Originally Posted by
jeffpoulin
I don't think it's caused by cycling too much, but rather, by not training enough of your other muscle groups. If all you do for exercise is cycling, then you'll get sore if you start running, hiking, etc... Cross-training should help.
This is it: cross training. I'll never forget this young woman. She was very fit, went to gym a few times a week, jogger and long distance runner. She figured she can do a 100 mile bike ride easy. She was unable to walk for several days after the ride.