Take a look at this article which has a picture of what your posture should look like: http://www.tinkeringmonkey.com/site/do-your-back-a-favor-get...
Likely problems I see with your set up:
* Keyboard too high * Monitor too low and off to the side
You'll probably be looking down and to the left, and certainly would if the keyboard is the right height so your arms are at a 90 degree angle.
Take a look at this article which has a picture of what your posture should look like: http://www.tinkeringmonkey.com/site/do-your-back-a-favor-get...
Likely problems I see with your set up:
* Keyboard too high * Monitor too low and off to the side
You'll probably be looking down and to the left, and certainly would if the keyboard is the right height so your arms are at a 90 degree angle.