the single best mass builder for rear delts has NOTHING to do with weights IMO.
This dude at my gym has a huge set. I asked him the same thing.
It SOOOO hard to explain, cause it has to be shown.
but here goes.
lie on a flat bench..... grab 10 pounds ..just for the initial feel.
what you gotta do is work it like a piston...basically,lie down on your side... on your shoulder and brace yourself so you can drop the weight ACROSS your chest ... so your lying on you left shoulder and your right arm is draped across your chest, now, bring the weight up in a arc to a position that if you were standing you arm would be parallel to the floor... but of course your layin down still.. now the trick is to have your elbow as twisted to peak the contraction at the last second.
DAMMIT... so hard to explain...let alone do.
hmmm, sorta like lying side laterals that arnold used to do.
ahhh fak it.
brain hurts.. just do reverse pec dec
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