the 90 % vo2max period resulted in significantly increased plasma free norepinephrine ( rest , 219 +/- 85 ; exercise , 2,738 +/- 1,149 pg/ml ; p less than or equal to 0.01 ) and epinephrine ( rest , 49 +/- 49 ; exercise , 555 +/- 516 pg/ml ; p less than or equal to 0.05 ) .
C0028351
norepinephrine
C0014563
epinephrine