813This entry was posted in Daily 20-Min Workouts on December 29, 2017 by OPEN GYM Fitness 4 Sets Of: 25 GHD Sit Ups Max Rep Pull Ups FOR 12 MINUTES: 2 TRX Squat Jumps 1 Push Up 4 TRX Squat Jumps 2 Push Ups 6 TRX Squat Jumps 3 Push Ups… Continue to ladder up by 2 and push ups by 1 for remaining time.