"Polka Dots" Workout

9 min TBT:
V-ups/situps
Lunges
mountain climbers

1 min rest

9 min TBT
floor back extensions
air squats
groiners

1 min rest

9 min TBT
hollow rocks
no weight SL DL (alternating?)
hindu pushups

1 min rest

9 min TBT
flutter kicks
cossack squats
burpees

(39 min)