Tags · Clinical

DXA

Dual-energy X-ray absorptiometry and its real precision.

44 topics 12 solved Synonyms: dexa Group: Clinical

44 topics · page 1 of 2

Topic	Participants	Replies	Views	Activity
A 40-week log with the measurement method stated — what changed since Outcomes › Progress reports effect size data table DXA long read Solved A 40-week log with the measurement method stated — what changed since Writing it up because I had to work it out twice and would rather nobody else did. Posting a small dataset on 40-week log. It is mine, it…	+9	13	2.1k	9h
Seven-day rolling means and why weekly readings mislead Outcomes › Progress reports data table DXA effect size long read Seven-day rolling means and why weekly readings mislead Writing it up because I had to work it out twice and would rather nobody else did. Posting a series rather than a conclusion, with the method first.…	+109	125	42k	10h
An 18-month record including the parts that went badly Outcomes › Progress reports data table long read effect size DXA An 18-month record including the parts that went badly — setting out what I have, and where I think it stops being reliable. Asking about 18-month record on behalf of the question I keep seeing asked badly,…	+77	81	17k	12h
Lean mass preservation: what the evidence supports — does this still hold? Outcomes › Body composition bioimpedance lean mass loss data table DXA Asking directly, because I could not find a straight answer: Lean mass preservation: what the evidence supports — does this still hold? What changes if the standard account of Lean mass preservation is wrong?…	+112	122	5.2k	20h
[2026 update] Waist circumference technique and its repeatability Outcomes › Progress reports DXA long read effect size data table Posting this under the heading it deserves: Waist circumference technique and its repeatability Everything below is what sits behind that. An honest uncertainty about Waist circumference technique rather than…	+23	27	5.9k	21h
Ultrasound and skinfolds: operator dependence in practice Outcomes › Body composition DXA data table lean mass loss Ultrasound and skinfolds: operator dependence in practice — setting out what I have, and where I think it stops being reliable. Trying to establish the boundary conditions on ultrasound and skinfolds. The…	+72	76	2.7k	2d
Programming during a large energy deficit Nutrition & Training › Resistance training lean mass loss fatigue DXA Programming during a large energy deficit — setting out what I have, and where I think it stops being reliable. Programming during a large energy: what I expected, what I found, and the gap between them. I am…	+39	49	36k	2d
About the Resistance training category Nutrition & Training › Resistance training lean mass loss fatigue DXA Pinned Wiki Programming while losing weight quickly, realistic expectations, and recovery. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its author and a…		4	40k	17d
Bioimpedance and hydration: why the number moves Outcomes › Body composition lean mass loss data table DXA bioimpedance Bioimpedance and hydration: why the number moves — setting out what I have, and where I think it stops being reliable. I have spent a fortnight trying to pin bioimpedance and hydration down and I want to set…	+62	70	13k	23d
Follow-up: Interpreting a composition change that is within the error bars Outcomes › Body composition DXA lean mass loss bioimpedance data table Solved Interpreting a composition change that is within the error bars Writing it up because I had to work it out twice and would rather nobody else did. Asking about Interpreting a composition change directly,…		2	95	24d
Second pass at: Programming during a large energy deficit Nutrition & Training › Resistance training DXA lean mass loss fatigue Posting this under the heading it deserves: Second pass at: Programming during a large energy deficit Everything below is what sits behind that. Two things I would like separated before anyone answers on…	+44	48	632	30d
Revisiting: Bioimpedance and hydration: why the number moves Outcomes › Body composition data table DXA bioimpedance Solved Posting this under the heading it deserves: Revisiting: Bioimpedance and hydration: why the number moves Everything below is what sits behind that. I have spent a fortnight trying to pin Bioimpedance and…		2	2.8k	1mo
A 40-week log with the measurement method stated — does this still hold? Outcomes › Progress reports effect size DXA data table Solved A 40-week log with the measurement method stated — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Posting a small dataset on 40-week log. It is…	+1	5	14k	2mo
Two scans six weeks apart on different machines: a cautionary tale Outcomes › Body composition lean mass loss data table bioimpedance DXA Solved On the subject in the title: Two scans six weeks apart on different machines: a cautionary tale Working notes rather than a conclusion. A question about measurement precision rather than about physiology. Two…	+18	26	9.4k	2mo
Ultrasound and skinfolds: operator dependence in practice — what changed since Outcomes › Body composition data table DXA bioimpedance lean mass loss Posting this under the heading it deserves: Ultrasound and skinfolds: operator dependence in practice — what changed since Everything below is what sits behind that. What changes if the standard account of…	+32	37	7.4k	3mo
A plateau that disappeared when I changed how I measured Outcomes › Progress reports DXA long read effect size Posting this under the heading it deserves: A plateau that disappeared when I changed how I measured Everything below is what sits behind that. I was wrong about plateau in a thread last spring and I would…	+27	31	7.2k	3mo
Coming back to: Training through a dose escalation week Nutrition & Training › Resistance training fatigue lean mass loss DXA On the subject in the title: Training through a dose escalation week Working notes rather than a conclusion. What changes if the standard account of Training through a dose escalation is wrong? I ask because…	+68	74	46k	4mo
Second pass at: Circumference measurements as a poor man's composition estimate Outcomes › Body composition DXA lean mass loss data table Second pass at: Circumference measurements as a poor man's composition estimate — setting out what I have, and where I think it stops being reliable. Two things I would like separated before anyone answers on…	+64	68	13k	4mo
Realistic expectations for strength while losing weight quickly Nutrition & Training › Resistance training fatigue DXA lean mass loss Closed Posting this under the heading it deserves: Realistic expectations for strength while losing weight quickly Everything below is what sits behind that. Working notes on realistic expectations for strength…	+60	70	38k	4mo
Waist circumference technique and its repeatability Outcomes › Progress reports data table long read effect size DXA Waist circumference technique and its repeatability — setting out what I have, and where I think it stops being reliable. I have spent a fortnight trying to pin waist circumference technique down and I want…	+55	60	11k	5mo
What I would record differently if I started again Outcomes › Progress reports DXA long read data table effect size Closed Asking directly, because I could not find a straight answer: What I would record differently if I started again Asking about the phase almost nobody writes about. The material here on losing is good. The…		2	12k	5mo
Seven-day rolling means and why weekly readings mislead — one year on Outcomes › Progress reports DXA data table long read Solved On the subject in the title: Seven-day rolling means and why weekly readings mislead — one year on Working notes rather than a conclusion. Asking about Seven-day rolling directly, because I have read four…	+78	88	16k	5mo
What I would record differently if I started again — the long version Outcomes › Progress reports effect size data table DXA Solved Closed What I would record differently if I started again — the long version I have a specific reason for asking rather than idle curiosity, and the context is below. Asking about the phase almost nobody writes…	+22	26	57k	5mo
Comparing my trajectory with the trial curves, carefully Outcomes › Progress reports DXA effect size long read data table Solved Posting this under the heading it deserves: Comparing my trajectory with the trial curves, carefully Everything below is what sits behind that. Maintenance rather than loss, which is the part of this that…	+86	92	54k	7mo
DXA precision and the least significant change for lean mass Outcomes › Body composition bioimpedance data table DXA Closed Posting this under the heading it deserves: DXA precision and the least significant change for lean mass Everything below is what sits behind that. A question about measurement precision rather than about…	+81	85	2.7k	7mo
[2026 update] Reporting a disappointing outcome, and why it belongs here Outcomes › Progress reports DXA long read data table Pinned Closed On the subject in the title: Reporting a disappointing outcome, and why it belongs here Working notes rather than a conclusion. Proposing that Reporting a disappointing outcome deserves a maintained page…		2	11k	8mo
Second pass at: Two scans six weeks apart on different machines: a cautionary tale Outcomes › Body composition DXA bioimpedance lean mass loss data table Second pass at: Two scans six weeks apart on different machines: a cautionary tale Writing it up because I had to work it out twice and would rather nobody else did. A question about measurement precision…	+1	5	34k	8mo
Second pass at: Programming during a large energy deficit Nutrition & Training › Resistance training fatigue lean mass loss DXA On the subject in the title: Second pass at: Programming during a large energy deficit Working notes rather than a conclusion. The question about Programming during a large energy that I actually want…	+94	100	1.2k	8mo
Progressive overload when the scale is falling Nutrition & Training › Resistance training fatigue DXA lean mass loss Posting this under the heading it deserves: Progressive overload when the scale is falling Everything below is what sits behind that. Trying to establish the boundary conditions on progressive overload. The…	+4	8	14k	8mo
A 40-week log with the measurement method stated Outcomes › Progress reports DXA long read data table On the subject in the title: A 40-week log with the measurement method stated Working notes rather than a conclusion. Asking about 40-week log directly, because I have read four threads on it and each…	+87	97	18k	9mo

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