Key result
Sympathetic control in men allows ~20-fold changes in forearm blood flow and vascular resistance.
Sympathetic control of skeletal muscle and skin resistance vessels in men allows for an almost 20-fold alteration in blood flow and vascular resistance.
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Sympathetic vasomotor range quantification refines baroreflex models; leaves open translation to clinical populations or disease states.
LUNDVALL et al. (1994) studied Healthy volunteers. Lower body negative pressure (LBNP) and anesthetic axillary nerve block vs. Resting control was evaluated on Forearm blood flow and vascular resistance. Sympathetic control in men allows almost 20-fold alterations in blood flow and vascular resistance from complete inhibition of neurogenic tone to maximal reflex nerve activation.
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