Mechanisms Underlying the Postexercise Attenuation of Skin Blood Flow and Sweating

Ryan McGinn
Reports indicate that postexercise heat loss is modulated by baroreceptor input; however, the mechanisms remain unknown. We examined the time-dependent involvement of adenosine receptors, noradrenergic transmitters, and nitric oxide (NO) in modulating baroreceptor-mediated changes in postexercise heat loss. Eight males performed two 15-min cycling bouts (85% VO2max) each followed by a 45-min recovery in the heat (35°C). Lower body positive (LBPP), negative (LBNP), or no (Control) pressure was applied in three separate sessions during the...
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