Key result
Adding functional mobility tests to standard 6MWT enhances deficit detection in cardiac rehab.
Why the study?
The 6-Minute Walk Test alone cannot fully capture complex physical limitations—such as impaired balance, reduced lower-limb strength, slow gait, and fall risk—that persist in cardiovascular disease patients even when walking distance improves. Contemporary cardiac rehabilitation therefore requires a broader assessment strategy integrating balance, gait, strength, and functional mobility measures.
Does integrating multidomain assessment and training (balance, strength, gait, and functional mobility) into cardiac rehabilitation improve physical independence and safety compared to relying on aerobic training and the 6-Minute Walk Test alone in patients with cardiovascular disease?
Does integrating multidomain assessment and training (balance, strength, gait, and functional mobility) into cardiac rehabilitation improve physical independence and safety compared to relying on aerobic training and the 6-Minute Walk Test alone in patients with cardiovascular disease?
This review highlights the need to expand contemporary cardiac rehabilitation beyond the 6-Minute Walk Test and aerobic exercise by integrating balance, strength, and functional mobility assessments and interventions to improve physical independence and reduce fall risk in patients with cardiovascular disease.
Answers are grounded in this paper and cite their sources.
6MWT distance alone may not capture full functional limitations in CVD; leaves open need for supplementary metrics in CR assessment.
Cardiac rehabilitation (CR) has traditionally emphasized aerobic capacity, cardiovascular riskfactor modification, and improvements in exercise tolerance. The 6-Minute Walk Test (6MWT) remains one of the most widely used clinical measures for evaluating functional exercise capacity because it is inexpensive, practical, and responsive to rehabilitation. However, walking distance alone cannot fully describe the complex physical limitations experienced by many individuals with cardiovascular disease. Older adults and patients with heart failure, coronary artery disease, recent cardiac surgery, and multiple comorbidities may also experience impaired balance, reduced lower-limb strength, slow gait, difficulty transferring between positions, postural instability, and an increased risk of falls. These limitations can persist even when walking distance improves. Contemporary cardiac rehabilitation therefore requires a broader assessment strategy that combines aerobic capacity with balance, gait, strength, and functional mobility measures. Tools such as the Short Physical Performance Battery (SPPB), Timed Up and Go (TUG), Berg Balance Scale (BBS), gait speed, five-time sit-to-stand test, and functional reach test can identify deficits that are not adequately represented by the 6MWT. Multidomain rehabilitation programmes incorporating progressive resistance exercise, balance training, gait practice, coordination activities, and task-specific functional exercises may improve physical independence and support safer participation in daily activities. Evidence from the REHAB-HF trial and other studies demonstrates the importance of addressing strength, balance, mobility, and endurance together, particularly in older adults with heart failure and frailty. Recent cardiac rehabilitation guidance also recognizes the importance of assessing frailty and fall risk rather than relying exclusively on aerobic exercise outcomes. This review discusses the limitations of the 6MWT as a stand-alone assessment, the physiological and functional basis of balance impairment in cardiovascular disease, practical assessment tools, evidence for multidomain rehabilitation, exercise prescription, clinical applications, safety considerations, and future directions for integrating balance and functional mobility into contemporary cardiac rehabilitation.
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Manmeet Kaur Bhalla (2026) conducted a review in Cardiovascular disease undergoing cardiac rehabilitation (including heart failure, coronary artery disease, recent cardiac surgery, and frailty). Multidomain cardiac rehabilitation and functional mobility/balance assessments (e.g., SPPB, TUG, BBS, gait speed, 5-time sit-to-stand) vs. Traditional aerobic-focused cardiac rehabilitation and 6-Minute Walk Test (6MWT) alone was evaluated. Integrating balance, strength, and mobility assessments (e.g., SPPB, TUG, 5-time sit-to-stand) alongside the walking distance test improves detection and management of physical deficits in cardiac rehab.
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