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Coronary Artery Bypass Grafting (CABG) is one of the most commonly performed surgical procedures. During the postoperative period, the prolonged bed rest increases the possible occurrence of systemic complications, resulting from immobilization. Aim: This quasi-experimental study aims to analyze the hemodynamic variables and the peak expiratory flow (peak flow) during the application of two different exercise protocols (with and without passive exercise peddler) compared with the traditional intervention (non-invasive ventilation) in elderly patients after Coronary Artery Bypass Grafting. Methods and material: Thirty elderly patients, in postoperative care of CABG, were organized into three groups: Group A – which performed the exercise in a passive exercise peddler; Group B – which performed motor physical therapy without using the exercise peddler; and Group C – with non-invasive ventilation. Considering a 5% significance level (p<0.05) the Shapiro Wilk’s test for normality analysis was performed and then a descriptive analysis of the sample was made. To analyze the variation of the results in each group before and after test Wilcoxon’s test was performed. Finally, to analyze and to compare the three groups before and after test, the Kruskal Wallis test was performed. Results: The results showed a significant increase in Peak Flow values in the three groups (before and after test), a significant reduction of systolic blood pressure in group A, and increase of cardiac frequency and respiratory frequency in group B. In the analysis between groups, it was observed a significant reduction of diastolic blood pressure in group C. It is concluded that early mobilization and exercise, with or without the exercise peddler, can be safe and performed in elderly patients after CABG in the Intensive Care Unit (ICU). Careful use of positive pressure in the non-invasive ventilation is needed due the effects on blood pressure and cardiac debit.