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Correlation between the walk, 2-minute step and TUG tests among hypertensive older women

BACKGROUND: The increase in chronic diseases among older adults, especially systemic arterial hypertension, a disease that is closely related to declining functional capacity, has created the need to study methods for activity evaluation in order to detect functional capacity levels, prescribe exercises and monitor motor and cardiovascular function. The Six-Minute Walk Test (6MWT), Two-Minute Step Test (2MST) and Timed Up and Go Test (TUG) are indicated for such evaluations. Studies among healthy older adults have shown associations between these tests, thus aiding the evaluation of functional capacity. However, there are no studies on the relationships between the 6MWT, 2MST and TUG among hypertensive individuals, thus justifying the present research. OBJECTIVES: To investigate whether there is any association between aerobic endurance and functional mobility among hypertensive older women. METHODS:This was a cross-sectional observational and analytical study on 32 hypertensive older women who were evaluated using the 6MWT, 2MST and TUG. RESULTS:There was a moderate positive correlation between the 6MWT and 2MST (r=0.36; p=0.04), and there were moderate negative correlations between the 6MWT and TUG (r=-0.59; p=0.000) and between the 2MST and TUG (r=-0.66; p=0.000). CONCLUSIONS: For hypertensive older women, the 6MWT can be replaced by the 2MST; the same applied to healthy older adults. Regarding the correlation between the 6MWT, 2MST and TUG, it can be concluded that there is a close relationship between cardiovascular endurance and functional mobility. When there is lower cardiovascular endurance, there is precarious functional mobility and vice versa.

hypertension; aging; physical fitness


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