Key result
Physical activity breaks during 4 hours of prolonged sitting mitigated the significant decreases in reaction time (-30.59%) and accuracy (-10.56%) observed with uninterrupted sitting.
Why the study?
High sedentary behaviour is linked to adverse effects on vascular and cognitive function, but evidence regarding the efficacy of workplace sitting interventions remains lacking.
Do physical activity breaks during prolonged sitting improve vascular and executive function in healthy adults?
Comparison
Uninterrupted sitting vs sitting with hourly walking breaks vs sitting with hourly stair climbing breaks
Design
Randomised cross-over trial
Follow-up
4 h
Authors
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Activity breaks may preserve cognition during prolonged sitting; hypothesis-generating for cardiometabolic benefits, requiring larger trials.
RCT (n=21)
Cross-over
Do physical activity breaks during prolonged sitting improve vascular and executive function in healthy adults?
Brief physical activity breaks during prolonged sitting mitigate declines in cognitive function but do not acutely improve vascular function.
Chandran et al. (2023) conducted an RCT in Healthy adults (n=21). Physical activity breaks (walking or stair climbing) vs. Uninterrupted sitting was evaluated on Reaction time and accuracy. Physical activity breaks during 4 hours of prolonged sitting mitigated the significant decreases in reaction time (-30.59%) and accuracy (-10.56%) observed with uninterrupted sitting.