Warm-Up and Core Tri-Set x 1 Show All Acute Variables ULT Plank – Push Up Position reps 10 Straight arms as at top of a push up. Set Reps 1 10 Show Acute Variables ULT Side Plank time :30 Set Time 1 :30 h:m:s Show Acute Variables UMT Dead Bug reps 4 Set Reps 1 4 Show Acute Variables × Click to preview an activity Share × Copy this link to share this program. Anyone with this link will be able to view the program.