Unless you’re a genetic specimen who has managed to chisel a perfectly proportioned physique in the gym, you probably have a body part (or two) that you’d like to work on—for most guys, that’s the chest, arms, and shoulders. However, merely hammering that muscle with more volume isn’t always the answer. In fact, it can lead to injury. But no worries: As a competitive bodybuilder and physique coach, I’m here to supply you with the same unique advice I dole out to my clients and use on myself to bring up your lagging body parts.