[quote=“ILCisDEAD,post:18,topic:25799"”]
I love watching the people that go in there and do the exercises all wrong.
Locking knees when doing squats
Rolling their shoulders when doing shrugs
and the list goes on
[/quote]
what about benching with your elbows out? 
i love that one.
edit: i also love lat pull downs done with your torso almost parallel to the floor, haha