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Old 08-05-2009, 05:35 PM   #11
Cormac O'Connor
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Re: Working out 'as Rx'd' with metric plates

So long as you make a note of what weight you used, it hardly matters. Sometimes I do Fran with 40kg, sometimes with 43kg (if i'm feeling frisky!). The stimulus isn't going to change that much. If you're determined to do everything as rx'ed, you could buy or make some fractional plates (0.5kg each) and put them in your gym bag so you can get the exact weight.

The easiest way to do this would just be to fill a bag with sand and tie it to the end of the barbell but it might be worth the investment to buy or make them if you're really serious about this.
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Old 08-07-2009, 04:32 AM   #12
James Forshaw
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Re: Working out 'as Rx'd' with metric plates

If workouts call for the following weights, I use:

45lbs - 20kg

75lbs - 35kg

95lbs - 42.5kg

135lbs - 60kg

155lbs - 70kg

225lbs - 102.5kg

Considering kg are used at the olympics, it would be good if all plate manufacturers picked just one unit though.
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Old 08-08-2009, 08:04 AM   #13
Leon Robotham
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Re: Working out 'as Rx'd' with metric plates

Quote:
Originally Posted by Lee Hill View Post
Mac is on the money. At crossfit northeast england we do a 42.5kg fran, a 62.5kg grace and don't worry too much about it. to the nearest 2.5kg is the general unspoken rule, whether that be slightly lighter or heavier. No raids from the crossfit RXD police so far.

If you're rocking a WOD with good form at 1lb or 2 either side, you would theoretically be able to do it at the exact poundage. Hope this allays some of your worry.

This is true however the stoopid trainers often opt for 45kg or 99lbs for 95s or if we want to be as close as possible just load to 42.5 then add a couple of pairs of clips. In reality one set of clips will take you to the 95lb rx'd weight but to stay on the same page as our brothers and sisters who are using lb plates the extra pair of clips should replicate it almost exactly.

In the end all that really matters is that you repeat wods with exact same set-up to monitor performance.( What Connor said, not sure on the sand though.)
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Last edited by Leon Robotham : 08-08-2009 at 08:08 AM.
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Old 08-08-2009, 09:05 AM   #14
Eddie Watts
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Re: Working out 'as Rx'd' with metric plates

1 pound = 0.45359237 kilograms

so 45 pounds is in fact 20.411654 kgs

so 20kgs is not 44 pounds

(if you want to be picky)

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