{"id":2139,"date":"2025-07-13T15:50:52","date_gmt":"2025-07-13T13:50:52","guid":{"rendered":"https:\/\/osteopathe-sendao.fr\/?p=2139"},"modified":"2025-07-13T19:17:58","modified_gmt":"2025-07-13T17:17:58","slug":"irm-dynamique-dans-lanalyse-des-contraintes-discales","status":"publish","type":"post","link":"https:\/\/osteopathe-sendao.fr\/index.php\/2025\/07\/13\/irm-dynamique-dans-lanalyse-des-contraintes-discales\/","title":{"rendered":"IRM dynamique dans l&rsquo;analyse des contraintes discales"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2139\" class=\"elementor elementor-2139\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9419438 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9419438\" data-element_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-e6ead99\" data-id=\"e6ead99\" data-element_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-8af836d elementor-widget elementor-widget-image\" data-id=\"8af836d\" data-element_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=\"846\" src=\"https:\/\/osteopathe-sendao.fr\/wp-content\/uploads\/2025\/07\/IRM-lombaire-dynamique-1024x846.jpg\" class=\"attachment-large size-large wp-image-2141\" alt=\"\" srcset=\"https:\/\/osteopathe-sendao.fr\/wp-content\/uploads\/2025\/07\/IRM-lombaire-dynamique-1024x846.jpg 1024w, https:\/\/osteopathe-sendao.fr\/wp-content\/uploads\/2025\/07\/IRM-lombaire-dynamique-300x248.jpg 300w, https:\/\/osteopathe-sendao.fr\/wp-content\/uploads\/2025\/07\/IRM-lombaire-dynamique-768x634.jpg 768w, https:\/\/osteopathe-sendao.fr\/wp-content\/uploads\/2025\/07\/IRM-lombaire-dynamique.jpg 1372w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aeca77d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aeca77d\" data-element_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-6c3604f\" data-id=\"6c3604f\" data-element_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-d031a77 elementor-widget elementor-widget-text-editor\" data-id=\"d031a77\" data-element_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 data-start=\"42\" data-end=\"79\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Voici une image d\u2019IRM dynamique lombaire en flexion\u2011extension (sagittal) obtenue en position debout\u202f:<\/span><\/p>\n<ul data-start=\"81\" data-end=\"239\">\n<li data-start=\"81\" data-end=\"120\">\n<p data-start=\"83\" data-end=\"120\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u00c0 gauche : position <strong data-start=\"20\" data-end=\"30\">neutre<\/strong>, colonne lombaire avec lordose physiologique.<\/span><\/p>\n<\/li>\n<li data-start=\"121\" data-end=\"160\">\n<p data-start=\"123\" data-end=\"160\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Au centre : en <strong data-start=\"15\" data-end=\"26\">flexion<\/strong>, la courbure s\u2019aplanit, les disques sont comprim\u00e9s <strong data-start=\"78\" data-end=\"94\">en ant\u00e9rieur<\/strong> et \u00e9tir\u00e9s <strong data-start=\"105\" data-end=\"122\">en post\u00e9rieur<\/strong>.<\/span><\/p>\n<\/li>\n<li data-start=\"161\" data-end=\"239\">\n<p data-start=\"163\" data-end=\"239\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">\u00c0 droite : en <strong data-start=\"14\" data-end=\"27\">extension<\/strong>, la courbure s\u2019accentue, les disques sont compress\u00e9s <strong data-start=\"81\" data-end=\"98\">en post\u00e9rieur<\/strong>, ce qui r\u00e9duit l\u2019espace canalaire, en particulier au niveau des <strong data-start=\"163\" data-end=\"183\" data-is-last-node=\"\">ligaments jaunes.<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"241\" data-end=\"244\">\n<h3 data-start=\"246\" data-end=\"305\">Ce que permet de visualiser l\u2019IRM dynamique lombaire<\/h3>\n<ol data-start=\"307\" data-end=\"994\">\n<li data-start=\"307\" data-end=\"517\">\n<p data-start=\"310\" data-end=\"349\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><strong data-start=\"0\" data-end=\"43\" data-is-last-node=\"\" data-is-only-node=\"\">Accentuation de la lordose en extension<\/strong><\/span><\/p>\n<ul data-start=\"353\" data-end=\"517\">\n<li data-start=\"353\" data-end=\"433\">\n<p data-start=\"355\" data-end=\"433\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Cela provoque un <strong data-start=\"17\" data-end=\"41\">bombement post\u00e9rieur<\/strong> du disque\u202f: la hernie pr\u00e9sente en ant\u00e9rieur dans la flexion peut s\u2019aggraver en extension<\/span> .<\/p>\n<\/li>\n<li data-start=\"437\" data-end=\"517\">\n<p data-start=\"439\" data-end=\"517\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Le <strong data-start=\"3\" data-end=\"21\">ligament jaune<\/strong> se plisse (terme : <em data-start=\"41\" data-end=\"51\">buckling<\/em>), r\u00e9duisant le calibre du canal rachidien (st\u00e9nose)<\/span> .<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"519\" data-end=\"730\">\n<p data-start=\"522\" data-end=\"563\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><strong data-start=\"0\" data-end=\"35\" data-is-last-node=\"\" data-is-only-node=\"\">Instabilit\u00e9 vert\u00e9brale d\u00e9tect\u00e9e<\/strong><\/span><\/p>\n<ul data-start=\"567\" data-end=\"730\">\n<li data-start=\"567\" data-end=\"730\">\n<p data-start=\"569\" data-end=\"730\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Des <strong data-start=\"4\" data-end=\"32\">diapositives vert\u00e9brales<\/strong> (spondylolisth\u00e9sis \u00e9volutif) apparaissent en extension\/flexion, visibles sur les radiographies dynamiques<\/span>. <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Cela aide \u00e0 diagnostiquer une instabilit\u00e9 segmentaire (translation &gt;\u202f5\u202fmm ou angulation &gt;\u202f10\u00b0)<\/span>.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"732\" data-end=\"862\">\n<p data-start=\"735\" data-end=\"776\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><strong data-start=\"0\" data-end=\"32\" data-is-last-node=\"\" data-is-only-node=\"\">Hernie discale fonctionnelle<\/strong><\/span><\/p>\n<ul data-start=\"780\" data-end=\"862\">\n<li data-start=\"780\" data-end=\"862\">\n<p data-start=\"782\" data-end=\"862\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">L\u2019IRM montre quels segments se comportent pathologiquement <strong data-start=\"59\" data-end=\"83\">uniquement en charge<\/strong>, orientation expliqu\u00e9e par un <strong data-start=\"114\" data-end=\"148\">bombement discal plus prononc\u00e9<\/strong> en extension<\/span> .<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"864\" data-end=\"994\">\n<p data-start=\"867\" data-end=\"908\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><strong data-start=\"0\" data-end=\"34\" data-is-last-node=\"\" data-is-only-node=\"\">Corr\u00e9lation clinique renforc\u00e9e<\/strong><\/span><\/p>\n<ul data-start=\"912\" data-end=\"994\">\n<li data-start=\"912\" data-end=\"994\">\n<p data-start=\"914\" data-end=\"994\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Elle permet de relier des <strong data-start=\"26\" data-end=\"50\">sympt\u00f4mes m\u00e9caniques<\/strong> (douleur \u00e0 la position debout, extension, marche) \u00e0 des images concr\u00e8tes de <strong data-start=\"127\" data-end=\"155\">r\u00e9tr\u00e9cissement canalaire<\/strong> ou de <strong data-start=\"162\" data-end=\"186\" data-is-last-node=\"\">glissement vert\u00e9bral<\/strong><\/span> .<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr data-start=\"996\" data-end=\"999\">\n<h3 data-start=\"1001\" data-end=\"1047\">Interpr\u00e9tation des contraintes discales<\/h3>\n<div class=\"_tableContainer_80l1q_1\">\n<div class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1049\" data-end=\"1756\">\n<thead data-start=\"1049\" data-end=\"1189\">\n<tr data-start=\"1049\" data-end=\"1189\">\n<th data-start=\"1049\" data-end=\"1066\" data-col-size=\"sm\">Mouvement<\/th>\n<th data-start=\"1066\" data-end=\"1125\" data-col-size=\"md\">Contraintes discales principales<\/th>\n<th data-start=\"1125\" data-end=\"1189\" data-col-size=\"md\">Risques potentiels<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1331\" data-end=\"1756\">\n<tr data-start=\"1331\" data-end=\"1471\">\n<td data-start=\"1331\" data-end=\"1348\" data-col-size=\"sm\"><strong data-start=\"1333\" data-end=\"1344\">Flexion<\/strong><\/td>\n<td data-start=\"1348\" data-end=\"1407\" data-col-size=\"md\">Compression ant\u00e9rieure, tension post\u00e9rieure<\/td>\n<td data-start=\"1407\" data-end=\"1471\" data-col-size=\"md\">Tension ligament jaune, hernie post\u00e9rieure<\/td>\n<\/tr>\n<tr data-start=\"1472\" data-end=\"1616\">\n<td data-start=\"1472\" data-end=\"1489\" data-col-size=\"sm\"><strong data-start=\"1474\" data-end=\"1487\">Extension<\/strong><\/td>\n<td data-start=\"1489\" data-end=\"1548\" data-col-size=\"md\">Compression post\u00e9rieure, r\u00e9duction des espaces discaux<\/td>\n<td data-start=\"1548\" data-end=\"1616\" data-col-size=\"md\">St\u00e9nose canalaire, bombement ligament jaune, hernie plus visible<\/td>\n<\/tr>\n<tr data-start=\"1617\" data-end=\"1756\">\n<td data-start=\"1617\" data-end=\"1634\" data-col-size=\"sm\"><strong data-start=\"1619\" data-end=\"1634\">Instabilit\u00e9<\/strong><\/td>\n<td data-start=\"1634\" data-end=\"1692\" data-col-size=\"md\">Translation\/angulation anormales lors du mouvement<\/td>\n<td data-start=\"1692\" data-end=\"1756\" data-col-size=\"md\">Risque de glissement rachidien, douleur m\u00e9canique<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"1758\" data-end=\"1761\">\n<h3 data-start=\"1763\" data-end=\"1778\">En r\u00e9sum\u00e9<\/h3>\n<ul data-start=\"1780\" data-end=\"2132\">\n<li data-start=\"1780\" data-end=\"1890\">\n<p data-start=\"1782\" data-end=\"1890\">L\u2019IRM dynamique lombaire en position <strong data-start=\"1819\" data-end=\"1829\">debout<\/strong> reproduit <strong data-start=\"1840\" data-end=\"1867\">les contraintes r\u00e9elles<\/strong> subies par la colonne.<\/p>\n<\/li>\n<li data-start=\"1891\" data-end=\"1990\">\n<p data-start=\"1893\" data-end=\"1990\">Elle <strong data-start=\"1898\" data-end=\"1941\">r\u00e9v\u00e8le les modifications fonctionnelles<\/strong> invisibles en IRM statique (notamment en supin).<\/p>\n<\/li>\n<li data-start=\"1991\" data-end=\"2132\">\n<p data-start=\"1993\" data-end=\"2132\">Elle permet d\u2019<strong data-start=\"2007\" data-end=\"2032\">objectiver la st\u00e9nose<\/strong> canalaire ou foraminale et l\u2019instabilit\u00e9 vert\u00e9brale sp\u00e9cifiques \u00e0 certains mouvements ou positions.<\/p>\n<\/li>\n<\/ul>\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-1bf34cd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1bf34cd\" data-element_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-10944f7\" data-id=\"10944f7\" data-element_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-4558e88 elementor-widget elementor-widget-text-editor\" data-id=\"4558e88\" data-element_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 data-start=\"0\" data-end=\"280\"><strong data-start=\"5\" data-end=\"78\">il est tout \u00e0 fait normal que l\u2019extension lombaire aggrave la douleur<\/strong>, <strong data-start=\"80\" data-end=\"118\">dans certains cas cliniques pr\u00e9cis<\/strong>. Ce n\u2019est pas une r\u00e8gle absolue, mais cela peut s\u2019expliquer m\u00e9caniquement et cliniquement par les contraintes g\u00e9n\u00e9r\u00e9es sur les structures post\u00e9rieures du rachis.<\/p><hr data-start=\"282\" data-end=\"285\" \/><h3 data-start=\"287\" data-end=\"355\">Pourquoi l\u2019extension lombaire peut-elle aggraver la douleur ?<\/h3><h4 data-start=\"357\" data-end=\"422\">1. <strong data-start=\"365\" data-end=\"422\">R\u00e9duction de l\u2019espace foraminal et du canal rachidien<\/strong><\/h4><ul data-start=\"423\" data-end=\"793\"><li data-start=\"423\" data-end=\"555\"><p data-start=\"425\" data-end=\"555\">En extension, les <strong data-start=\"443\" data-end=\"471\">foramens intervert\u00e9braux<\/strong> (trous de conjugaison) <strong data-start=\"495\" data-end=\"511\">se referment<\/strong>, ce qui peut comprimer une racine nerveuse.<\/p><\/li><li data-start=\"556\" data-end=\"708\"><p data-start=\"558\" data-end=\"708\">Le <strong data-start=\"561\" data-end=\"579\">ligament jaune<\/strong> (ligamentum flavum) <strong data-start=\"600\" data-end=\"627\">se replie et s\u2019\u00e9paissit<\/strong> (buckling), ce qui peut r\u00e9duire l\u2019espace disponible pour la moelle ou les nerfs.<\/p><\/li><li data-start=\"709\" data-end=\"793\"><p data-start=\"711\" data-end=\"793\">Cela peut d\u00e9clencher des douleurs <strong data-start=\"745\" data-end=\"769\">de type radiculaires<\/strong> (sciatique, cruralgie).<\/p><\/li><\/ul><h4 data-start=\"795\" data-end=\"840\">2. <strong data-start=\"803\" data-end=\"840\">Compression post\u00e9rieure du disque<\/strong><\/h4><ul data-start=\"841\" data-end=\"1082\"><li data-start=\"841\" data-end=\"964\"><p data-start=\"843\" data-end=\"964\">L\u2019extension <strong data-start=\"855\" data-end=\"915\">accentue la pression sur la partie post\u00e9rieure du disque<\/strong>, l\u00e0 o\u00f9 les hernies apparaissent le plus souvent.<\/p><\/li><li data-start=\"965\" data-end=\"1082\"><p data-start=\"967\" data-end=\"1082\">Si une <strong data-start=\"974\" data-end=\"1004\">hernie discale post\u00e9rieure<\/strong> ou <strong data-start=\"1008\" data-end=\"1026\">une protrusion<\/strong> existe d\u00e9j\u00e0, l\u2019extension peut l\u2019aggraver m\u00e9caniquement.<\/p><\/li><\/ul><h4 data-start=\"1084\" data-end=\"1127\">3. <strong data-start=\"1092\" data-end=\"1127\">St\u00e9nose lombaire (canal \u00e9troit)<\/strong><\/h4><ul data-start=\"1128\" data-end=\"1568\"><li data-start=\"1128\" data-end=\"1402\"><p data-start=\"1130\" data-end=\"1274\">Chez les patients avec une <strong data-start=\"1157\" data-end=\"1177\">st\u00e9nose lombaire<\/strong> (souvent li\u00e9e \u00e0 l\u2019\u00e2ge, \u00e0 l\u2019arthrose, ou \u00e0 une hypertrophie ligamentaire), l\u2019extension provoque :<\/p><ul data-start=\"1277\" data-end=\"1402\"><li data-start=\"1277\" data-end=\"1328\"><p data-start=\"1279\" data-end=\"1328\">Une <strong data-start=\"1283\" data-end=\"1328\">diminution du diam\u00e8tre du canal rachidien<\/strong><\/p><\/li><li data-start=\"1331\" data-end=\"1402\"><p data-start=\"1333\" data-end=\"1402\">Une <strong data-start=\"1337\" data-end=\"1365\">majoration des sympt\u00f4mes<\/strong> (douleur, fourmillements, faiblesse)<\/p><\/li><\/ul><\/li><li data-start=\"1403\" data-end=\"1568\"><p data-start=\"1405\" data-end=\"1568\">Ce ph\u00e9nom\u00e8ne est typique du <strong data-start=\"1433\" data-end=\"1509\">syndrome de la queue de cheval en position debout ou en marche prolong\u00e9e<\/strong>, soulag\u00e9 en flexion (position assise ou pench\u00e9e en avant).<\/p><\/li><\/ul><hr data-start=\"1570\" data-end=\"1573\" \/><h3 data-start=\"1575\" data-end=\"1600\">Exemples cliniques<\/h3><div class=\"_tableContainer_80l1q_1\"><div class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1602\" data-end=\"2319\"><thead data-start=\"1602\" data-end=\"1703\"><tr data-start=\"1602\" data-end=\"1703\"><th data-start=\"1602\" data-end=\"1632\" data-col-size=\"sm\">Pathologie<\/th><th data-start=\"1632\" data-end=\"1657\" data-col-size=\"sm\">Extension aggravante ?<\/th><th data-start=\"1657\" data-end=\"1703\" data-col-size=\"md\">M\u00e9canisme<\/th><\/tr><\/thead><tbody data-start=\"1807\" data-end=\"2319\"><tr data-start=\"1807\" data-end=\"1908\"><td data-start=\"1807\" data-end=\"1837\" data-col-size=\"sm\"><strong data-start=\"1809\" data-end=\"1829\">St\u00e9nose lombaire<\/strong><\/td><td data-col-size=\"sm\" data-start=\"1837\" data-end=\"1861\">\u2705 Oui<\/td><td data-col-size=\"md\" data-start=\"1861\" data-end=\"1908\">R\u00e9duction du canal, compression neurog\u00e8ne<\/td><\/tr><tr data-start=\"1909\" data-end=\"2009\"><td data-start=\"1909\" data-end=\"1942\" data-col-size=\"sm\"><strong data-start=\"1911\" data-end=\"1941\">Hernie discale post\u00e9rieure<\/strong><\/td><td data-col-size=\"sm\" data-start=\"1942\" data-end=\"1963\">\u2705 Oui<\/td><td data-col-size=\"md\" data-start=\"1963\" data-end=\"2009\">Compression post\u00e9rieure accrue<\/td><\/tr><tr data-start=\"2010\" data-end=\"2111\"><td data-start=\"2010\" data-end=\"2040\" data-col-size=\"sm\"><strong data-start=\"2012\" data-end=\"2035\">Arthrose facettaire<\/strong><\/td><td data-col-size=\"sm\" data-start=\"2040\" data-end=\"2064\">\u2705 Oui<\/td><td data-col-size=\"md\" data-start=\"2064\" data-end=\"2111\">Compression des articulations post\u00e9rieures<\/td><\/tr><tr data-start=\"2112\" data-end=\"2212\"><td data-start=\"2112\" data-end=\"2142\" data-col-size=\"sm\"><strong data-start=\"2114\" data-end=\"2140\">Instabilit\u00e9 vert\u00e9brale<\/strong><\/td><td data-col-size=\"sm\" data-start=\"2142\" data-end=\"2166\">\u2705 Parfois<\/td><td data-col-size=\"md\" data-start=\"2166\" data-end=\"2212\">Glissement accentu\u00e9 en extension<\/td><\/tr><tr data-start=\"2213\" data-end=\"2319\"><td data-start=\"2213\" data-end=\"2243\" data-col-size=\"sm\"><strong data-start=\"2215\" data-end=\"2243\">Discopathie d\u00e9g\u00e9n\u00e9rative<\/strong><\/td><td data-col-size=\"sm\" data-start=\"2243\" data-end=\"2267\">\u274c Parfois non<\/td><td data-col-size=\"md\" data-start=\"2267\" data-end=\"2319\">Extension soulage en cas de surcharge ant\u00e9rieure<\/td><\/tr><\/tbody><\/table><div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\"><div class=\"absolute end-0 flex items-end\">\u00a0<\/div><\/div><\/div><\/div><hr data-start=\"2321\" data-end=\"2324\" \/><h3 data-start=\"2326\" data-end=\"2375\">Ce n\u2019est pas \u00ab anormal \u00bb : c\u2019est r\u00e9v\u00e9lateur<\/h3><ul data-start=\"2377\" data-end=\"2650\"><li data-start=\"2377\" data-end=\"2506\"><p data-start=\"2379\" data-end=\"2506\">Ce n\u2019est pas un probl\u00e8me en soi que la douleur s\u2019aggrave en extension \u2014 <strong data-start=\"2451\" data-end=\"2505\">c\u2019est une information pr\u00e9cieuse pour le diagnostic<\/strong>.<\/p><\/li><li data-start=\"2507\" data-end=\"2650\"><p data-start=\"2509\" data-end=\"2650\">L\u2019IRM dynamique aide \u00e0 <strong data-start=\"2532\" data-end=\"2551\">objectiver cela<\/strong> : si l\u2019image montre un r\u00e9tr\u00e9cissement net en extension \u00e0 l\u2019\u00e9tage douloureux, le lien est confirm\u00e9.<\/p><\/li><\/ul>\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-6e29b47 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e29b47\" data-element_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-f6e239b\" data-id=\"f6e239b\" data-element_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-aeb56ad elementor-widget elementor-widget-text-editor\" data-id=\"aeb56ad\" data-element_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>Dans ce cas pr\u00e9cis, l&rsquo;extension lombaire est douloureuse et les techniques McKenzie en extension (position de sphynx) serait inefficaces<\/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-dd46411 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dd46411\" data-element_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-f3c7525\" data-id=\"f3c7525\" data-element_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-2d27f99 elementor-widget elementor-widget-text-editor\" data-id=\"2d27f99\" data-element_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>IRM dynamique cervicale<\/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-99212f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"99212f4\" data-element_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-1419074\" data-id=\"1419074\" data-element_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-48e7fa1 elementor-widget elementor-widget-video\" data-id=\"48e7fa1\" data-element_type=\"widget\" data-settings=\"{&quot;video_type&quot;:&quot;hosted&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-hosted-video elementor-wrapper elementor-open-inline\">\n\t\t\t\t\t<video class=\"elementor-video\" src=\"http:\/\/osteopathe-sendao.fr\/wp-content\/uploads\/2025\/07\/IMR-dynamique-cervical.mp4\" controls=\"\" preload=\"metadata\" controlsList=\"nodownload\"><\/video>\n\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-afe7b8c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"afe7b8c\" data-element_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-5d92428\" data-id=\"5d92428\" data-element_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-d3e7d78 elementor-widget elementor-widget-text-editor\" data-id=\"d3e7d78\" data-element_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 data-start=\"177\" data-end=\"244\"><strong data-start=\"177\" data-end=\"244\"> IRM dynamique cervicale : comprendre la douleur en mouvement<\/strong><\/p><p data-start=\"246\" data-end=\"452\">Observez comment la colonne cervicale r\u00e9agit en flexion et en extension. Ce type d\u2019examen met en \u00e9vidence des variations m\u00e9caniques qui peuvent expliquer l\u2019aggravation des douleurs selon la position du cou.<\/p><p data-start=\"454\" data-end=\"590\">Rassurez-vous, il n\u2019est pas n\u00e9cessaire de passer une IRM dynamique pour soulager vos douleurs. Une IRM classique suffit g\u00e9n\u00e9ralement.<\/p><p data-start=\"592\" data-end=\"794\">En consultation, un bilan clinique bien men\u00e9 permet d\u00e9j\u00e0 d\u2019identifier les mouvements douloureux, de comprendre l\u2019orientation d\u2019une \u00e9ventuelle hernie, et d\u2019adapter les gestes \u00e0 \u00e9viter ou \u00e0 privil\u00e9gier.<\/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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Voici une image d\u2019IRM dynamique lombaire en flexion\u2011extension (sagittal) obtenue en position debout\u202f: \u00c0 gauche : position neutre, colonne lombaire avec lordose physiologique. Au centre : en flexion, la courbure s\u2019aplanit, les disques sont comprim\u00e9s en ant\u00e9rieur et \u00e9tir\u00e9s en post\u00e9rieur. \u00c0 droite : en extension, la courbure s\u2019accentue, les disques sont compress\u00e9s en post\u00e9rieur, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2139","post","type-post","status-publish","format-standard","hentry","category-non-classe","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>IRM dynamique dans l&#039;analyse des contraintes discales - Carlos SENDAO Ost\u00e9opathe DO MROF<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/osteopathe-sendao.fr\/index.php\/2025\/07\/13\/irm-dynamique-dans-lanalyse-des-contraintes-discales\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IRM dynamique dans l&#039;analyse des contraintes discales - Carlos SENDAO Ost\u00e9opathe DO MROF\" \/>\n<meta property=\"og:description\" content=\"Voici une image d\u2019IRM dynamique lombaire en flexion\u2011extension (sagittal) obtenue en position debout\u202f: \u00c0 gauche : position neutre, colonne lombaire avec lordose physiologique. 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