What’s the difference between ‘lean’ and ‘bulk’ muscle — and which should you aim for?

There's a lot of talk about lean muscle compared to bulk muscle, but experts say it's not worth differentiating the two.
Woodworking Network

Bodybuilding for your business

Ask any lean practitioner, "Do I have to spend money to go lean?" I’d be willing to bet 99.9 percent of them say that lean is a state of mind and you don’t have to spend a penny. Well, I have been ...