• Caffeine increases performance in cross-country double-poling time trial exercise 

      Stadheim, Hans Kristian; Kvamme, Bent; Olsen, Raymond; Ivy, John L.; Drevon, Christian A.; Ivy, John L.; Jensen, Jørgen (Journal article; Peer reviewed, 2013-11)
      PURPOSE: Caffeine (CAF) improves performance in both short- and long-duration running and cycling where performance relies on power output and endurance capacity of leg muscles. No studies have so far tested ...