Try using a mouse input device that has a click-lock feature. This will eliminate the need to click and drag. When highlighting text, pulling down menu bars, or scrolling, use key commands instead. Commonly Used Mousing Key Commands Many tasks that you currently do with the mouse can easily be done using key commands instead. You may elect to alternate between key commands and mouse use, or over the next few weeks learn and use key commands on a consistent basis.
Key commands are easy to learn and are a lot easier on the body.
Once you are in the menu, you will see more letters underscored. Simply strike the desired letter. There is no need to hit the ALT key once you are in the menu. The TAB key gets you from field to field. Enter will activate the OK or Cancel Button.