Originally Posted by Excelsius

Well, I picked up cycling because my marathon prep had started a dull pain in one of my knees. After starting cycling, it went away. But now, after some heavy training, it's back again. I am eventually going to run again, but I am using my cycling time to heal. This is especially why I needed to stick to higher cadence.

Sure, there is a lot of information, but I'm talking about the very basics here. It's not really medical advice either. Just some factual information that every beginner should read.