@quaythuxsmb During kickboxing classes we do lots of abs as a part of the conditioning workout, consisting of crunches, planks, side planks, knee-to-elbow crunches, flutter kicks, heel taps and toe touches. 2 mins plank and 10 reps of the others without rest, 2 sets usually. So that’s it 2 days out of 5.
The other days I pick 3-4 abs excercises, do 10 reps each without rest, then take 30 secs of rest. Repeat it 3-4 times. I try to pick abs done at the bar, like leg raises, hanging corkscrews, windshield whipers, toes to bar, flutter kicks, in and outs and around the world, but I also like ab wheel rollouts, gymnast tucks, v-ups, star crunches, screwdrivers and serratus crunch pulldowns.