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c/glp1muscle·submitted 6 months ago by u/tuva_kirchner

help me understand lean mass, I have read the wiki twice

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help me understand lean mass, I have read the wiki twice. I would rather ask a basic question now than get this wrong quietly for two months. Two scans on the same machine 24 months apart. Lean mass held better than I expected and the lifts told the same story for free. Kept the same programme for a year instead of…

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7 comments, started 6 months ago
u/noor_ivaturi176 points·6 months ago

Some lean mass loss accompanies weight loss in any deficit. Resistance training and adequate protein intake are the two interventions with the best evidence for limiting the proportion.

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u/karl_fischer_kev47 points·6 months ago

Started weighing protein rather than estimating it. The gap between what I thought and what I ate was embarrassing.

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u/tuva_kirchnerOP29 points·6 months ago·edited

Have the lifts held, dropped, or moved around?

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u/tuva_kirchnerOP114 points·6 months ago

DEXA has a real error margin and people quote it to one decimal

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u/mariam_cabrera254 points·6 months ago

Strength retention is an imperfect but free longitudinal proxy: it is affected by neural factors and by being in a deficit, so it tracks tissue change loosely rather than exactly.

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u/first_pen_fear88 points·6 months ago

grip strength and lift numbers are cheap longitudinal markers

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u/tuva_kirchnerOP54 points·6 months ago·edited

Are you comparing against your own baseline or against a published average?

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Lean-mass retention during rapid weight loss: protein targets, resistance-training minimums, DEXA and BIA measurement reality, FFMI tracking, and the sarcopenia question that nobody funded a proper trial for.

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