{"id":65755,"date":"2021-04-26T10:57:24","date_gmt":"2021-04-26T14:57:24","guid":{"rendered":"https:\/\/rheolution.com\/?p=65755"},"modified":"2026-08-17T12:31:56","modified_gmt":"2026-08-17T16:31:56","slug":"pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain","status":"publish","type":"post","link":"https:\/\/rheolution.com\/fr\/articles-rheolution\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\/","title":{"rendered":"Pourquoi la visco\u00e9lasticit\u00e9 est-elle si importante dans le corps humain ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"65755\" class=\"elementor elementor-65755 elementor-14799\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-eb02d33 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eb02d33\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4e47396\" data-id=\"4e47396\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b5fd5c2 elementor-widget elementor-widget-text-editor\" data-id=\"b5fd5c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Article de Rheolution<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-396b04d elementor-widget elementor-widget-heading\" data-id=\"396b04d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Pourquoi la visco\u00e9lasticit\u00e9 est-elle si importante dans le corps humain ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-481a7bd elementor-widget elementor-widget-text-editor\" data-id=\"481a7bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"raw_components--panel--3IcXg inspect_panels--inspectionPanel--3Wboz\"><div class=\"inspect_panels--copyableRow--2_PiZ inspect_panels--highlightRow--21P9S\"><div class=\"inspect_panels--propertyRowContent--7Y-mu inspect_panels--copyableRow--2_PiZ inspect_panels--highlightRow--21P9S\"><div class=\"inspect_panels--contentProperty--2Z1QI text--fontPos11--RSei3 text--_fontBase--YWDo0 ellipsis--ellipsisAfter8Lines--2rn32 ellipsis--_ellipsisAfterNLines--26JkZ\"><p>par le Dr Dimitria Bonizol Camasao,<br \/>sp\u00e9cialiste senior des applications, Rheolution Inc.<\/p><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-674980fc elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"674980fc\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2d275167\" data-id=\"2d275167\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a05c843 elementor-widget elementor-widget-text-editor\" data-id=\"4a05c843\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<span style=\"color: #13223c\"><span style=\"font-weight: 400;font-family: &apos;Red Hat Text&apos;\">Si vous observez n&rsquo;importe quelle cicatrice sur votre peau, vous constaterez une diff\u00e9rence de visco\u00e9lasticit\u00e9. Les cicatrices   <\/span><span style=\"font-weight: 400\">r\u00e9sultent du processus biologique de cicatrisation qui peut se produire dans n&rsquo;importe quel <\/span><a style=\"color: #13223c\" href=\"https:\/\/en.wikipedia.org\/wiki\/Organ_(anatomy)\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\"><span style=\"text-decoration: underline\">organe<\/span><\/span><\/a><span style=\"font-weight: 400\"> ou <\/span><span style=\"text-decoration: underline\"><a style=\"color: #13223c;text-decoration: underline\" href=\"https:\/\/en.wikipedia.org\/wiki\/Biological_tissue\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400\">tissu<\/span><\/a><\/span><span style=\"font-weight: 400\"> du corps. <\/span> <span style=\"font-weight: 400;font-family: &apos;Red Hat Text&apos;\">Une cicatrice pr\u00e9sente un aspect, une texture et, souvent, une duret\u00e9 nettement diff\u00e9rents de ceux des tissus environnants. Au niveau de la peau, cette diff\u00e9rence ne devrait pas poser de probl\u00e8mes majeurs, hormis d&rsquo;ordre esth\u00e9tique. En revanche, au niveau des tissus et organes internes, les cicatrices peuvent nuire \u00e0 leur bon fonctionnement. Une crise cardiaque, par exemple, peut entra\u00eener la formation de cicatrices dans le muscle cardiaque, ce qui se traduit par une perte de force musculaire et peut conduire \u00e0 une insuffisance cardiaque.   <\/span><\/span>\n\n<span style=\"color: #13223c\"><span style=\"font-weight: 400;font-family: &apos;Red Hat Text&apos;\">Un point important \u00e0 retenir de cet exemple est que<\/span><b> tous les composants de notre corps pr\u00e9sentent, dans une certaine mesure, un comportement visco\u00e9lastique, et ce comportement est li\u00e9 \u00e0 leur fonction au sein de l&rsquo;organisme.<\/b><span style=\"font-weight: 400\"> En d\u2019autres termes, les cellules, les tissus et les organes pr\u00e9sentent une combinaison de r\u00e9ponses visqueuses et \u00e9lastiques lorsqu\u2019ils sont soumis \u00e0 des forces m\u00e9caniques, et cette r\u00e9ponse visco\u00e9lastique fait partie int\u00e9grante de leur r\u00f4le physiologique principal.<\/span><\/span>\n\n<span style=\"color: #13223c\"><span style=\"font-weight: 400\">Pour approfondir la question du comportement visco\u00e9lastique : d&rsquo;une part, un mat\u00e9riau peut se comporter comme un fluide (visqueux)<\/span><span style=\"font-weight: 400\">  capable de s&rsquo;\u00e9couler lorsqu&rsquo;il est soumis \u00e0 une force. \u00c0 l&rsquo;oppos\u00e9, un mat\u00e9riau peut se comporter comme un solide (\u00e9lastique) capable de se d\u00e9former sous l&rsquo;effet d&rsquo;une force appliqu\u00e9e et de revenir instantan\u00e9ment \u00e0 son \u00e9tat initial lorsque la force est supprim\u00e9e. Un objet visco\u00e9lastique pr\u00e9sentera donc ces deux types de r\u00e9ponses. Il se d\u00e9formera sous l\u2019effet de la force et reviendra lentement \u00e0 son \u00e9tat initial une fois la force supprim\u00e9e.     <\/span><\/span>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1bcc2c2 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1bcc2c2\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5c0e51b\" data-id=\"5c0e51b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d8fc356 elementor-widget elementor-widget-heading\" data-id=\"d8fc356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">En quoi ce comportement visco\u00e9lastique peut-il \u00eatre mis en relation avec un organe ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66a8fb4 elementor-widget elementor-widget-text-editor\" data-id=\"66a8fb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #13223c\"><span style=\"font-weight: 400;font-family: &apos;Red Hat Text&apos;\">Le corps humain est constamment soumis \u00e0 l&rsquo;action d&rsquo;un certain nombre de forces \u00e0 diff\u00e9rentes \u00e9chelles. En commen\u00e7ant par les plus grandes \u00e9chelles,   <\/span><span style=\"font-weight: 400\">La gravit\u00e9 est une force qui tire vers le bas et que la Terre exerce sur l&rsquo;ensemble du corps. Les os, les muscles et le c\u0153ur agissent contre la gravit\u00e9 pour permettre au corps de se tenir debout, de se d\u00e9placer et d&rsquo;acheminer le sang vers notre cerveau, par exemple.   <\/span><span style=\"font-weight: 400\">Les muscles exercent des forces motrices sur diff\u00e9rentes parties du corps humain lorsque l&rsquo;on marche, que l&rsquo;on court, que l&rsquo;on s&rsquo;\u00e9tire ou que l&rsquo;on effectue des mouvements en g\u00e9n\u00e9ral.  <\/span><\/span><\/p><p><span style=\"color: #13223c\"><span style=\"font-weight: 400\">\u00c0 plus petite \u00e9chelle, le sang pu\u2026<\/span><span style=\"font-weight: 400\">Elle s&rsquo;exerce contre les parois des vaisseaux sanguins \u00e0 chaque battement cardiaque. Les gaz pr\u00e9sents dans les alv\u00e9oles pulmonaires exercent des forces contre leurs parois, ce qui les fait se dilater ; cette dilatation entra\u00eene \u00e0 son tour l&rsquo;expansion des poumons et de la cage thoracique lors de la respiration.   <\/span><span style=\"font-weight: 400\">Tous ces organes et tissus sont compos\u00e9s de prot\u00e9ines, d&rsquo;eau et de cellules qui r\u00e9agissent, de mani\u00e8re passive ou active, \u00e0 ces forces. La r\u00e9ponse \u00e0 toutes ces forces est tr\u00e8s sp\u00e9cifique \u00e0 chaque tissu et contribue au fonctionnement de l&rsquo;organisme.   <\/span><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee50a11 elementor-widget elementor-widget-heading\" data-id=\"ee50a11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quelles sont les applications concr\u00e8tes de ces informations ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca4902b elementor-widget elementor-widget-text-editor\" data-id=\"ca4902b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;color: #13223c;font-family: &apos;Red Hat Text&apos;\">La compr\u00e9hension de la visco\u00e9lasticit\u00e9 dans le corps humain rev\u00eat une importance capitale, principalement pour les deux raisons \u00e9num\u00e9r\u00e9es ci-dessous :  <\/span><\/p><p><span style=\"color: #13223c\"><strong>1. Les diff\u00e9rences de visco\u00e9lasticit\u00e9 des tissus peuvent \u00eatre li\u00e9es \u00e0 la pr\u00e9sence de maladies<\/strong><\/span><\/p><p><span style=\"color: #13223c\">Les tissus humains, tels que la peau, les muscles, le c\u0153ur et le tissu adipeux, poss\u00e8dent chacun une visco\u00e9lasticit\u00e9 qui leur est propre. Une technique d\u2019imagerie m\u00e9dicale appel\u00e9e \u00ab \u00e9lastographie \u00bb est utilis\u00e9e pour cartographier de mani\u00e8re non invasive les propri\u00e9t\u00e9s visco\u00e9lastiques des tissus mous \u00e0 l\u2019int\u00e9rieur du corps. Ces informations sont utiles pour d\u00e9tecter la pr\u00e9sence et la gravit\u00e9 de certaines maladies. Par exemple, la fibrose h\u00e9patique correspond \u00e0 la formation d\u2019une quantit\u00e9 anormalement importante de tissu cicatriciel lorsque le foie tente de r\u00e9parer et de remplacer les tissus endommag\u00e9s. La pr\u00e9sence d\u2019une fibrose devrait se traduire par des zones plus dures pr\u00e9sentant des valeurs de rigidit\u00e9 plus \u00e9lev\u00e9es. Par cons\u00e9quent, les r\u00e9sultats de l\u2019\u00e9lastographie peuvent mettre en \u00e9vidence la pr\u00e9sence et l\u2019\u00e9tendue de la fibrose, ce qui peut aider \u00e0 choisir le traitement le plus adapt\u00e9.       <\/span><\/p><p><span style=\"color: #13223c\"><strong>2. Les traitements et th\u00e9rapies impliquant l&rsquo;utilisation de tout type de biomat\u00e9riau doivent reproduire la r\u00e9ponse visco\u00e9lastique naturelle du site d&rsquo;implantation<\/strong><\/span><\/p><p><span style=\"color: #13223c\">Les biomat\u00e9riaux sont utilis\u00e9s pour la fabrication d&rsquo;implants m\u00e9dicaux destin\u00e9s \u00e0 \u00eatre plac\u00e9s \u00e0 l&rsquo;int\u00e9rieur ou \u00e0 la surface du corps. Au sens tr\u00e8s large, un biomat\u00e9riau est une substance biologique ou synth\u00e9tique qui, une fois implant\u00e9e dans le corps, provoque une r\u00e9ponse contr\u00f4l\u00e9e de l&rsquo;h\u00f4te. Un biomat\u00e9riau id\u00e9al devrait imiter les propri\u00e9t\u00e9s du site d&rsquo;implantation. Dans notre <span style=\"text-decoration: underline\"><a style=\"color: #13223c;text-decoration: underline\" href=\"https:\/\/rheolution.com\/2021\/04\/12\/when-mechanical-testing-slows-down-the-development-of-bioengineered-vascular-grafts\/\" target=\"_blank\" rel=\"noopener\">derni\u00e8re publication<\/a><\/span>, par exemple, nous avons vu que des chercheurs tentent de mettre au point des greffons vasculaires alternatifs aux greffons synth\u00e9tiques rigides actuellement disponibles sur le march\u00e9. Cette incompatibilit\u00e9 en termes de rigidit\u00e9 emp\u00eache l\u2019utilisation des greffons existants pour remplacer les vaisseaux de petit diam\u00e8tre. Chimistes, physiciens, biologistes et ing\u00e9nieurs ont uni leur expertise pour mettre au point des biomat\u00e9riaux reproduisant les propri\u00e9t\u00e9s biologiques et m\u00e9caniques de diff\u00e9rents tissus humains, afin qu\u2019ils puissent pr\u00e9senter une r\u00e9ponse similaire sous l\u2019action de forces externes ou internes.     <\/span><\/p><p><span style=\"font-weight: 400;color: #13223c\">Pour illustrer l&rsquo;importance de reproduire les propri\u00e9t\u00e9s des tissus naturels, nous pouvons utiliser des engrenages comme analogie pour les organes et les tissus du corps humain, comme le montre l&rsquo;illustration ci-dessous :<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9b3c83b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b3c83b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-f3ca43b\" data-id=\"f3ca43b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2266aad elementor-widget elementor-widget-image\" data-id=\"2266aad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"942\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?fit=1024%2C942&amp;ssl=1\" class=\"attachment-large size-large wp-image-44274\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?w=4814&amp;ssl=1 4814w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=300%2C276&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=1024%2C942&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=768%2C706&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=1536%2C1413&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=2048%2C1883&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=1200%2C1104&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=159%2C146&amp;ssl=1 159w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=50%2C46&amp;ssl=1 50w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?resize=82%2C75&amp;ssl=1 82w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:1024px) 100vw, 1024px\" data-attachment-id=\"44274\" data-permalink=\"https:\/\/rheolution.com\/fr\/articles-rheolution\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\/attachment\/persongeers_half2-03-4\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?fit=4814%2C4427&amp;ssl=1\" data-orig-size=\"4814,4427\" data-comments-opened=\"1\" data-image-title=\"viscoelasticity in human body\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/PersonGeers_Half2-03-e1621953873607.jpg?fit=1024%2C942&amp;ssl=1\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bdd971a\" data-id=\"bdd971a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-07c71e1 elementor-widget elementor-widget-text-editor\" data-id=\"07c71e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #13223c;font-size: 12pt\"><span style=\"font-family: &apos;Red Hat Text&apos;\"><span style=\"font-weight: 400\">Supposons que chacun de ces engrenages m\u00e9talliques (repr\u00e9sent\u00e9s ici en orange) tourne \u00e0 une vitesse sp\u00e9cifique pour assurer le bon fonctionnement de l&rsquo;ensemble. Imaginez maintenant que nous remplacions l&rsquo;un de ces engrenages par un autre de dimensions similaires, mais en caoutchouc dur (repr\u00e9sent\u00e9 en bleu marine). Peut-on s&rsquo;attendre \u00e0 ce que ce syst\u00e8me continue de fonctionner exactement de la m\u00eame mani\u00e8re qu&rsquo;auparavant ? \u00c0 titre d&rsquo;exemple,     <\/span><span style=\"font-weight: 400\">Le frottement entre le caoutchouc et le m\u00e9tal est diff\u00e9rent de celui entre deux m\u00e9taux ; par cons\u00e9quent, la force s&rsquo;opposant au mouvement relatif des engrenages sera diff\u00e9rente.  <\/span><\/span><span style=\"font-weight: 400\"><span style=\"font-family: &apos;Red Hat Text&apos;\">Il se peut que ces l\u00e9g\u00e8res diff\u00e9rences passent inaper\u00e7ues au d\u00e9but, mais avec le temps, leur accumulation peut avoir des r\u00e9percussions sur diff\u00e9rentes parties du syst\u00e8me.<\/span> <\/span><\/span><\/p><p> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-43336a8 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"43336a8\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b48b743\" data-id=\"b48b743\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1796e3c elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1796e3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-family: &apos;Red Hat Text&apos;, sans-serif;font-size: 16px;font-style: normal;font-weight: 400\"><br><\/span><\/p><p><span style=\"font-family: &apos;Red Hat Text&apos;, sans-serif;font-size: 16px;font-style: normal;font-weight: 400\">Comme on peut le constater, la visco\u00e9lasticit\u00e9 est une propri\u00e9t\u00e9 physique \u00e9troitement li\u00e9e \u00e0 la fonction des tissus. Il est important de comprendre cette relation et de pouvoir mesurer cette propri\u00e9t\u00e9 afin de d\u00e9tecter la pr\u00e9sence et la gravit\u00e9 des maladies, d\u2019am\u00e9liorer les soins de sant\u00e9 et de mettre au point de nouveaux traitements et th\u00e9rapies pour les maladies pour lesquelles il existe encore des besoins m\u00e9dicaux non satisfaits. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6671c92 elementor-hidden-mobile elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6671c92\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1c98fe9\" data-id=\"1c98fe9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d0ed7e elementor-cta--layout-image-left elementor-cta--valign-middle elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"8d0ed7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/4-1.png?fit=1200%2C1200&#038;ssl=1);\" role=\"img\" aria-label=\"ElastoSens\u2122 Bio\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tElastoSens\u2122 Bio\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tD\u00e9couvrez comment notre technologie mesure de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques des biomat\u00e9riaux mous et des tissus en utilisant des micro-volumes d\u2019\u00e9chantillons\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/rheolution.com\/fr\/produits\/elastosens-bio\/instrument\/\">\n\t\t\t\t\t\tEn savoir plus\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9825afa elementor-section-full_width elementor-section-stretched elementor-hidden-desktop elementor-section-height-default elementor-section-height-default\" data-id=\"9825afa\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dd94164\" data-id=\"dd94164\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f244996 elementor-cta--layout-image-left elementor-cta--mobile-layout-image-above elementor-cta--valign-middle elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"f244996\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/4-1.png?fit=1200%2C1200&#038;ssl=1);\" role=\"img\" aria-label=\"ElastoSens\u2122 Bio\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tElastoSens\u2122 Bio\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tD\u00e9couvrez comment notre technologie mesure de mani\u00e8re non destructive les propri\u00e9t\u00e9s visco\u00e9lastiques des biomat\u00e9riaux mous et des tissus en utilisant des micro-volumes d\u2019\u00e9chantillons\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/rheolution.com\/fr\/produits\/elastosens-bio\/instrument\/\">\n\t\t\t\t\t\tEn savoir plus\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7e65529d elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7e65529d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2bb41930\" data-id=\"2bb41930\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b1a81bd elementor-align-center elementor-widget elementor-widget-button\" data-id=\"7b1a81bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/rheolution.com\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">N'h\u00e9sitez pas \u00e0 nous contacter pour en savoir plus<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-218088e elementor-section-stretched animated-slow elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"218088e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-74e49e1\" data-id=\"74e49e1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b54363 elementor-widget elementor-widget-text-editor\" data-id=\"4b54363\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center\">Articles connexes<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-83cf9e0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"83cf9e0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-273d0b0\" data-id=\"273d0b0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f3b0a4a premium-blog-cta-full-yes premium-floating-effects-yes premium-disable-fe-yes premium-blog-align-left elementor-widget elementor-widget-premium-addon-blog\" data-id=\"f3b0a4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;force_height&quot;:&quot;true&quot;,&quot;premium_blog_grid&quot;:&quot;yes&quot;,&quot;premium_blog_layout&quot;:&quot;even&quot;,&quot;premium_blog_columns_number&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_tablet&quot;:&quot;50%&quot;,&quot;premium_blog_columns_number_mobile&quot;:&quot;100%&quot;,&quot;scroll_to_offset&quot;:&quot;yes&quot;,&quot;premium_fe_trigger&quot;:&quot;load&quot;,&quot;premium_fe_direction&quot;:&quot;alternate&quot;,&quot;premium_fe_loop&quot;:&quot;default&quot;,&quot;premium_fe_easing&quot;:&quot;easeInOutSine&quot;}\" data-widget_type=\"premium-addon-blog.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\n\n\t\t\t\t<div class=\"premium-blog-wrap  premium-blog-even\" data-page=\"65755\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"1\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"6912\" height=\"2591\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?fit=6912%2C2591&amp;ssl=1\" class=\"attachment-full size-full wp-image-61394\" alt=\"\" data-attachment-id=\"61394\" data-permalink=\"https:\/\/rheolution.com\/fr\/skin-2-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?fit=6912%2C2591&amp;ssl=1\" data-orig-size=\"6912,2591\" data-comments-opened=\"1\" data-image-title=\"Skin-2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?fit=1024%2C384&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?w=6912&amp;ssl=1 6912w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=300%2C112&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=1024%2C384&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=768%2C288&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=1536%2C576&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=2048%2C768&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=150%2C56&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?resize=700%2C262&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Skin-2.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:6912px) 100vw, 6912px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesure-des-proprietes-mecaniques-de-la-peau\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Mesure des propri\u00e9t\u00e9s m\u00e9caniques de la peau<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesure-des-proprietes-mecaniques-de-la-peau\/\" target=\"_blank\">\n\t\t\t\tMesure des propri\u00e9t\u00e9s m\u00e9caniques de la peau\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">La peau n\u2019est pas seulement le plus grand organe du corps, mais \u00e9galement une barri\u00e8re m\u00e9canique dynamique qui prot\u00e8ge contre les agressions environnementales, r\u00e9gule l\u2019\u00e9quilibre hydrique et contribue \u00e0 la perception sensorielle. Son fonctionnement d\u00e9pend fortement de l\u2019organisation structurelle du collag\u00e8ne, de l\u2019\u00e9lastine et d\u2019autres composants dermiques, qui, ensemble, donnent lieu \u00e0 des comportements m\u00e9caniques uniques tels que l\u2019\u00e9lasticit\u00e9, la rigidit\u00e9 et la visco\u00e9lasticit\u00e9. La mesure de ces propri\u00e9t\u00e9s permet de mieux comprendre comment la peau r\u00e9agit aux forces exerc\u00e9es au quotidien, qu\u2019il s\u2019agisse d\u2019\u00e9tirement, de compression ou de cisaillement.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesure-des-proprietes-mecaniques-de-la-peau\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<div class=\"premium-blog-post-outer-container\" data-total=\"1\">\n\t\t\t<div class=\"premium-blog-post-container premium-blog-skin-classic\">\n\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumb-effect-wrapper\">\n\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-container premium-blog-zoomin-effect\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"8448\" height=\"3166\" src=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?fit=8448%2C3166&amp;ssl=1\" class=\"attachment-full size-full wp-image-61633\" alt=\"\" data-attachment-id=\"61633\" data-permalink=\"https:\/\/rheolution.com\/fr\/heart-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?fit=8448%2C3166&amp;ssl=1\" data-orig-size=\"8448,3166\" data-comments-opened=\"1\" data-image-title=\"Heart\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?fit=1024%2C384&amp;ssl=1\" srcset=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?w=8448&amp;ssl=1 8448w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=300%2C112&amp;ssl=1 300w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=1024%2C384&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=768%2C288&amp;ssl=1 768w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=1536%2C576&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=2048%2C768&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=150%2C56&amp;ssl=1 150w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?resize=700%2C262&amp;ssl=1 700w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?w=2440&amp;ssl=1 2440w, https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/Heart.jpg?w=3660&amp;ssl=1 3660w\" sizes=\"(max-width:767px) 700px, (max-width:8448px) 100vw, 8448px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-thumbnail-overlay\">\n\t\t\t\t\t\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesure-des-proprietes-mecaniques-du-tissu-cardiaque\/\" target=\"_blank\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-screen-only\">Mesure des propri\u00e9t\u00e9s m\u00e9caniques du tissu cardiaque<\/span>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"premium-blog-content-wrapper \">\n\n\t\t\t\t\t<div class=\"premium-blog-inner-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"premium-blog-entry-title\">\n\t\t\t<a href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesure-des-proprietes-mecaniques-du-tissu-cardiaque\/\" target=\"_blank\">\n\t\t\t\tMesure des propri\u00e9t\u00e9s m\u00e9caniques du tissu cardiaque\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"premium-blog-entry-meta\">\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"premium-blog-content-inner-wrapper\">\n\t\t<p class=\"premium-blog-post-content\">L'intestin est un segment hautement sp\u00e9cialis\u00e9 du tube digestif, charg\u00e9 de l'absorption des nutriments, de l'\u00e9quilibre hydrique et d'une interaction continue avec le microbiome. Son fonctionnement d\u00e9pend non seulement de l'activit\u00e9 biochimique, mais \u00e9galement des propri\u00e9t\u00e9s m\u00e9caniques de la paroi intestinale, qui d\u00e9terminent la mani\u00e8re dont celle-ci se dilate, se contracte et transporte le contenu luminal. La paroi intestinale est une structure stratifi\u00e9e compos\u00e9e de la muqueuse, de la sous-muqueuse, de la couche musculaire et de la s\u00e9reuse, chacune apportant des comportements m\u00e9caniques distincts tels que l\u2019\u00e9lasticit\u00e9, la compliance et l\u2019anisotropie.<\/p><div class=\"premium-blog-excerpt-link-wrap\"><a href=\"https:\/\/rheolution.com\/fr\/notes-application\/mesure-des-proprietes-mecaniques-du-tissu-cardiaque\/\" target=\"_blank\" class=\"premium-blog-excerpt-link elementor-button\">Lire la suite \u00bb<\/a><\/div>\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les cicatrices, qui r\u00e9sultent du processus de cicatrisation, pr\u00e9sentent des diff\u00e9rences de visco\u00e9lasticit\u00e9 par rapport aux tissus environnants. Alors que les cicatrices cutan\u00e9es peuvent principalement avoir un impact esth\u00e9tique, celles pr\u00e9sentes dans les tissus et organes internes peuvent alt\u00e9rer leur fonctionnement. Par exemple, la formation d\u2019une cicatrice dans le muscle cardiaque apr\u00e8s un infarctus peut entra\u00eener une diminution de la force musculaire et un risque d\u2019insuffisance cardiaque. Il est important de noter que le comportement visco\u00e9lastique est inh\u00e9rent \u00e0 tous les composants du corps et qu\u2019il joue un r\u00f4le dans leur fonction physiologique. Les cellules, les tissus et les organes pr\u00e9sentent \u00e0 la fois des r\u00e9ponses visqueuses (de type fluide) et \u00e9lastiques (de type solide) lorsqu\u2019ils sont soumis \u00e0 des forces m\u00e9caniques. Cette r\u00e9ponse visco\u00e9lastique permet une d\u00e9formation sous l\u2019effet d\u2019une force, puis un retour progressif \u00e0 l\u2019\u00e9tat initial une fois la force supprim\u00e9e.     <\/p>\n","protected":false},"author":195401338,"featured_media":44395,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"image","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[306],"tags":[124,100,87],"class_list":["post-65755","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-articles-rheolution","tag-life-sciences","tag-native-tissues","tag-viscoelasticity","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pourquoi la Visco\u00e9lasticit\u00e9 est-elle Importante dans le Corps ?<\/title>\n<meta name=\"description\" content=\"Si vous observez n&#039;importe quelle cicatrice sur votre peau, vous constaterez une diff\u00e9rence de visco\u00e9lasticit\u00e9. 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Les cicatrices r\u00e9sultent du processus biologique de cicatrisation de la peau, comme c&#039;est le cas pour tous les autres organes et tissus du corps.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rheolution.com\/fr\/articles-rheolution\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\/\" \/>\n<meta property=\"og:site_name\" content=\"Rheolution\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-26T14:57:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-17T16:31:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/rheolution.com\/wp-content\/uploads\/2021\/04\/image-blog.jpg?fit=1200%2C450&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"450\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Cedric Schmitt\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cedric Schmitt\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/\"},\"author\":{\"name\":\"Cedric Schmitt\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#\\\/schema\\\/person\\\/82756ffafc3b144a770de4fcc8a91895\"},\"headline\":\"Pourquoi la visco\u00e9lasticit\u00e9 est-elle si importante dans le corps humain ?\",\"datePublished\":\"2021-04-26T14:57:24+00:00\",\"dateModified\":\"2026-08-17T16:31:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/\"},\"wordCount\":1755,\"publisher\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/rheolution.com\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/image-blog.jpg?fit=1200%2C450&ssl=1\",\"keywords\":[\"Life Sciences\",\"Native tissues\",\"Viscoelasticity\"],\"articleSection\":[\"Rheolution-article\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/\",\"url\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/\",\"name\":\"Pourquoi la Visco\u00e9lasticit\u00e9 est-elle Importante dans le Corps ?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rheolution.com\\\/fr\\\/articles-rheolution\\\/pourquoi-la-viscoelasticite-est-elle-si-importante-dans-le-corps-humain\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/rheolution.com\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/image-blog.jpg?fit=1200%2C450&ssl=1\",\"datePublished\":\"2021-04-26T14:57:24+00:00\",\"dateModified\":\"2026-08-17T16:31:56+00:00\",\"description\":\"Si vous observez n'importe quelle cicatrice sur votre peau, vous constaterez une diff\u00e9rence de visco\u00e9lasticit\u00e9. 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