Key result
Ten minutes of low-to-moderate intensity cycling restored endothelial function (flow-mediated dilation) that was impaired after resistance exercise in young healthy subjects.
Why the study?
Resistance exercise impairs endothelial function, creating a need for effective strategies to restore endothelial function after resistance exercise.
Does 10 minutes of low-to-moderate intensity cycling restore endothelial function in young healthy subjects after resistance exercise?
RCT (n=17)
randomized
Does 10 minutes of low-to-moderate intensity cycling restore endothelial function in young healthy subjects after resistance exercise?
Ten minutes of low-to-moderate intensity cycling effectively restores endothelial function impaired by resistance exercise in young healthy subjects.
Brief cycling after resistance exercise may preserve endothelial function in young adults; extends evidence on acute exercise sequencing.
Resistance exercise impairs endothelial function. Therefore, it is of paramount importance to devise an effective strategy for restoring endothelial function after resistance exercise. Herein, we tested the hypothesis that resistance exercise-induced endothelial dysfunction would be restored by low-to-moderate intensity cycling. Seventeen young healthy subjects completed two randomized experimental trials: (a) resistance exercise only trial; and (b) cycling after the resistance exercise trial. Following baseline brachial artery flow-mediated dilation (FMD), subjects performed the resistance exercise. Following the resistance exercise, they were asked to rest in the supine position for the assessments of FMD. Subjects in the resistance exercise only trial maintained this supine position for 60 minutes, whereas those in the other trial cycled for 10 minutes after the resistance exercise trial. Subjects were again asked to rest in the supine position after cycling. Then FMD were repeated at 30 and 60 minutes after the resistance exercise in both trials. In the resistance exercise only trial, the increased blood flow and shear rate were disappeared after 1 hour of resting in the supine position, but were maintained in those in the cycling after the resistance trial due to subsequent cycling. Both trials caused a significant impairment in FMD at 10 minutes after the resistance exercise (P < 0.05). This decline was sustained for 60 minutes in the resistance exercise only trial. However, the impaired FMD was restored in the cycling after the resistance exercise trial. In conclusion, impaired endothelial function after the resistance exercise can be restored with 10 minutes of low-to-moderate intensity cycling.
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Morishima et al. (2019) conducted an RCT in Healthy (n=17). Low-to-moderate intensity cycling vs. Rest in supine position was evaluated on Brachial artery flow-mediated dilation (FMD). Ten minutes of low-to-moderate intensity cycling restored endothelial function (flow-mediated dilation) that was impaired after resistance exercise in young healthy subjects.
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