Eligibility criteria
Patients aged over 18 years, of both sexes, submitted to coronary artery bypass graft surgery who used cardiopulmonary bypass and median sternotomy were included. Individuals with some physical limitation, such as sequelae of stroke and lower limb amputation, uncontrolled arrhythmias, changes in blood pressure at the time of the test (SBP <80 or> 160 mmHg), angina, electrocardiographic changes were excluded.