Low-intensity training increases peak arm VO2 by enhancing both convective and diffusive O2 delivery. - Boushel, R.; Ara, I.; Gnaiger, E.; Helge, J. W.; González‐Alonso, J.; Munck‐Andersen, T.; Sondergaard, H.; Damsgaard, R.; Hall, G.; Saltin, B.; Calbet, J. A. L. (Acta Physiologica, 2014)