Dose-effect of HIIT on Cardiovascular Health of Children

Two schools with four classes/groups of 4th degree of children will participate in the pilot study (i.e., age of children 9-10 years old). One of them has two physical education (PE) sessions per week and the other has only one PE session per week. In the school with two PE sessions, two classes will be randomly assigned to HIIT (2 sessions/week) +nutrition group, and two to the nutrition group. Similarly, in the school with one PE session per week, two classes will be randomly assigned to HIIT (1 session/week) + nutrition and two classes to the nutrition goup. Both HIIT and nutritional education sessions will be integrated integrated into the physical education and sciences sessions of the schools. The duration of the intervention will be of eight weeks.

School-based nutritional education on healthy dietary habits