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Content
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https://opensea.io/collection/fitness-8
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Brennen Schlueter pfp
Brennen Schlueter
@brennen
I got my first DEXA scan this week. I've been using INBody scans for a while to track my progress, but the dexa is way more accurate, heres what to expect from both. - InBody consistently underestimates fat percentage (by ~8-10%). - Use InBody for Trends, Not Absolute Values While absolute fat and muscle numbers may be off, InBody is still useful for tracking trends over time (e.g., whether body fat % is going up or down). - Pay Attention to Hydration Levels InBody’s accuracy is affected by hydration. If you're dehydrated, InBody will overestimate body fat. If you're highly hydrated (e.g., post-workout), InBody will underestimate fat and overestimate lean mass. To get consistent results, always scan at the same time of day, ideally in a fasted state before workouts. - Use DEXA Every 3-6 Months for Precision
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ted (not lasso) pfp
ted (not lasso)
@ted
cc @keccers.eth @todd @jpetrich @coach-holness think you guys would find this interesting
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keccers pfp
keccers
@keccers.eth
No one likes me when I share this — it violates common fitness wisdom, it violated my own priors which were similar to above — but DEXA suffers from accuracy issues too https://warpcast.com/keccers.eth/0x82edf44e
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Hugo Montenegro pfp
Hugo Montenegro
@hm
what's ideal? full body MRI?
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keccers pfp
keccers
@keccers.eth
Not sure there is an ideal way to get precise measurements for this metric down to an exact %
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Hugo Montenegro pfp
Hugo Montenegro
@hm
brief search shows MRI-based Body Composition Analysis seems to be an actual practice: https://liu.diva-portal.org/smash/record.jsf?pid=diva2%3A1188932&dswid=5794 https://liu.diva-portal.org/smash/record.jsf?pid=diva2%3A1188932&dswid=5794
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keccers pfp
keccers
@keccers.eth
I think I’m apathetic towards this because other methods are good enough to measure direction, and that’s fine for where it is most relevant. The article I posted above makes the case it is a poor goal unto itself and I agree with that That said, sadly MRI not included here, also from the article. Error bounds of %bf measurement methods
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