obtained indicate high prevalence of deviations in the physical development of students with disabilities. The number of overweight children is significant...