{"id":8884,"date":"2020-07-14T11:42:53","date_gmt":"2020-07-14T11:42:53","guid":{"rendered":"https:\/\/corpsite.staging.3d4medical.cloud\/uncategorized\/intrinsic-and-extrinsic-muscles-of-the-tongue"},"modified":"2023-02-16T10:34:40","modified_gmt":"2023-02-16T10:34:40","slug":"intrinsic-and-extrinsic-muscles-of-the-tongue","status":"publish","type":"post","link":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/blog\/intrinsic-and-extrinsic-muscles-of-the-tongue","title":{"rendered":"Intrinsic and extrinsic muscles of the tongue"},"content":{"rendered":"\n<p>Did that title get you tongue-tied? ? You may have heard the common myth that the tongue is the&nbsp;strongest&nbsp;muscle in your body&nbsp;?. However, this is in fact untrue. The tongue is all muscle, but not just one muscle. It is made up of 8&nbsp;different&nbsp;muscles&nbsp;that&nbsp;combine&nbsp;to&nbsp;form&nbsp;a flexible matrix&nbsp;similar&nbsp;to&nbsp;an&nbsp;elephant\u2019s trunk&nbsp;?.&nbsp;The tongue&nbsp;is&nbsp;known as&nbsp;a muscular hydrostat,&nbsp;as it&nbsp;is&nbsp;one of the few organs in the body&nbsp;which is composed entirely of muscle and works&nbsp;independently&nbsp;of the skeleton.&nbsp;&nbsp;<\/p>\n\n\n\n<p>The tongue is&nbsp;composed of 2 main muscle groups&nbsp;these include:&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The intrinsic muscles of the tongue<\/strong>&nbsp;<\/h2>\n\n\n\n<figure>\n<img decoding=\"async\" src=\"https:\/\/cdn.completeanatomy.cn\/website\/blog\/tongue-2.jpg\" alt=\"Intrinsic tongue muscles with Transverse muscles and Vertical muscles labelled\">\n<figcaption>Transverse and Vertical muscles<\/figcaption>\n<\/figure>\n\n\n\n<p>These muscles only attach to other structures in the tongue. There&nbsp;are 4 paired muscles,&nbsp;they are&nbsp;named&nbsp;based on the direction they travel.&nbsp;&nbsp;<\/p>\n\n\n\n<ul><li>Superior longitudinal&nbsp;<\/li><li>Inferior longitudinal&nbsp;<\/li><\/ul>\n\n\n\n<ul><li>Transverse muscles&nbsp;<\/li><li>Vertical muscles&nbsp;<\/li><\/ul>\n\n\n\n<p>These muscles&nbsp;affect&nbsp;the shape and size of the tongue. They&nbsp;play&nbsp;a role in guiding our speech, eating, and swallowing&nbsp;?. Motor&nbsp;innervation&nbsp;from the hypoglossal nerve (CNXII)&nbsp;allows them to carry out these functions.&nbsp;&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The extrinsic muscles of the tongue<\/strong>&nbsp;<\/h2>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/cdn.completeanatomy.cn\/website\/blog\/tongue-1.jpg\" alt=\"Extrinsic tongue muscles with Superior longitudinal, Inferior longitudinal, Palatoglossus, Styloglossus, Hyoglossus and Genioglossus muscles labelled\"><figcaption>Extrinsic muscles of the tongue<\/figcaption><\/figure>\n\n\n\n<ul><li>Genioglossus: arises from mandibular symphysis and inserts into&nbsp;the&nbsp;body of the hyoid\/full length of tongue.&nbsp;It protrudes, depresses, and draws the tip of the tongue back and down. Innervation is&nbsp;from&nbsp;CNXII.&nbsp;<\/li><li>Hyoglossus:&nbsp;arises from&nbsp;the&nbsp;hyoid and inserts into side of tongue.&nbsp;It depresses and retracts&nbsp;the&nbsp;tongue. Innervation is&nbsp;from&nbsp;CNXII.&nbsp;&nbsp;<\/li><li>Styloglossus:&nbsp;originates at styloid process and temporal bone and inserts into side of tongue.&nbsp;It retracts and elevates&nbsp;the&nbsp;tongue. Innervation is from&nbsp;CNXII.&nbsp;<\/li><li>Palatoglossus:&nbsp;arises from the palatine aponeurosis and inserts across the tongue.&nbsp;It elevates the posterior portion of the tongue.&nbsp;It is the only muscle innervated by the&nbsp;vagus&nbsp;nerve (CN X).&nbsp;<\/li><\/ul>\n\n\n\n<p>To help keep&nbsp;your&nbsp;tongue healthy remember to&nbsp;give it a good brush while&nbsp;brushing your teeth&nbsp;?, drink green tea&nbsp;?,&nbsp;hydrate with plenty of water?, and monitor the color&nbsp;(healthy=pink). ?<\/p>\n\n\n\n<p>If you found this blog post useful, you might also enjoy learning about <a href=\"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/blog\/the-muscles-of-facial-expression\">the muscles of facial expression.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did that title get you tongue-tied? ? You may have heard the common myth that the tongue is the strongest muscle in your body ?. However, this is in fact untrue.<a class=\"more-link\" href=\"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/blog\/intrinsic-and-extrinsic-muscles-of-the-tongue\">\u9605\u8bfb\u8be6\u60c5<\/a><\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[236],"tags":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/posts\/8884"}],"collection":[{"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/comments?post=8884"}],"version-history":[{"count":4,"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/posts\/8884\/revisions"}],"predecessor-version":[{"id":18706,"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/posts\/8884\/revisions\/18706"}],"wp:attachment":[{"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/media?parent=8884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/categories?post=8884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/corpsite.nonprod.completeanatomy.cn\/zh-hans\/wp-json\/wp\/v2\/tags?post=8884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}