High-intensity interval training combined with resistance training improved apnea-hypopnea index but did not modify oxygen desaturation index and oxygen saturation nadir in obese children with obstructive sleep apnea.

Purpose: To investigate the effect of high-intensity interval training (HIIT) combined with resistance training (RT) on sleep indices and vascular functions in obese children with obstructive sleep apnea (OSA).

Methods: A quasi-experimental study. Forty-four obese children with OSA were allocated into either an exercise intervention (n = 22) or a usual care control group (n = 22).