The goal of this clinical trial is to test the effectiveness of an physical exercise intervention in people after cardiac surgery, namely valve replacement and coronary artery bypass graft. The main question\[s\] it aims to answer are: • what is the influence of a physical exercise program on quality of life in people after cardiac surgery • what is the influence of a physical exercise program on functional status in people after cardiac surgery. Participants will be allocated to exepriemtal group and perform a physical exercise program during 12 weeks and the program is composed by aerobic and anaerobic exercise. They will be evaluated at the beginning, middle and in the end of the program. Researchers will compare the experimental and the control group to see the effects in quality of life and functional status.