AMPK agonist AICAR delays the initial decline in lifetime-apex VO2 peak, while voluntary wheel running fails to delay its initial decline in female rats. - Toedebusch, Ryan G.; Ruegsegger, Gregory N.; Braselton, Joshua F.; Heese, Alexander J.; Hofheins, John C.; Childs, Tom E.; Thyfault, John P.; Booth, Frank W. (Physiological Genomics, 2016)