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OK but I'm a little older and primarily a running however I do weight train 5x a week.

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187lbs at 5'9 with 6.5% really?

You should be competing.
 
how reliable is that for tracking changes?
absolute number should be way off, depending on the individual, although in your case ~6% BF might be about right.
Of course a DEXA scan is the most accurate (Hydrostatic is about as accurate too), but who has 2 hours and $250 a day to do that?:D

Bioimpedance can vary the most but I'm consistent and measure (almost) every day (so the bell curve gives me a reasonably accurate assessment). I monitor my hydration and always measure in the evening (about the same time of day). I have been using Bioimpedance scales constantly (daily) for almost 15 years.
 
Of course a DEXA scan is the most accurate (Hydrostatic is about as accurate too), but who has 2 hours and $250 a day to do that?:D

Bioimpedance can vary the most but I'm consistent and measure (almost) every day (so the bell curve gives me a reasonably accurate assessment). I monitor my hydration and always measure in the evening (about the same time of day). I have been using Bioimpedance scales constantly (daily) for almost 15 years.

DEXA can be done in about 15 minutes for $50 where I live, but I am not convinced about its accuracy for an individual, although it seems to be quite accurate for population.

DEXA has been used in studies and compared to 4c models (which accounts for water) and it was shown to vary widely depending on the individual by as much as 5%. More troublesome was DEXA in some studies showing fat gain while there was likely fat loss estimated by more accurate methods along with exercise).

But 15 years, that is some dedication.
Do you cycle between cut and bulk?
 
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But 15 years, that is some dedication.
Do you cycle between cut and bulk?

Have been working out a LOT longer than that. I don't do any type of cycling (other than literal cycling :D ) at all. I just workout (weight train/cardio/run/bike) as my cocaine:eek:. I have basically been the same weight/body mass/composition for decades.
 
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