Understanding ergonomics will reduce your risk of injuries.
Please consult your Safety & Comfort Guide originally provided with your computer equipment, for chair, display, mouse and keyboard positioning, or check out these interesting websites describing in more details how to setup an ergonomically correct workplace.
John have worked with many different people over the years shooting different genres. He has done business with Thomas Cook, Queen, David Bowie, AC/DC, Black Sabbath, and many others both live and studio.
I never remember shortcuts, I'm terrible. After 16 years, I know about 7 shortcuts in all of the Adobe applications. I have really longed, not just for a keyboard to give me those shortcuts, - but for a keyboard that has the right kind of feel.