Objective:

to determine the effect of an exercise program followed by a rest period post-intervention on cardiovascular risk markers in a group of children of Cali- Colombia school.

Materials:

experimental study which included 26 children aged 10-13 years old. These were subjected to a exercise intervention period (4 months) followed by a rest period. Changes in: glucose and lipid profile, anthropometric variables, and parameters of physical capacity, were evaluated.

Results:

boys showed higher values of body fat percentage, cHDL, VO2max, load and lactate at the end of the exercise intervention, and significant increase in the value of blood glucose, BMI and body fat percentage at the end of the postintervention rest period. In girls only was observed an increase in load median after exercise intervention. In the post-intervention rest period BMI, body fat percentage and blood glucose were higher and the load value was lower compared to the end of the exercise intervention.

Conclusions:

boys had a better response to exercise in variables related to cardiovascular risk, and this finding could be influenced by spontaneous physical activity in men. In most of the variables, negative changes were observed after the post-intervention rest period. To the author’s knowledge, this paper represents a first exploration of the effect of a sedentary period after an exercise program on the cardiovascular profile of a schoolchildren group.

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