{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T04:02:16Z","timestamp":1792036936281,"version":"4.4.0"},"reference-count":41,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,2,17]],"date-time":"2023-02-17T00:00:00Z","timestamp":1676592000000},"content-version":"vor","delay-in-days":16,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Skin Research and Technology"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Skin is the largest organ in the body, representing an important interface to monitor health and disease. However, there is significant variation in skin properties for different ages, genders and body regions due to the differences in the structure and morphology of the skin tissues. This study aimed to evaluate the use of non\u2010invasive tools to discriminate a range of mechanical and functional skin parameters from different skin sites.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>A cohort of 15 healthy volunteers was recruited following appropriate informed consent. Four well\u2010established CE\u2010marked non\u2010invasive techniques were used to measure four anatomical regions: palm, forearm, sole and lower lumbar L3, using a repeated measures design. Skin parameters included trans\u2010epidermal water loss (TEWL), pH (acidity), erythema, stratum corneum hydration and stiffness and elasticity using Myoton Pro (skin and muscle probe). Differences between body locations for each parameter and the intra\u2010rater reliability between days were evaluated by the same operator.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results indicate that parameters differed significantly between skin sites. For the Myoton skin probe, the sole recorded the highest stiffness value of 1006 N\/m (SD\u00a0\u00b1\u00a0179), while the lower lumbar recorded the least value of 484 N\/m (SD\u00a0\u00b1\u00a0160). The muscle indenter Myoton probe revealed the palm's highest value of 754 N\/m (\u00b1\u00a0108), and the lower lumbar recorded the least value of 208 N\/m (SD\u00a0\u00b1\u00a044). TEWL values were lowest on the forearm, averaging 11\u00a0g\/m2\/h, and highest on the palm, averaging 41\u00a0g\/m2\/h. Similar skin hydration levels were recorded in three of the four sites, with the main difference being observed in the sole averaging 13 arbitrary units. Erythema values were characterised by a high degree of inter\u2010subject variation, and no significant differences between sites or sides were observed. The Myoton Pro Skin showed excellent reliability (intra\u2010class correlation coefficients\u00a0&gt;\u00a00.70) for all sites with exception of one site right lower back; the Myoton pro muscle probes showed good to poor reliability (0.90\u2013017), the corneometer showed excellent reliability (&gt;0.75) among all the sites tested, and the TEWL showed Good to poor reliability (0.74\u20130.4) among sites.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The study revealed that using non\u2010invasive methods, the biophysical properties of skin can be mapped, and significant differences in the mechanical and functional properties of skin were observed. These parameters were reliably recorded between days, providing a basis for their use in assessing and monitoring changes in the skin during health and disease.<\/jats:p><\/jats:sec>","DOI":"10.1111\/srt.13292","type":"journal-article","created":{"date-parts":[[2023,2,18]],"date-time":"2023-02-18T12:50:25Z","timestamp":1676724625000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["An evaluation of mechanical and biophysical skin parameters at different body locations"],"prefix":"10.1111","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3080-7393","authenticated-orcid":false,"given":"Anto J. U. 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