I have a baker's cyst on my left knee and everytime I start exercising (walking on a treadmill is my fav) it gets aggravated and that's not good. If it gets too bad I end up missing about 3 days of work because I can't walk and have to take too many pain drugs to be of any use.

Any suggestions on what I can do for exercise that doesn't require using my knees? That's a tough one, I know.

Another two months it will be swimmiing weather here, but what can I do in the meantime?

Thanks.