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-   -   Bodyfat assessment contraptions... (http://www.catalystathletics.com/forum/showthread.php?t=4906)

Tony Ferous 12-10-2009 10:31 PM

Bodyfat assessment contraptions...
Anyone been tested on an 'Inbody' body comp machine?
The usual stand on machine, with bare feet, and hold the handles type thing.

I was surprised it clocked me at 14.6% body fat! My abs show and forearms so veinous they shock people(a bit) on a hot day. I was pissed off! ;-)

It also measures, water %, protein %(apparently).

He did input my height slightly wrongly but only 1% out.

The instructor offered to help me out with some discounted just for me 77 dollar and hours personal training sessions which was very kind.


Garrett Smith 12-11-2009 01:30 AM

My wife once got a ~10% difference between a BIA (electrical) body comp reading and calipers (done by the head of the body comp department at my university). Don't even bother with the BIA.

Tony Ferous 12-11-2009 04:11 AM

Crap, you mean i could really be 24% bodyfat!!?? ;-)
Thanks Garrett as usual.

Garrett Smith 12-11-2009 06:38 AM

The BIA machines are notorious for way overestimating BF% on athletic physiques. Don't get all tied up about it. You're probably lower than that number you saw.

There's a reason trainers like the BIA machines...they're easy to use, they tell fat people they're fat, and they tell athletic people they're fatter than they really are. Which hopefully leads to more clients for the trainer. Pretty simple, really.

Patrick Donnelly 12-11-2009 07:14 AM


Originally Posted by Garrett Smith (Post 66717)
Don't get all tied up about it.

That one sentence is the best advice one can give on the topic.

Duke McCall 12-14-2009 04:00 PM

I use a BIA machine to spot trends in my body composition, but I agree that any individual measurement is highly unreliable and highly variable (which makes spotting trends difficult, but hey, it is easy:) ). As an example, my body fat measurement routinely varies by 2% or more from one day to the next-- at the same weight, measured at the same time of day, under the same conditions, etc., etc. So, I would not place any stock in an individual measurement and would not even rely on a range of measurements for an accurate portrayal of my actual body composition (although they might show a statistically relevant change in body composition if you were bored and wanted to play with numbers).

Wayne Riddle 12-24-2009 08:44 AM

Latest article on Mark's Daily Apple about this topic.


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