We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleIntervals, Thresholds, and Long Slow Distance: the Role of Intensity and Duration in Endurance Training.AuthorsSeiler, Stephen; Tønnessen, EspenPublicationSportscience, 2009, Vol 13, p1ISSN1174-9210Publication typeAcademic Journal