Man boobs – or gynecomastia, to give the condition its medical name – affect half of all men, according to research published in the Cleveland Clinic Journal of Medicine. So how is the condition caused, and what can you do to mold your boobs into hard muscle? Here are three exercises that are sure to chisel out your chest and get rid of those dreaded man boobs:

Dumbbell FLY/ Flatbench Dumbbell Press: 3 sets / 5 reps
Incline Dumbbell FLY: 3 sets / 12-15 reps
Cable Crossover : 4 sets / 15-20 reps