Originally Posted by
Machka
It is good to include core work in your exercise routine. A strong core will increase your comfort on the bicycle. And cycling will do next to nothing to help you build strong abs.
According to the Core Advantage book, cyclists (I think they're talking especially about road cyclists) shouldn't do crunches because their abs tend to overpower other core muscles. It's due to the abs being engaged constantly to maintain a bent-over riding position. Based on that, being a cyclist probably does help develop strong abs....