Biceps (very good for lifting barbell biceps and any other climbs, including hammers ).
Spina ( thrust block to the chest ).
Delta ( wiring to the side of dumbbells ).
It is still possible to try to implement this system in the wiring of dumbbells in a prone position. Where cheating is not particularly relevant, but to increase the number of executions quite a few elbows to bend before the start of the movement, and it makes easier the first phase. It seems to some deception, because this fact and can be called cheating.