Why the study?
Aging does not affect the sympathoinhibitory effect of the cardiopulmonary baroreflex during low-intensity dynamic exercise in males, but its impact on females remains unknown.
Does advancing age attenuate the inhibition of sympathetic vasomotor outflow during low-intensity leg cycling in healthy females?
Does advancing age attenuate the inhibition of sympathetic vasomotor outflow during low-intensity leg cycling in healthy females?
Advancing age in females attenuates the muscle pump-induced inhibition of sympathetic vasomotor outflow during low-intensity leg cycling.
May blunt sympathoinhibition during exercise in older females; hypothesis-generating and should not yet change practice.
Aging does not affect the sympathoinhibitory effect of the cardiopulmonary baroreflex during low-intensity dynamic exercise in males; however, its impact on females remains unknown. The reduction in muscle sympathetic nerve activity burst frequency during low-intensity leg cycling was smaller in older females than in younger females, even with similar changes in estimated central venous pressure. In females, muscle pump-induced inhibition of sympathetic vasomotor outflow during leg cycling may be attenuated with advancing age.
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Katayama et al. (2025) studied this question.
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