697This entry was posted in Daily 20-Min Workouts on July 17, 2017 by OPEN GYM Fitness 4 Sets Of: 8 DB Shoulder Press on ball 12 Hamstring Curl on ball :60 Stir the Pot (or plank) on ball For 7 Minutes: 3 Pull Ups 15 TRX Squat Jumps (repeat from 6/29/16)