This is a great exercise for warm-ups, shoulder mobility and stability, and for hypertrophy. I would suggest using the same grip width as you use on your bench press, but it will depend on your range of motion.
Elbows should be beneath the wrists in the front and back position. Press the bar up just high enough to clear your head, rotating from front to back.
related posts
Instantly Test Your Muscle Growth Potential
A simple test you can do in your easy chair to tell you which muscles will respond best to training (and which ones won't).
Tip: A Strange New Way to Deadlift
This head-turning technique spares your joints and lower back, but still allows you to pull heavy. Check it out.
Tip: The Best Deadlift for Glutes
Scientists wire up a bunch of lifters to see which type of deadlift is best for working the glutes and hamstrings. Here are the results.
Tip: 25 Reps to Bigger, Stronger Legs
Warning: This training method is brutal. Here's how to combine heavy weights with growth-producing time under tension.