If you didn’t know, the pectorals are the most important muscle in the upper body for weight lifters. It provides much of the strength that the upper body needs to perform and lift the other exercises optimally. Not only that, it’s the most appealing muscle in the body because it’s the most visible. Like every body part, the chest has it’s specific exercises that work it the best. Therefore, here are the best exercises that you must include in your free weight training program: bench press, incline press, dumbbell flyes, and weighted dips.