{"id":3856,"date":"2026-03-16T13:02:12","date_gmt":"2026-03-16T10:02:12","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/coccygodynie\/"},"modified":"2026-04-01T18:36:36","modified_gmt":"2026-04-01T15:36:36","slug":"coccygodynie","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossary\/coccygodynie\/","title":{"rendered":"Coccygodynie"},"content":{"rendered":"\n<p>La coccydynie (du grec <em>kokkyx<\/em> \u2014 coucou, coccyx et <em>odyne<\/em> \u2014 douleur) est un syndrome douloureux poly\u00e9tiologique localis\u00e9 dans la r\u00e9gion coccygienne ou l&rsquo;articulation sacro-coccygienne. <\/p>\n\n<p>L&rsquo;\u00e9tat se caract\u00e9rise par une \u00e9volution chronique, d\u00e9bilitante et par une diminution significative de la qualit\u00e9 de vie du patient en raison de l&rsquo;impossibilit\u00e9 de s&rsquo;asseoir normalement.<\/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 cause la plus fr\u00e9quente (jusqu&rsquo;\u00e0 70 % des cas) est un traumatisme ferm\u00e9 ant\u00e9rieur. Les chutes sur les fesses (\u00ab atterrissage sur la queue \u00bb) ou l&rsquo;accouchement difficile d&rsquo;un grand f\u0153tus conduisent \u00e0 une ecchymose, une d\u00e9chirure des ligaments, une subluxation ou une fracture des segments du coccyx. Moins fr\u00e9quemment, la cause est des changements d\u00e9g\u00e9n\u00e9ratifs de l&rsquo;articulation ou un spasme chronique des muscles du plancher pelvien.<\/p>\n\n<p>Le pathog\u00e9n\u00e8se de la douleur est \u00e9troitement li\u00e9e \u00e0 une alt\u00e9ration de la biom\u00e9canique normale. Normalement, en position assise, le coccyx doit l\u00e9g\u00e8rement s&rsquo;incliner vers l&rsquo;avant (jusqu&rsquo;\u00e0 20 degr\u00e9s) pour amortir les charges. En cas de traumatisme, une mobilit\u00e9 pathologique (hypermobilit\u00e9) se d\u00e9veloppe, ou, au contraire, une fixation rigide de l&rsquo;articulation \u00e0 un angle incorrect. Cela provoque une irritation m\u00e9canique constante du p\u00e9rioste et une inflammation aseptique des ligaments sacro-coccygiens.<\/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>Le premier sympt\u00f4me est une douleur aigu\u00eb ou sourde dans la r\u00e9gion interglut\u00e9ale. Elle est caract\u00e9ris\u00e9e par une intensification soudaine lors d&rsquo;une position assise prolong\u00e9e sur une surface dure et par une douleur fulgurante lors de la lev\u00e9e. Une sensibilit\u00e9 locale peut \u00e9galement survenir lors de la d\u00e9f\u00e9cation.<\/p>\n\n<p>Le diagnostic inclut une palpation obligatoire du coccyx via le rectum pour \u00e9valuer la mobilit\u00e9 et une radiographie dynamique (comparaison des images en position debout et assise). Le traitement est principalement conservateur : utilisation de coussins orthop\u00e9diques d\u00e9chargeants, physioth\u00e9rapie et blocs m\u00e9dicamenteux. Dans les cas r\u00e9sistants, une ablation chirurgicale du coccyx est r\u00e9alis\u00e9e.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La coccydynie (du grec <em>kokkyx<\/em> \u2014 coucou, coccyx et <em>odyne<\/em> \u2014 douleur) est un syndrome douloureux poly\u00e9tiologique localis\u00e9 dans la r\u00e9gion coccygienne ou l&rsquo;articulation sacro-coccygienne. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3856","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>Coccygodynie : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"La coccydynie (du grec kokkyx \u2014 coucou, coccyx et odyne \u2014 douleur) est un syndrome douloureux poly\u00e9tiologique localis\u00e9 dans la r\u00e9gion coccygienne ou 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