To a certain extent you can modify your body to function across a bigger spectrum. You might not be the best sprinter/climber, but you can surely improve your weaker areas. Once again like rugby, a modern loose forward has become like a kind of a hybrid. Power as well as speed (Pierre Spies). We also acknowledge that it can become difficult of you are on the extreme side, ie pure sprinter/climber. All and all, we can always try. Sometimes the brain have too many slow twitch fibres also.
