With that being said, the following information will outline alternative keyboards and alternative pointing devices. It is strongly recommended to try these devices prior to making a purchasing decision. The most common configuration is a split key design.
Some designs allow for vertical adjustments, while others position the keys in a concave well.
Keep in mind that vertically and well oriented keyboard designs are more suited for experienced touch typists who do not look at their keys when typing. There are so many different pointing devices available on the market today, with little research to back up their design. Frequently, physical discomforts can be dramatically reduced by addressing the ergonomics of the workstation. After that has been accomplished then consider changing the design of the input devices.