Strength & Bodyweight Lifting Comparisons
OK I don't compete in P/Ling so I have to ask.
I was talking with a P/L on Face Book that just started to compete and keeps lean (retired bodybuilder) and he brought up how he thinks its a shame that in the sport a Example: 180 lbs guy can press per say 360 equaling 2x's his body weight but yet a 350lb guy presses 600 equaling 100lbs. less than 2x's his body weight but yet the guy pressing the 600 gets so much more attention? All I could tell him was its ALL about the total numbers and nothing to do with body weight. Is that about right? or am I way off base in my response? 
Its because its heavier. Simplistic answer, but lots of people can press 360. Almost no one on the planet can press 600 raw.

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From what I've read, and I'm not a powerlifter either, the lighter a person is the easier it is to reach 2 or 3 times bodyweight loads;...and to do multiple reps of BW pullups etc. Still takes work but is easier. It still comes down to the fact that 2 x 50kg BW is less than 2 x 75kg BW (low BW there but just an example).

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For deadlifts, Lamar Gant is the world record holder at 123 and 132 pounds: Quote:
You will never find a 308 class lifter hitting a 5.14 multiplier and a 1583 pound raw deadlift. Well at least until we get DNA enhancing drugs... The 308 pound raw deadlift record is a 3.048 multiplier. Weight adds strength, but it is not linear. Quote:
http://4.bp.blogspot.com/nYdiLibI0W...getballin.jpg 
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Apart from the absolute value of the weight lifted, beyond a point of time there's also a diminishing strength return with increasing bodyweight (although strength DOES increase)  this makes it easier for lighter guys to lift x times their bodyweight than bigger guys. Therefore for "best lifter" comparisons, Wilks coefficients are widely used in a powerlifting meet.
Mathematically, Wilks coefficient (comparing relative strength of PL) is given by the following formula: coeff = Wt lifted / (a + b*x + c*x^2 + d*x^3 + e*x^4 + f*x^5) Here x is the bodyweight and af are constant values (different for men and women). As you can see, the variation is nonlinear. The normalized weight is this factor multiplied by the weight lifted. Here's a graph I plotted out (lol, I have nothing better to do at lunch time), which shows the variation of normalized weight with bodyweight if the lifters lift 2x bodyweight. Lifting 2x stronger at a higher bodyweight would have you much stronger compared to a lower bodyweight using the normalized scale. http://img268.imageshack.us/img268/2416/wilksl.jpg In your example, normalized weight lifted by the 180 lb lifter lifting 360 lbs would be 242.712. The same value for the 350 lb guy lifting 600 would be 327.9 
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I think a lot of people admire the 150 lb guy deadlifting 500, but given the choice,they'd rather be the guy deadlifting 800, even if that's not so good for his size. Maybe it's like the difference between 'looking good for your age' and just 'looking good.' :) Edit to say: just read BTB's post properly, and realised I've said almost exactly the same thing 
OK so straight and to the point. No one cares about your body weight just what you move. ;) That's all I needed to know so if it comes up again I answer correctly.
I don't need to wright a dictionary to them on why. Point blank "No one care's about what you weight." The End. lol Thats what I figured but just wanted to make sure I had my ducks in a row on it. Thanks all. :rockon: 
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