![]() ![]() Suprailiac – diagonal fold 3-4” inches anterior to the height of the iliac crest (top of the hip bone).Midaxillary – horizontal fold under the armpit, in line with the bottom of the sternum (arm must be raised out to the side to about 90 degrees to do this).Chest – diagonal fold right at the pec/delt tie in.Bicep – vertical fold halfway down the front of the bicep (make sure your palm is forward).This method involves using a skinfold caliper (the same implement you would use for the other formulas) and it involves measuring yourself at 6 locations. By that I mean it doesn’t seem to overestimate the body fat like the Durnin & Womersley method, but it doesn’t underestimate it like the Jackson/Pollock seems to. And finally while this is just my opinion, I believe this formula does a better job of describing the level of body fat we are seeing visually. In addition because you will be the one doing it, once you practice it a few times I think you will find the results to be quite consistent. It will follow the model set up by the other formulas but the huge benefit of this method is that there is no measurement on your posterior – this means you can do the test yourself. Let me introduce the Henriques 6 body fat calculation. It is what it is, but I think we can solve both of these problems. I have trained and tested over a 1000 trainers on these body fat methods and when they graduate from NPTI they are pretty good at it, but even with that training there is more variability than one would like. But to use these formulas you need a trainer to take the measurements on you, and if you don’t get the same person there is likely to be reasonable variation in the result. Checking body fat should be like checking the scale, you can check in daily or at least weekly to see your progress if you want. There is nothing inherently wrong with these formulas, it is just that they are very inconvenient to use. ![]() No formula uses them all, Parrillo uses all of them except for the midaxillary site. There are 10 standardized body fat pinch sites. This formula tends to predict a body fat percentage in between the Durnin & Womersley and the Jackson/Pollock formulas. ![]() Again, you do the same deal – add up your total and look on a chart to find your body fat. This involves taking body fat at 9 sites: chest, abdominal, thigh, bicep, tricep, subscapular, suprailiac, lower back, and calf. This was created by the bodybuilding coach John Parrillo and he wanted a formula that was specific to bodybuilders and fitness oriented people. The third formula is the Parrillo formula. In my experience this formula tends to underestimate one’s body fat. ![]() That involves taking body fat at 7 sites: chest, abdomen, thigh, tricep, subscapular, suprailiac, midaxillary use another formula and it will give you a body fat percentage. There are actually 3 versions of this but they all derive from the main one, the Jackson/Pollock 7. In my experience this formula tends to overestimate one’s body fat especially for fit people.Īnother popular method is the Jackson/Pollock Method. In my experience this is the most popular method used. You add the total of the four sites together, use a fancy formula, and it spits out your body fat percentage. There is the Durnin & Womersley method, which involves taking body fat at 4 sites: Bicep, Tricep, Subscapula, and Suprailiac. There are 3 popular body fat formulas that trainers currently use. NPTI Director and Instructor, Tim Henriques, believes that he has solved both of these issues, and has created a more accurate formula as a replacement.
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