{"id":3851,"date":"2026-03-16T13:02:12","date_gmt":"2026-03-16T10:02:12","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/coup-du-lapin\/"},"modified":"2026-04-01T18:36:32","modified_gmt":"2026-04-01T15:36:32","slug":"coup-du-lapin","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossary\/coup-du-lapin\/","title":{"rendered":"Coup du lapin"},"content":{"rendered":"\n<p>Coup du lapin (du terme anglais <em>whiplash<\/em> \u2014 coup de fouet, o\u00f9 <em>whip<\/em> signifie fouet et <em>lash<\/em> signifie coup) est une l\u00e9sion complexe non-structurale des tissus mous de la colonne cervicale. <\/p>\n\n<p>Le traumatisme survient \u00e0 la suite d&rsquo;un mouvement brusque, forc\u00e9 et incontr\u00f4l\u00e9 de la t\u00eate, dont la biom\u00e9canique rappelle un coup de fouet.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n<p>La grande majorit\u00e9 des cas sont li\u00e9s aux accidents de voiture, notamment lors d&rsquo;une collision arri\u00e8re. L&rsquo;inertie du corps, solidement attach\u00e9 par la ceinture de s\u00e9curit\u00e9, pousse le torse \u00e0 avancer avec le si\u00e8ge. La t\u00eate lourde est d&rsquo;abord projet\u00e9e vers l&rsquo;arri\u00e8re sous l&rsquo;effet de l&rsquo;acc\u00e9l\u00e9ration, puis revient vers l&rsquo;avant de mani\u00e8re r\u00e9flexe.<\/p>\n\n<p>Lors de la premi\u00e8re phase (hyperextension), il y a sur\u00e9tirement ou microd\u00e9chirure des muscles ant\u00e9rieurs du cou, une atteinte du ligament longitudinal ant\u00e9rieur et des fascias. Lors de la deuxi\u00e8me phase (flexion rapide), les complexes ligamentaires post\u00e9rieurs, les capsules des articulations intervert\u00e9brales et les muscles occipitaux subissent des traumatismes. La structure m\u00eame des os reste g\u00e9n\u00e9ralement intacte.<\/p>\n\n<p>La gravit\u00e9 clinique est d\u00e9termin\u00e9e non seulement par l&rsquo;atteinte m\u00e9canique des tissus, mais aussi par la r\u00e9action aigu\u00eb du syst\u00e8me nerveux central \u00e0 une impulsion proprioceptive pathologique des capsules articulaires endommag\u00e9es.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importance clinique<\/strong><\/h2>\n\n<p>Une caract\u00e9ristique perfide de cette pathologie est la pr\u00e9sence d&rsquo;un \u00ab intervalle lucide \u00bb. Lors de l&rsquo;accident, le patient peut ne pas ressentir de douleur en raison d&rsquo;une lib\u00e9ration massive d&rsquo;adr\u00e9naline, mais apr\u00e8s quelques heures, il d\u00e9veloppe un syndrome douloureux croissant d\u00fb \u00e0 l&rsquo;\u0153d\u00e8me et \u00e0 une inflammation aseptique.<\/p>\n\n<p>Le tableau clinique se compose d&rsquo;une raideur cervicale prononc\u00e9e, de douleurs irradiant vers l&rsquo;occiput et la r\u00e9gion scapulaire, ainsi que de vertiges et de fatigue rapide.<\/p>\n\n<p>Le diagnostic est pos\u00e9 exclusivement par m\u00e9thode d&rsquo;exclusion. Pour confirmer le traumatisme cervical, le m\u00e9decin doit v\u00e9rifier l&rsquo;absence de fractures osseuses et de hernies discales \u00e0 l&rsquo;aide de m\u00e9thodes instrumentales. Le principal probl\u00e8me est le risque \u00e9lev\u00e9 de passage de la douleur \u00e0 une forme chronique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Coup du lapin (du terme anglais <em>whiplash<\/em> \u2014 coup de fouet, o\u00f9 <em>whip<\/em> signifie fouet et <em>lash<\/em> signifie coup) est une l\u00e9sion complexe non-structurale des tissus mous de la colonne cervicale. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3851","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Coup du lapin : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Coup du lapin (du terme anglais whiplash \u2014 coup de fouet, o\u00f9 whip signifie fouet et lash signifie coup) est une l\u00e9sion complexe non-structurale des 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