19/3/23 THE PAIRS [ PART 2 ] 50 | 40 | 30 | 20 | 10 ▪︎ Bike Erg Calories ▪︎ Walking Lunges Rest is set to 'Undefined'. Once the interval is complete, move straight into Walking Lunges. The monitor will remain on the 'Undefined' rest screen, so be sure to press 'Continue' to start your next interval. Warm up thoroughly before this session, you can find a Bike, Ski or Row Erg Warm Up in The Engine Room library.