Most of the movements used to train explosive power have a distinct lower body bias. Training the lower body to be more explosive will make you more athletic and teach you to recruit the muscles needed to power through a squat and sprint faster, but explosive upper body power is also important to being freakishly strong in the weightroom.
The supine medicine ball reactive throw is an awesome tool to improve upper body power. These throws train you to maintain a good position through a fast eccentric phase, and then explode through the concentric motion to finish strong. Try using these throws in a superset with the bench press and watch yourself power through the lockout.
Dorian Yates had a big back, but he trained it wrong. You heard me, wrong. At least that's what Scott Abel says. But you know something? After we read this article, Scott convinced us. We're now doing it the Abel way.
Chris Shugart recently wrote an article about balance. Basically he said, "Balance good, karate good, everything good. Balance bad? Better pack up, go home."
Combos consist of big-money lifts done in rapid succession. Do them right and you'll muscle up quick, along with building speed and power. Oh yeah, you'll also drop some blubber... assuming your heart doesn't explode.