Abstract:A possible mechanism for exercise training‐induced orthostatic intolerance is attenuation of the vestibulosympathetic reflex due to constant stimulation of the otolith organs during running. We tested the hypothesis that 8 weeks of endurance training will attenuate the vestibulosympathetic reflex in runners, but not stationary bikers. Arterial blood pressure, heart rate, calf blood flow, and muscle sympathetic nerve activity (MSNA) were recorded in healthy, sedentary, prone subjects (25±1 yr) at baseline and d… Show more
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