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DB bench press Q
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Posted by: Yeah Buddy!
when doing this excercise should you keep your forearms perpendicular to the ground at all times? meaning when the dumbbells are at their lowest point in the lift your elbow joint (where the upper arm intersects the forearms) should be at 90 degrees?
does it make a difference on the effectiveness of the excercise if your forearms are tilted in at the bottom of the motion, because i found out that i am stronger that way, but i don't want to sacrifice proper form for strentgh.
Posted by: P-funk
Well your forearms should naturally break that 90 degree mark if you are using a full range of motion and properly adducting the scapula at the bottom of the rep. At the top of the lift your humerus is perpen dicual with the ground. It then moves, as your forearms come straight down, and ends up making a 90 degree angle with the forearm. Then, extending a little further will move the humerus back further, adducting the scapula, and bringing the forearms in slightly.
Posted by: Marble
thats why i like the DB bench because you can go below 90 degrees and get a good stretch and full range of motion.
Posted by: P-funk
you can get a full ROM with barbell also, most people don't though, just touch your chest. With the dumbells I wouldn't extended any further than my chest.
Posted by: HoldDaMayo
Bench dumbells open you up to injury a bit more than BB imo... I find i can isolate my chest better with DB than with BB though...
Posted by: BlueCorsair
Personally, BB bench scares the crap out of me 
I'm not a big guy at all, but I know for a fact I'm strong for my size. Mass doesn't come easily, but strength does - but that strength seems to grow, and recede week-to-week at times. A weight that is challenging one weight could be easier the next - or impossible.
As a result, BB's freak me out - I never know when that last rep is going to come - I have a poor ability to judge which rep should be my last, and a couple of times, I was caught with the barbell halfway "up", and my arms threatening to simply give out like a spaghetti noodle.
I use DB instead now, because I feel I can always put 110% into it, and if I can't get it all the way the last time, I can drop the weights to the floor, rather than on my chest - with DB, I ALWAYS know I've worked the pecs as well as I can.
When I do BB, I just don't feel confident enough to do it alone - and there are hardly any people in the gym at the time of day I go, so spotters aren't an option.
Oh well 
Posted by: PreMier
Dude... YOU need a spotter if you are going to go to failure... Ask someone who works at the gym or someone close to you.
Posted by: BlueCorsair
I know I do with BB's - but I've stopped 'em.
I work with DB's, so I don't need a spot now.
My compromise will work I believe
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