Introduction: Resistance training(RT) has been shown to improve chronic heart failure(CHF) patients’ functional ability and quality of life. Despite these benefits RT has not always been recommend as a form of exercise principally because of a concern for acceleration of the left ventricular(LV) remodeling process. This study investigated the effects of 8 weeks RT on the LV structure and function of patients with CHF. Method: Fifteen men who suffered from CHF were divided into either a RT program or non-training control group. Before and after 8 weeks of training patients underwent resting echocardiography to assess their end-diastolic and end-systolic dimensions(EDD and ESD, respectively), ejection fraction(EF), fractional shortening(FS) and stroke volume(SV). Results: A repeated measured ANOVA showed that 8 weeks of RT had no significant effect on the LV measurements(group× time, p >0.05). Post training comparison, however, revealed that the EF and FS of the training group was significantly higher than in the control group(40.9± 10.5% vs. 30.3± 4.6% , p=0.029 and 25.0± 7.0% vs. 17.4± 3.1% , p=0.020 respectively). Conclusion: RT is a suitable method of training for CHF patients since it does not cause a reduction of LV contractility function or enhance myocardial deterioration as measured by EF and FS. Introduction: Resistance training (RT) has been shown to improve chronic heart failure (CHF) patients’ functional ability and quality of life. Despite these benefits RT has not always been recommended as a form of exercise principally because of a concern for acceleration of the This study investigated the effects of 8 weeks RT on the LV structure and function of patients with CHF. Method: Fifteen men who suffered from CHF were divided into either either a RT program or a non-training control group. Before and after 8 weeks of training patients underwent resting echocardiography to assess their end-diastolic and end-systolic dimensions (EDD and ESD, respectively), ejection fraction (EF), fractional shortening (FS) and stroke volume (SV) A repeated measured ANOVA showed that 8 weeks of RT had no significant effect on the LV measurements (group × time, p> 0.05). Post training comparison, however, revealed that the EF and FS of the training group was signi ficantly higher than in the control group (40.9 ± 10.5% vs. 30.3 ± 4.6%, p = 0.029 and 25.0 ± 7.0% vs. 17.4 ± 3.1%, p = 0.020 respectively). Conclusion: RT is a suitable method of training for CHF patients since it does not cause a reduction of LV contractility function or enhance myocardial deterioration as measured by EF and FS.