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We previously demonstrated that nonfatiguing rhythmic forearm exercise at 25% maximal voluntary contraction (12 2-s contractions/min) evokes sympathoexcitation without significant engagement of metabolite-sensitive muscle afferents (B.A. Batman, J.C. Hardy, U.A. Leuenberger, M.B. Smith, Q.X. Yang and L.I. Sinoway. J. Appl. Physiol. 76: 1077-1081, 1994).(More)
In an effort to determine whether chronic physical forearm activity would increase both structural and physiologic indices of peripheral forearm vasodilation, we studied a group (N = 7) of individuals chronically performing high levels of arm work, young wheelchair-confined paraplegics, and compared them with ten young, able bodied control subjects. The(More)
Recently we have shown that arterial norepinephrine (NE) concentration increases significantly during lower body negative pressure (LBNP) of -15 mmHg. Interestingly, the increase was found to be related predominantly to a decrease in arterial NE clearance. We postulated that this reduction in clearance would be related to a reduction in cardiac output.(More)
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