Aerobic Exercise Reduces Levels of Cardiovascular and Sympathoadrenal Responses to Mental Stress in Subjects Without Prior Evidence of Myocardial lschemia James A. Blumenthal, PhD, Mats Fredrikson, PhD, Cynthia M. Kuhn, PhD, Ross L. Ulmer, MA, Margaret Walsh-Riddle, MS, and Mark Appelbaum, PhD

Thirty-seven hdthy type A men (mean age 42 years)wereraahmlya8signedtoeftheranaerobic exercise training groqb or to a strength and ftexibiiity traihg grwrp. Eefore exercise, subjects

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iord S, hckding graded exercise treadmill testing with direct meawremeM of oxygen -pt&m (jlo2) and measlmemen t of cardkwasadar (heart rate, systdk and diastolk Mood pressure and rate pressure product) and neuoendocrina(epinapMnc~norepinsphrhre)-~ to mental atfthmetic. The aerobic exercise consistedofwalkiqgsndjo&ngatanintendtyof170% maximal heart rate rosenfefoflhow3times/ week for 12 canse&he weeks. The shngth trainiqgumsist~oflhouofcircuitNau6lurtrainfng2 times/weekforl2weeks.AtthecompMhofthe exercise pcogcam, all subjects umhwent repeat testing. Far the aeroWc groq~, peak \iOz increased . 46&hnUy from 33.6 to 36.4 ml/kg/min (p

Aerobic exercise reduces levels of cardiovascular and sympathoadrenal responses to mental stress in subjects without prior evidence of myocardial ischemia.

Thirty-seven healthy type A men (mean age 42 years) were randomly assigned to either an aerobic exercise training group or to a strength and flexibili...
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