Originally Posted by
caloso
In my experience, it's the relatively static position that can cause a problem. When we're outside, we stop, we start, we stand up to sprint for a light, etc. Inside, you tend to grind in the same position, so I have to remind myself to stand up every once in awhile.
That's a good point. No, I haven't stood up or stopped. I rode my outdoor bike for the first time in a couple of weeks yesterday, despite the sore knees, and it seemed like hardly any strain on the knees at all.