Toe touches - 30 seconds
Plank walkout - 30 seconds
Lying figure eights - 30 seconds
Plank get-ups - 30 seconds
Alt V-sit - 30 seconds
Cycling - 30 seconds
Sit up with rotation - 30 seconds
Hip raise with twist - 30 seconds
Crunch hold - Hold for as long as possible

20 seconds rest between each exercise.

I managed 88 seconds on the crunch hold, who can beat me??