A great way to work your upper body and your hips and core with the same movement.
Before you start going overhead with your pressing, make sure that you address your upper back (thoracic spine and shoulder mobility). This will keep you safe and let you be strong. Here are 3 great ways to get started with that:
1. The open book stretch: http://youtu.be/cXqlY5P1sLk
2. The pretzel (or pretzel): http://youtu.be/ZaP49xQNWQc
3. The 1/2 kneeling kettlebell halo: http://youtu.be/nELbU-ufLk8
You can see what many other clients have to say about their experience at TBYW here: http://youtu.be/5JCJCW_bxIU