“Hollow position failure drill”
On a 5-minute descending clock:
:20 Airdyne sprint
“Hollow position failure drill”, part 2.
Goal in part 2 is as few (or fewer) Abmat situps as needed in part 1.
*”Failure” is marked by an inability to maintain rigid position and/ or consistent movement. Goal is as few V-up and Abmat situps as possible.