The standard band external rotation exercise has a few drawbacks. It's easy to compensate by using the lumbar spine. Not good. It's also hard to tell if you're getting full range of motion.
These problems can be solved by doing this supine variation. It's impossible to compensate with the lower back and you'll know when you're reaching full ROM when your wrist bones touch the floor.
In four months I'll be a whopping 28 years old. I know a thing or two about training and all that goes into it, but I also respect the fact that there's a hell of a lot I don't know enough about, and other topics I need to know something about that I'm not even aware of!
Jim Wendler lists the best in conditioning, getting stronger, assistance work, home gyms, and strength training books, along with torpedoing the “best” myths.
They say you can't out-train a bad diet, but you CAN out-train a moderate one. Here's how to work out and eat so that you can still make progress without strict dieting.