Evidence map›Paper›PMID 42280461›Full record

ArticleNutrients2026

Water Distribution in the Body as a Source of Information on Markers of Skeletal Muscle Ageing.

Anna Skrzek, Małgorzata Słowinska-Lisowska, Agnieszka Dębiec-Bąk, Agnieszka Matylda Schlichtinger

Abstract read
In one paragraph

Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Anna SkrzekFaculty of Physiotherapy, Department of Physiotherapy in Movment System Dysfunctions and Kinesiology, University of Health and Sports Science in Wrocław, 51-612 Wrocław, Poland.ORCID 0000-0003-1533-0291
Małgorzata Słowinska-LisowskaFaculty of Physical Education and Sport, Department of Biological Pronciples of Physical Activity, University of Health and Sports Science in Wrocław, 51-612 Wrocław, Poland.ORCID 0000-0001-7522-4058
Agnieszka Dębiec-BąkFaculty of Physiotherapy, Department of Physiotherapy in Movment System Dysfunctions and Kinesiology, University of Health and Sports Science in Wrocław, 51-612 Wrocław, Poland.ORCID 0000-0001-7005-3018
Agnieszka Matylda SchlichtingerFaculty of Finance and Management, WSB Merito University in Wrocław, 53-609 Wrocław, Poland.ORCID 0000-0002-7408-3078

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

objectivesBody water, including its distribution between the intracellular (ICW) and extracellular (ECW) compartments, plays an important role in skeletal muscle physiology. The aim of this study was to assess whether body water distribution indices, namely ECW/ICW and ECW/TBW, differ according to age and sex, and whether they are associated with skeletal muscle index (SMI) after adjustment for BMI, age, and sex.

methodsThe study included 188 healthy individuals: 71 older women (71.6 ± 6.4 years), 37 older men (72.7 ± 4.7 years), 40 female students (22.5 ± 0.9 years), and 40 male students (22.8 ± 1.8 years). Body composition was assessed using a Tanita MC-780 bioimpedance analyser. The ECW/ICW and ECW/TBW ratios were calculated. Nonparametric analyses, Kendall's rank correlations, and linear regression models adjusted for BMI, age, and sex were used.

resultsOlder adults had significantly higher ECW/ICW and ECW/TBW values than younger participants, and women had higher values than men within the same age groups. Both indices correlated positively with age and BMI, and negatively with SMI. In multivariate models, ECW/TBW remained negatively associated with SMI after adjustment. BMI and male sex correlated positively with SMI, whereas age was not a significant predictor.

conclusionsBody water distribution indices (ECW/ICW, ECW/TBW) reflect age- and sex-related differences in water distribution and correlate with SMI independently of BMI, age, and sex. They may serve as complementary markers of skeletal muscle ageing.

Indexed as

AgingBody WaterMuscle, SkeletalAdultAgedAge FactorsBiomarkersBody CompositionBody Mass IndexFemaleHumansMaleSex FactorsYoung AdultBiomarkersbody water distributionsarcopeniaskeletal muscle ageing

Identifiers

PMID42280461
PMCPMC13259309

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.