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# Weightlifting question?

Discussion in 'The Okie Corral' started by malleable, Jul 19, 2012.

1. ### malleable

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Assuming that you can bench 100 lbs x 10 reps max, is there a formula that would show your probable 1 rep max bench?
If you could do 200 lbs x10 would you simply double it, 300 lbs triple, etc?
Probably a stupid question but can't find a logical answer.

2. ### Detectorist

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There are calculators out there and some of them are *fairly* accurate.

...but no, 200 x 10 wont get you to 300. You need to be in the 225-250 range and at 8-12 reps.

The thing to keep in mind about lighter weights and higher reps and then extrapolating a max is, for the calculators to work, (they will give you a number, but it is meaningless if the weight is too light and the reps too high) you have to know some weights within 20% or so. Heavy is heavy and if you dont know what you can do with heavy low rep, you wont put up a number because you have done a lot of light high rep stuff.

For example, if the calculator says "200 x17"....and you can do that and that is as heavy as you have been, if you throw 300 on the bar, you are not ready for that weight and have not done the work up to move that weight.

4. ### K.Kiser

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My high school junior year my max bench of 330 lbs, my two heavy sets were 225 x 7-8 and 255 x 4-5... I could do 135 into the 30+ rep range for whatever that's worth...

I think any formula is not really any better or worse than an experienced guess..

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