Originally Posted by Jet Travis

I did the "ride-your-bike-a-lot" program for a long time, and it worked pretty well for many years. But decade after decade of sitting at a desk all day and on a bike all weekend can leave your core (and other) muscles weak and inflexible--a lesson I was taught in a painful way that kept me off the bike for months.

I don't know too much about this program, but I have heard good reviews. Whatever you do on the bike, a strong core won't hurt, and it could help. A lot.