"Picking up a chunk of iron just to put it back down again" Then you sort of missed the point a bit. The point of the exercise is a) to challenge your physic

"Picking up a chunk of iron just to put it back down again" Then you sort of missed the point a bit. The point of the exercise is a) to challenge your physical, and yes, mental limits in a ways nothing else in the modern world really does, and b) master the form of the exercises, which can be surprisingly intricate, and c) become stronger, moving on to ever more challenging weights.