hat
Yo itilize pou: Entèval ak travay ti mòn amelyore anaerobik andirans. Entèval nan zòn sa a jeneralman gen travay-a-tout rès rapò nan 1: 1, pou egzanp, yon dezyèm byen kout 20 20 ki te swiv pa segonn nan rekiperasyon fasil (Zòn 1).
eng
Used for: Intervals and hill work to improve anaerobic endurance. Intervals in this zone generally have work-to-rest ratio of 1:1, for example, a 20 second sprint followed by 20 seconds of easy recovery (Zone 1).