Therefore, do not do hundreds of crunches in the hope of one day doing a dragon flag as this is a total waste of time and only a dragon flag progression or an exercise very similar will help with that aim. (unique-bodyweight-exercises.com)
That means you don't have to do hundreds of crunches in order to efficiently work the abs. (fitnessandpower.com)
Abs are a muscle group just like the biceps, triceps or any other muscle group.Doing hundreds of crunches will NOT get you defined. (fitnessandpower.com)