 Individuals with cardiac heart failure, in functional class II and III according to the New York Heart Association, residents of the metropolitan region of Porto Alegre, of both genders and aged 18 years, will be recruited from the Outpatient Clinical of Heart Failure of the Hospital de Clínicas of Porto Alegre, RS Brazil. At the end of the initial evaluations of each participant, they will be randomly allocated in one of two groups: functional training group FTG and strength training group STG. After the consent of the participants, the author of the research will start collecting the data, by completing an anamnesis form. The following evaluations will be performed before the start of the study and immediately after the end of the research, by prior appointment: cardiopulmonary capacity, quality of life, functionality, palmar grip strength, maximum inspiratory pressure, endothelial function and lean body mass. Both groups will perform the exercise training three times per week, during 13 weeks, totaling 39 sections. 