Re: Seated Chest Press vs Smith Machine Bench Press



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Topic: Science > Physics
User: "Prisoner at War"
Date: 04 Feb 2008 04:42:28 PM
Object: Re: Seated Chest Press vs Smith Machine Bench Press
On Feb 4, 5:27 pm, Bob Feduniak <robertfedun...@msn.com> wrote:



Indeed, but I see now that your mind got there first. Your post got
me wondering why it should be inherently harder to push vertically
rather than horizontally when the weights (or stack) that you're
lifting move vertically the same amount in each case.

If that puzzled you, try this for a "brain-teaser"...why can't you
flat bench press as much using dumbbells for weight as you can using a
barbell and plates?

Then it hit me
that you're also "bench pressing the weight of your arms" in one case
but not the other.

Well, it's more Physics 101, though I can't quote you the exact
principle or formula -- but pushing something up will always be harder
than merely pushing something away (horizontally)...try pushing your
spotter away from you, for instance, and then skewer him shish-ka-bob
style over the barbell and see how far you get lifting him up....

Now I see that you were saying the same thing.
Time to go do some chest presses.

Bob F

What I want to know is why I get more of a triceps and front delt
workout from bench presses...the decline bench press is about the only
one where I seem to work the pecs primarily -- like I'm supposed to!
I also have "problems" working the lats on pull-ups and pull-downs
more than I do my biceps, no matter the angle of my back!
Happy benching, BTW. It truly is the All-American Lift!
.


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