Where do you Grip a Human Weight?

I once saw my cousin do biceps curls with my niece. Something to pass the time while waiting in a mortuary lobby, I suppose. He made it look easy. Seems like bench-pressing an adult could be a little more complicated.

Human weights pose for photographers as they stand in a line in order of their weight at a Gymbox gym in London January 21, 2009. A British gym is trying to add human interest to otherwise dreary workouts by replacing traditional dumbbell weights with human ones.The Gymbox chain gym in central London says fitness enthusiasts can now swap their usual lumps of metal for human beings in a range of shapes and sizes.

REUTERS/Stephen Hird