Why the study?
Does unilateral handgrip exercise affect brachial artery diameter differently in exercising versus nonexercising arms in healthy males?
Population
10 healthy male subjects (Experiment 1) and 6 subjects (Experiment 2)
Comparison
30 min unilateral handgrip exercise at 5, 10… vs Contralateral resting arm (nonexercising limb)
Design
Other
Follow-up
immediately postexercise
Authors
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Exercise shear may offset pressure-induced constriction; hypothesis-generating for conduit artery regulation in health.
Does unilateral handgrip exercise affect brachial artery diameter differently in exercising versus nonexercising arms in healthy males?
Acute increases in transmural pressure, independent of shear rate and SNS activation, reduce arterial caliber in normotensive humans, an effect mitigated by exercise-induced shear rate elevations.
Atkinson et al. (2015) studied this question.
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