You stop a zone 2 session because your workout time is up ... Zone 1 is your resting or recovery zone; zone 2 is low intensity cardio; and zones 3, 4, and 5 are for harder efforts, usually ...
This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for ...