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Fitness Theory and Practice. CrossFit's rationale & foundations. Who is fit? What is fitness?

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Old 04-11-2011, 06:39 PM   #1
Stephanie Vincent
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Bodyweight to Max Lift Ratio...whats the deal?

I have been looking around the internet to see if there is any informatin about bodyweight and its effect on being able to move weight, find and can't seem to find anything. I get mass moves mass, but it doesn't seem as simple as that. Is a lifts proportion to body weight a comparitive indicator of strength, or is body weight just part of it? Does body weight make a difference in a shoulder press?

Any info out there on the subject...please share!!
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Old 04-11-2011, 06:56 PM   #2
Mauricio Leal
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Re: Bodyweight to Max Lift Ratio...whats the deal?

http://en.wikipedia.org/wiki/Sinclair_Coefficients (wfs)
http://www.isu.edu/~andesean/wform.htm (wfs)
http://tsampa.org/training/scripts/relative_strength/ (wfs)
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Old 04-11-2011, 09:22 PM   #3
Chris Mason
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Re: Bodyweight to Max Lift Ratio...whats the deal?

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Originally Posted by Stephanie Vincent View Post
I have been looking around the internet to see if there is any informatin about bodyweight and its effect on being able to move weight, find and can't seem to find anything. I get mass moves mass, but it doesn't seem as simple as that. Is a lifts proportion to body weight a comparitive indicator of strength, or is body weight just part of it? Does body weight make a difference in a shoulder press?

Any info out there on the subject...please share!!
If one trains intensely with weights, then a higher body weight usually correlates to greater demonstrable absolute strength individually speaking. This general truism varies with a given lift. For instance, some people can deadlift more at a lighter body weight simply because they are able to better get into position for the pull.
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Old 04-11-2011, 11:31 PM   #4
Eric Montgomery
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Re: Bodyweight to Max Lift Ratio...whats the deal?

Elite lifters at lower bodyweights will have higher strength to weight ratios than elite lifters at higher bodyweights. For instance the world record c&j for 69kg is near 3xBW but a 105kg lifter isn't going to be anywhere near that ratio. Same deal for powerlifting. Plenty of guys in the 90kg range can deadlift 4xBW or very close to it, but as of yet there aren't any 300lb guys who can match that ratio.

In general adding mass is correlated with adding strength provided you're training (except for the instances Chris mentioned) but added weight may or may not result in higher strength to weight ratio.
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