Like the parent said, the goal is efficiency not maximum power. And as another comment said, in practice the pros do not pull up. If there were even a minute ga

Like the parent said, the goal is efficiency not maximum power. And as another comment said, in practice the pros do not pull up. If there were even a minute gain in doing so, they would train themselves to do it (in fact some of them used to in the past before they figured out that it was a waste of time)