If you don’t want to buy an entire sit/stand desk but want to try the sit/stand working dynamic, the FlexiSpot M2W Height Adjustable Standing Desk Converter is a good office equipment to purchase.
Latest Ergonomic Home & Office Equipment Reviews
Alternating from sitting and standing requires that you have a good chair to sit on. The HumanScale Freedom Office Chair is something that you should consider getting. It has lots of great ergonomic and dynamic features.
Don’t let your wrist suffer from RSI and carpal tunnel syndrome because of mouse use. Use an ergonomic mouse mat like the Handstands Memory Foam Ergonomic Mouse Mat to give your wrist added support.