Comparing Two Modes of Physical Training regarding Aerobic Power on Body Composition and Peak Oxygen Consumption on CABG Patients

Objective: The previous studies show that physical exercise reduces the mortality rate of cardiovascular diseases via improving peak oxygen uptake (VO2peak). The purpose of this study has accordingly been to compare and contrast the effect of High Intensity Interval Training (HIIT) with Moderate Intensity Continual Training (MICT) carrying the same total training load of VO2peak on aerobic power and body composition among the patients who have had Coronary Artery Bypass Graft (CABG). Design: In this regard, 12 CABG patients have randomly been divided into two similar groups receiving high intensity training or moderate intensity training. Method: HIIT (85-95 % HR peak) and MICT (50-70% HR peak) were performed 33 and 41 minutes respectively three times a week for an 8- week period. Result: The results illustrated that the VO2peak amount increased by 20.20% and 9.62% in HIIT and MICT respectively. In comparison there was a significant difference to the advantage of HIIT group in VO2peak(p = 0/004), body mass (p = 0/005), body mass index (p = 0/03), body fat mass (p = 0/002) and body fat percentage (p = 0/006). However, the interval training (p = 0/33) and the continual training (p = 0/12) had no significant effect on the lean body mass. Conclusion: Therefore, HIIT was more effective than MICT to increase VO2peak and to improve body composition among CABG patients. Then it is suggested to apply HIIT instead of MICT for the purpose of CABG patient rehabilitation.