Afrank said:that's just his climbing style, he's all over the bike cranking on the pedals as hard as he can. Absolutely nothing like Contador's smooth and fluid climbing but somehow it works for him.
Yup, the likes of Fernando Escartín, Juan Mauricio Soler, Paco Mancebo and even Chris Froome are examples of riders from recent history who had ungainly, seemingly inelegant styles of climbing, but who were great climbers. When he gets out of the saddle we can add Cadel Evans to that list.