THE INFLUENCE OF LEAD-IN EXERCISES ON THE LEVEL OF FLEXIBILITY DEVELOPMENT OF THE MIDDLE-SCHOOL-AGE CHILDREN
The article indicated the value of the complex of the lead-in exercises for development of flexibility of the middle-school-age children. In his study, we revealed the concept of flexibility, the methods of flexibility development of children of school age, the basic methodical conditions applicable for development of the joints mobility. We have developed and described the set of lead-in exercises, which included passive exercises, active exercises, and the static ones. This complex was used in the main part of the lesson before performing stretching exercises.