Everyone seems to be buying into the whole big medicine ball your way to victory hoax. If I hear the term 'core strength' one more time, I'll spit out my venti mocha frapacinno. Did Eddy do all this crapola to get fit???
Let's put it another way.....cycling doesn't develop the muscles in my ear lobes enough. What should I do for that? If riding doesn't strenthen it, you don't need it to ride.
PEOPLE! Get off your computers, and go ride your bicycle.