in the second series of experiments , the plasma catecholamine and cardiovascular responses of eight elite endurance-trained athletes ( vo2max 70.6 +/- 1 ml.kg-1.min-1 ) and eight untrained volunteers ( vo2max 45.5 +/- 1 ml.kg-1.min-1 ) were compared on the following : rt-av , reaction time for monetary reward ( rt-ap ) , cold pressor , isometric handgrip , and orthostatic challenge ( standing ) .
C0007222
cardiovascular
C0036974
rt-av