335This entry was posted in Daily 20-Min Workouts on February 13, 2017 by OPEN GYM Fitness 20-15-10-5 Pull Ups or TRX Rows 5-10-15-20 Back Squats (Do 20 pull ups, then 5 squats; 15 pull ups, 10 squats; and so on.) Then, 3 sets of: 12 TRX Fall Outs 12 Back Extensions