Ever since the Nintendo Wii's controller was announced last year at the Tokyo Game Show (TGS), Nintendo President Satoru Iwata, Game Designer Shigeru Miyamoto and friends have always stated there's more to the controller than has been revealed. Of course Nintendo fanboys have ripped up message boards ever since trying to guess what this new functionality is.
When describing how a play might work, he states, "it does use the accelerometer in the nunchuck unit as well for juking," and "if you want to juke, you use the nunchuck to gesture it." ehh.. ok
News Source: TheGameFeed