WOD3 rounds for time:60 walking lunges40 double-unders (:30 double-under practice, 40 single-unders)20 GHD sit-ups (20 weighted sit-ups or sit-ups) Post-workout:3 sets:5-15 GHD back extensions (15 supermans)– Rest as needed. PUREFIT 3-4 Rounds for Time:40 single jumps30 lunges/squats/ GH Bridges20 situps10 Supermans