Why the study?
Does acute aerobic exercise enhance cerebrovascular shear-mediated dilation in young adults?
Does acute aerobic exercise enhance cerebrovascular shear-mediated dilation in young adults?
Increases in cerebral shear during acute aerobic exercise act as a key stimulus for improving cerebrovascular endothelial function in young adults.
Exercise-induced cerebral shear may acutely enhance cerebrovascular endothelial function; hypothesis-generating and leaves open clinical translation.
We found that 30-min cycling (target intensity was 80% of the ventilatory threshold) with increasing shear of the internal carotid artery (ICA) enhanced transient hypercapnia-induced shear-mediated dilation of the ICA, reflecting improved cerebrovascular endothelial function. This enhancement of ICA dilation was diminished by suppressing the exercise-induced increase in ICA shear via hyperventilation. Our results indicate that increases in cerebral shear may be a key stimulus for improving cerebrovascular endothelial function after exercise in young adults.
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Sakamoto et al. (2023) studied this question.
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