RecruitingClinical trialEffect of High-Intensity Interval Training Versus Home-Based Rehabilitation Program On Patients Underwent Coronary Artery Bypass Graft Surgery1. To assess the effect of high-intensity interval training on peak metabolic equivalents in patients with coronary heart disease after the coronary artery bypass grafting surgery. 2. To assess the effect of a home-based cardiac rehabilitation program on peak metabolic equivalents in patients with coronary heart disease after coronary artery bypass grafting surgery. 3. To compare functional outcomes between the different treatment approaches.