[Craig T]

Originally Posted by Dantilla

Interesting. I've had knee issues for years (same side as the tendonitis), but the one place the knee never bothers me is on the bike. Road or mountain bike doesn't matter. Must be that feet on the pedals keeps everything in proper alignment.

The bike is generally the best exercise for the knees. That's what is so frustrating. I paid an olympic cycle trainer for a professional fitting (saddle height, crank length, peddle cleat angle, etc)) and to check my peddle cadence and posture. Nothing helped. It's apparently an "over-use" problem complicated by age.