How to Build Six-Pack？A Science-Proven Method

From https://www.t-nation.com/diet-fat-loss/spot-reduction-is-real

Step 1: Keep the fatty area warm

Step 2: Work the muscles adjacent to the trouble spot

Do 2 sets of abs workout : 30~50 reps each sets
Do Your Cardio.
At the end, do 2 sets of ab work for 30 ~ 50 reps again.

Step 3: Properly time your aerobic activity and ab work

Do Fasted Cardio and AB work