Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model

Abstract Natural skin tension plays an important role during surgical procedures and during the healing process. Existing studies performed ex vivo give only a qualitative map of skin tension. In this study, we propose a quantitative characterization of skin tension in vivo using a new model. This m...

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Main Authors: Hassan Zahouani, Meriem Ayadh, Marie-Angèle Abellan, Armelle Bigouret
Format: Article
Language:English
Published: Nature Portfolio 2024-12-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-024-83490-5
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author Hassan Zahouani
Meriem Ayadh
Marie-Angèle Abellan
Armelle Bigouret
author_facet Hassan Zahouani
Meriem Ayadh
Marie-Angèle Abellan
Armelle Bigouret
author_sort Hassan Zahouani
collection DOAJ
description Abstract Natural skin tension plays an important role during surgical procedures and during the healing process. Existing studies performed ex vivo give only a qualitative map of skin tension. In this study, we propose a quantitative characterization of skin tension in vivo using a new model. This model consists in calculating the tension indices based on the equilibrium equation, and uses the Fourier transform. The study was carried out on 42 volunteers. Tension indices are calculated primarily from skin topology images performed on seven body areas: forearm, thigh, cheek, belly, upper chest, and arm (front and back face). A feasibility study of applying the model to LC-OCT and confocal microscopy images was then carried out. The results show that the skin tension is higher in the family of tension lines, and lower in the family of lines perpendicular to the tension lines. The tension indices quantify the state of the skin tension forces and allow to classify body areas according to their state of tension. With age, the skin loses its tension, leading to an imbalance of tension forces between the two families of lines. The results also show that the model can be used on deep skin images to study fiber tension.
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spelling doaj-art-3eca94d2476949c88ce7bd030fa3c69a2025-01-05T12:27:32ZengNature PortfolioScientific Reports2045-23222024-12-0114111410.1038/s41598-024-83490-5Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity modelHassan Zahouani0Meriem Ayadh1Marie-Angèle Abellan2Armelle Bigouret3Univ Lyon, Ecole Centrale de Lyon, CNRS, ENTPE, LTDS, UMR5513, ENISEUniv Lyon, Ecole Centrale de Lyon, CNRS, ENTPE, LTDS, UMR5513, ENISEUniv Lyon, Ecole Centrale de Lyon, CNRS, ENTPE, LTDS, UMR5513, ENISELaboratoires ClarinsAbstract Natural skin tension plays an important role during surgical procedures and during the healing process. Existing studies performed ex vivo give only a qualitative map of skin tension. In this study, we propose a quantitative characterization of skin tension in vivo using a new model. This model consists in calculating the tension indices based on the equilibrium equation, and uses the Fourier transform. The study was carried out on 42 volunteers. Tension indices are calculated primarily from skin topology images performed on seven body areas: forearm, thigh, cheek, belly, upper chest, and arm (front and back face). A feasibility study of applying the model to LC-OCT and confocal microscopy images was then carried out. The results show that the skin tension is higher in the family of tension lines, and lower in the family of lines perpendicular to the tension lines. The tension indices quantify the state of the skin tension forces and allow to classify body areas according to their state of tension. With age, the skin loses its tension, leading to an imbalance of tension forces between the two families of lines. The results also show that the model can be used on deep skin images to study fiber tension.https://doi.org/10.1038/s41598-024-83490-5Natural human skin tensionIn vivoTension indicesAnisotropy
spellingShingle Hassan Zahouani
Meriem Ayadh
Marie-Angèle Abellan
Armelle Bigouret
Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model
Scientific Reports
Natural human skin tension
In vivo
Tension indices
Anisotropy
title Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model
title_full Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model
title_fullStr Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model
title_full_unstemmed Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model
title_short Considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2D skin tension integrity model
title_sort considering the effect of residual tension forces on the wavelength anisometry of skin imaging by 2d skin tension integrity model
topic Natural human skin tension
In vivo
Tension indices
Anisotropy
url https://doi.org/10.1038/s41598-024-83490-5
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AT marieangeleabellan consideringtheeffectofresidualtensionforcesonthewavelengthanisometryofskinimagingby2dskintensionintegritymodel
AT armellebigouret consideringtheeffectofresidualtensionforcesonthewavelengthanisometryofskinimagingby2dskintensionintegritymodel