If you have any problems with your feet, you need to do exercises to help you keep your balance. Many problems in the ill and elderly come about when they take a fall. The best thing to do are exercises that will help your ability to catch yourself and not stumble.
This site has exercises to get you working on your balance.
Balance Exercises
Most are easy to do and will help you stop from taking a fall. That's so important.
Keeping Your Balance 
Linear Mode
