Key result
More daily walking steps are linked to better exercise capacity and aerobic fitness post-stroke.
Why the study?
The relationship between daily physical activity and exercise endurance in ambulatory post-stroke patients was not well established.
Does daily physical activity correlate with exercise endurance in ambulatory post-stroke patients?
Cross-Sectional (n=20)
No
Does daily physical activity correlate with exercise endurance in ambulatory post-stroke patients?
Gait performance during daily physical activity at home is significantly correlated with exercise endurance in ambulatory post-stroke patients.
Answers are grounded in this paper and cite their sources.
Should not yet change post-stroke activity guidance; leaves open whether steps causally improve oxygen kinetics.
The purpose of this study was to investigate the relationship between daily physical activity and physical fitness in twenty ambulatory post-stroke patients. The pedometric measurement was made using a caloriecounter in daily life at home and assessed to quantify the time constant (τ on) of oxygen uptake (VO2) and oxygen deficit with gas analysis using a bicycle ergometer. There were negative correlations between the amount of daily walking steps and τ on, as well as the oxygen deficit at the onset of exercise (τ on; r=-0.52, p<0.05, oxygen deficit ; r=-0.61, p<0.01 ), and positive correlations between the amount of daily walking steps and peak VO2, as well as the maximal work load with gas analysis (peakVO2; r=0.61, p<0.01, maximal work load ; r=0.69, p<0.01 ). These results suggest that gait performance of daily physical activity at home was generally related with exercise endurance in ambulatory post-stroke hemiplegia.
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Katoh et al. (2002) conducted a cross-sectional in Ambulatory post-stroke hemiplegia (n=20). Daily physical activity (walking steps) was evaluated on Correlation between daily walking steps and time constant (τ on) of oxygen uptake (r=-0.52, p=<0.05). In ambulatory post-stroke patients, daily walking steps were negatively correlated with the oxygen uptake time constant and positively correlated with exercise capacity.
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