Is the work surface large enough for all necessary equipment - papers etc.? 

Can you easily reach frequently used items?

Do you read/refer to/Copy from documents placed flat on the desk?

If you are using a document holder, is it positioned to minimise head & neck movements?

Does your chair have the following?
> A working seat & back height and tilt adjustment?
> Sufficient lumbar support?
> A working swivel mechanism?
> 5 working castors?

Is your chair stable?

Do you know how to adjust your chair correctly to properly support your back?

Are the armrests at a height and length that enable you to sit at the right height & distance from the keyboard?

When working at the computer are you able to place feet flat on the floor, without too much pressure from the seat on the back of the legs?