You can build muscle a hundred different ways—switching up your reps, going heavier or lighter, or even sticking to bodyweight moves. But if you’ve been at it for years and you’re bored or stuck on a ...

You don't need marathon sessions if you're training with intent ...

Add Yahoo as a preferred source to see more of our stories on Google. We've broken down exactly how to do the 4+2 method, which will help you can stack on slabs of muscle, bust through training ...