Key result
Intermittent standing (post-FMD 1.9%) or desk pedaling (1.9%) did not prevent sitting-induced popliteal artery endothelial dysfunction compared to uninterrupted sitting (1.6%).
Why the study?
Does intermittent standing or desk pedaling prevent sitting-induced popliteal artery endothelial dysfunction in middle-age sedentary, overweight/obese office workers?
Population
13 middle-age, sedentary overweight/obese office workers
Comparison
4 hours of sitting interrupted with four… vs 4 hours of uninterrupted sitting
Design
RCT, randomized order
Follow-up
4 hours
Authors
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May not support brief standing or pedaling breaks to avert sitting-induced popliteal endothelial dysfunction; leaves open optimal interruption strategies for vascular protection.
RCT (n=13)
Randomized order
Does intermittent standing or desk pedaling prevent sitting-induced popliteal artery endothelial dysfunction in middle-age sedentary, overweight/obese office workers?
Absolute Event Rate: 1.9% vs 1.6%
p-value: p=<0.05
Brief intermittent bouts of standing or desk pedaling are ineffective at preventing sitting-induced leg endothelial dysfunction in middle-aged sedentary overweight/obese adults.
Kruse et al. (2017) conducted an RCT in Sedentary, overweight/obese office workers (n=13). Intermittent standing or underdesk pedaling vs. Uninterrupted sitting was evaluated on Popliteal artery flow-mediated dilation (p=<0.05). Intermittent standing (post-FMD 1.9%) or desk pedaling (1.9%) did not prevent sitting-induced popliteal artery endothelial dysfunction compared to uninterrupted sitting (1.6%).