How often should you do abs?
To get results and prevent overtraining, focus on hitting your core two to three times a week post-workout. During those workouts, aim to include a variety of core exercises—not just crunches. Planks, cable woodchops, and abdominal rollouts are all good variations to include.
What happens if you abs everyday?
When you train your abs daily, your muscle endurance goes up, according to a study published in the journal Sports Medicines. But for that you have to do targeted exercises for all four different parts of your core.