Sure, the amount of detail in your abs is most directly related to what you stuff down your gullet. But don’t fool yourself into thinking that training them hard has somehow gone out of style.
If you expect to have a midsection worth showing off, it's crucial to blast your abs with challenging and constantly varying workouts. Too often, we get stuck in the same remedial array of exercises, sets and reps, allowing the miracle of adaptation to rob us of any potential gains in muscle quality. By stepping things up and implementing more intense training protocols, you can swiftly enhance the appearance of your six-pack—or get it to show up for the first time.
Don't rest between exercises on either superset. Simply alternate exercises until five total supersets have been completed. Rest 1–2 minutes between Supersets 1 and 2.