# FORMULE DE BRZYCKI PDF

The most popular (and proven accurate) one is the Brzycki formula from Matt Brzycki: Say you can lift 10 kg for 30 reps â€“ with Brzycki’s formula your 1RM . #1 equipos de corte por arco de plasma on 19 October Brzycki: 1RM = W x (36 / (37 – R)); Wathan: 1RM = ( x W) / ( + ( x e- x R)); Lander: 1RM = ( x W) / ( – x R). Some other common formulas for calculating Maximum Load (1RM). Brzycki’s equation (). 1RM = Weight ÷ ( – ( × number of repetitions)).

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The most accurate way to know your 1RM is to actually get under a barbell and test it. However, that could also screw with your program and slow your progressbecause of how it taxes your body. Aside from having a handy answer to the inevitable “so, how much do you bench? Many strength programs use your 1RM as base for the prescribed weights. The other reason is less practical but important nonetheless. As strength is the base of all athleticism, knowing that yours increases over time will keep you motivated and going in the direction.

There are many different formulas to estimate your 1RM, all with slightly different calculations. The most popular and proven accurate 1 one is the Brzycki formula from Matt Brzycki:. You can continue lifting your five reps, if that’s your program, while still getting an idea of where your max strength is at.

For me, a chronic 1RM testaholic, this has done wonders for my progression!

The further away from one repetition you are, however, the more unreliable the 1RM estimation will be 2. The confidence of this number, however, is so weak it’s not even worth doing the calculation. As a rule of thumb, never bother for anything above ten repetitions 2. For planning purposes, know that your result will normally fall within 5 kg, more or less, of your true 1RM 3 4. To create these formulas, researchers gather up a bunch of participants, measure some variables, and then crunches numbers to arrive at a formula.

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The measuring can vary a bit between studies but usually participants at least have their different RMs 10RM, 7RM, etc tested. In some more advanced studies 5 they also measure biometric values, like arm length for bench press, body fat, chest circumference, etc.

Then they apply regression analysis to the gathered numbers. This shows relations between the data, like “a higher 5RM seems to be related to a higher 1RM” or “people with shorter arms seem to be stronger in the bench”. By tweaking the strength of these relations, a formula is born.

Once they have a formula, the researchers can then be test it on the same group of people or, in the case of one study 6another group, to check how accurate the formula is. One interesting variable for 1RM prediction is the fkrmule of the bar. Mark Rippetoe says in his book Starting Strength to use your eyes to gauge when the bar slows down, as this means you’re starting to get to a heavy weight closer to your 1RM.

Science supports this df and there’s even a 1RM formula that uses bar speed 8.

## Epley Formula (1 rep max)

Unfortunately it’ll be tricky to measure the bar speed yourself when lifting. Most participants in these studies have been men, for whatever reason, but one separate study showed that the resulting formulas seem to hold true even for women 9.

Estimation’s all well and good but what if you want to know what your True 1RM is? Then there’s really no substitute to growing a spine, getting under the bar, and pushing yourself to your limit. Especially for the bench press where you can’t bail as easily as with the squat or overhead press. Don’t jump straight to your 1RM attempt but build up to it gradually. This will both warm yourself up and help your body prepare for the weight.

Don’t worry about burning out on the way, you’ll actually be able to lift more this way. Just rest plenty in between lifts once it’s getting heavy. Finally, know the movement’s rules. If you want to measure your True 1RM, you can’t stop above parallel in a squat, fail to touch your chest in a bench press, or drop the bar when deadlifting. Personally I haven’t tested at all for eight months now, as of this writing.

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But by predicting my 1RM I’ve seen it go up and so I’m super motivated by that progress!

Prediction of one repetition maximum strength from multiple repetition maximum testing and anthropometry. Prediction of 1 repetition maximum in high-school power lifters. Velocity- and power-load relationships of the bench pull vs. Accuracy of prediction equations for determining one repetition maximum bench press in women before and after resistance training. The website loading pace is amazing. It kind of feels that you’re doing any distinctive trick. Moreover, The contents are masterpiece.

Instead you can use this calculator I’ve put together to estimate your 1RM: The formulas There are many different formulas to estimate your 1RM, all with slightly different calculations.

The most popular and proven accurate 1 one is the Brzycki formula from Matt Brzycki: Making a formula To create these formulas, researchers gather up a bunch of participants, measure some variables, and then crunches numbers to arrive at a formula.