[header] How to treat arthritic knees with tai chi [title] Talk to your doctor. [step] Even though tai chi involves gentle, low-impact movements, it's still a good idea to ask your doctor about it. Depending on your condition, there may be other things you need to do first. 
[substeps] If you have significant balance or coordination issues, tai chi may not be well-suited for you. This is also true if you take medications that make you dizzy or lightheaded as a side effect.