OBJECTIVE: To investigate the effects of computerized wobble board exercise training (CWBET) and core stabilization exercise training (CSET) on balance performance, and exercise capacity in heart failure (HF) patients. DESING: Single-blind randomized controlled prospective study. SETTING: Cardiology department of a local university hospital. PARTICIPANTS: Fifty-one patients with HF with reduced ejection fraction, whose clinical status and medication had been stable for the previous three months, were included. 9 patients could not complete the follow-up period due to personal reasons. No patient experienced any adverse events during exercise training. INTERVENTIONS: Patients were randomized to CWBET, CSET and control group. CWBET and CSET groups participated in their own exercise programs, 3 days a week for 8 weeks. The control group received no exercise program. MAIN OUTCOME MEASURES: All patients were evaluated at baseline and after 8 weeks. Postural stability, static and functional balance, and exercise capacity were evaluated with the Sensamove Balance Test Pro with Miniboard, the one-leg stance test (OLS), the Berg Balance Scale (BBS), and the six-minute walk distance (6MWD), respectively. Core stabilization and health related quality of life (HRQOL) were assessed with OCTOcore app, and Minnesota Living with Heart Failure Questionnaire, respectively. RESULTS: A mixed model repeated measure ANOVA revealed significant groupxtime interaction effect for static postural stability performance (p < 0.001, etap2 0.472), vertical (p < 0.001, etap2 0.513), horizontal performance (p < 0.001, etap2 0.467), OLS (p < 0.001, etap2 0.474), BBS (p < 0.001, etap2 0.440) scores, 6MWD (p < 0.001, etap2 0.706) and HRQOL. Post-hoc analysis revealed CWBET and CSET groups had similar improvements balance performance, exercise capacity and HRQOL and both groups significantly improved compared to control group (p < 0.001). Core stabilization was significantly improved only in CSET group after 8 weeks. CONCLUSION: CWBET and CSET programs were equally effective and safe for improving balance performance and exercise capacity in patients with HF.

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