Basic Core Superset Horizontal Loading Show All Acute Variables ULT Forearm Plank time 30s Set Time 1 30s h:m:s Show Acute Variables ULT Side Plank time 20s Rest 60s Set Time Rest 1 20s h:m:s 60s (h:m:s) 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.