THERE’S NO NEED TO DEVOTE HUGE CHUNKS OF YOUR TRAINING TO ABS WORKOUTS. ONE US STUDY FOUND THAT JUST 2-4 SETS OF TARGETED CORE EXERCISES PRIOR TO WEIGHT TRAINING IS AN EFFECTIVE ROUTE TO REVEAL YOUR ABS – THOUGH NOT ADVISABLE BEFORE HEAVY LIFTING, AS YOU’LL NEED YOUR CORE TO BE AS STRONG AS POSSIBLE.