{"id":2112,"date":"2020-09-07T09:39:57","date_gmt":"2020-09-07T09:39:57","guid":{"rendered":"https:\/\/meddists.com\/learn\/pre-clinical\/anatomy\/head-and-neck\/neck\/muscles\/deep-neck-muscles\/"},"modified":"2020-12-09T12:21:35","modified_gmt":"2020-12-09T10:21:35","slug":"hyoid-muscles","status":"publish","type":"page","link":"https:\/\/meddists.com\/learn\/pre-clinical\/anatomy\/skull-head-and-neck\/neck\/muscles\/hyoid-muscles\/","title":{"rendered":"Hyoid muscles"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><div class=\"intro\">The hyoid muscles are found in the anterior part of the neck. As their name suggests, they attach to the hyoid bone.<\/div><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">The hyoid muscles are divided into the <strong>supra<\/strong>&#8211; and <strong>infrahyoid groups<\/strong>, and they are named after the structures they attach to.<\/p>\n\n\n<span class=\"block-heading\" id=\"header_1\">\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title1\">Suprahyoid muscles<\/h3>\n<\/span><span class=\"block-content\" id=\"contents_1\">\n\n\n<p class=\"wp-block-paragraph\">The suprahyoid muscles attach to the hyoid bone and a structure above it. These muscles elevate the hyoid bone and the larynx, as well as form the floor of the mouth (oral diaphragm, formed by the mylohyoid muscle):<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Stylohyoid<\/li><li>Mylohyoid<\/li><li>Geniohyoid<\/li><li>Digastric<\/li><\/ul>\n\n\n<\/span><span class=\"block-heading\" id=\"header_2\">\n<h4 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title2\">Stylohyoid<\/h4>\n<\/span><span class=\"block-content\" id=\"contents_2\">\n\n\n<p class=\"wp-block-paragraph\">The stylohyoid is a slender muscle attaching the styloid process to the hyoid bone.<\/p>\n\n\n<\/span><span class=\"block-heading\" id=\"header_3\">\n<h4 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title2\">Mylohyoid<\/h4>\n<\/span><span class=\"block-content\" id=\"contents_3\">\n\n\n<p class=\"wp-block-paragraph\">The mylohyoid muscle forms the muscular oral diaphragm. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It originates from the mandible and joins from both sides of the neck to form a\u00a0<strong>raphe<\/strong>\u00a0\u2014 a tendentious line attaching both sides.<\/p>\n\n\n<\/span><span class=\"block-heading\" id=\"header_4\">\n<h4 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title2\">Geniohyoid<\/h4>\n<\/span><span class=\"block-content\" id=\"contents_4\">\n\n\n<p class=\"wp-block-paragraph\">The geniohyoid is a slender muscle attaching the chin to the hyoid bone. It is found superior and medial to the mylohyoid muscle.<\/p>\n\n\n<\/span><span class=\"block-heading\" id=\"header_5\">\n<h4 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title2\">Digastric<\/h4>\n<\/span><span class=\"block-content\" id=\"contents_5\">\n\n\n<p class=\"wp-block-paragraph\">The digastric (from <strong>Latin<\/strong>: two bellies) muscle has two bellies \u2014 an anterior, and a posterior. They both meet at the hyoid bone.<\/p>\n\n\n<\/span><span class=\"block-heading\" id=\"header_6\">\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title1\">Infrahyoid Muscles<\/h3>\n<\/span><span class=\"block-content\" id=\"contents_6\">\n\n\n<p class=\"wp-block-paragraph\">The infrahyoid muscles attach to the hyoid bone and a structure below it. These muscles depress the hyoid bone and the larynx:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Omohyoid<\/li><li>Sternohyoid<\/li><li>Sternothyroid<\/li><li>Thyrohyoid<\/li><\/ul>\n\n\n<\/span><span class=\"block-heading\" id=\"header_7\">\n<h4 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title2\">Omohyoid<\/h4>\n<\/span><span class=\"block-content\" id=\"contents_7\">\n\n\n<p class=\"wp-block-paragraph\">The omohyoid muscle has two bellies \u2014 superior and inferior. They are divided by a sling-like fascia.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"pure-table\"><thead><tr><th>Muscle<\/th><th>Origin<\/th><th>Insertion<\/th><th>Innervation<\/th><\/tr><\/thead><tbody><tr><td><strong>Stylohoid<\/strong><\/td><td>Styloid process<\/td><td>Body of the hyoid bone<\/td><td>Facial nerve (CN VII)<\/td><\/tr><tr><td><strong>Mylohyoid<\/strong><\/td><td>Mylohyoid line (mandible)<\/td><td>Raphe and body of the hyoid bone<\/td><td>Nerve to mylohyoid (CN V3)<\/td><\/tr><tr><td><strong>Geniohyoid<\/strong><\/td><td>Mental spine (mandible)<\/td><td>Body of the hyoid bone<\/td><td>Ansa cervicalis (AC) of the cervical plexus<\/td><\/tr><tr><td><strong>Digastric<\/strong><\/td><td>Anterior: Digastric fossa (mandible)<br>Posterior: Mastoid bone<\/td><td>Tendon on the body and greater horn of the hyoid bone<\/td><td>Anterior: A branch of nerve to mylohyoid from CN V3<br>Posterior: CN VII<\/td><\/tr><tr><td><strong>Omohyoid<\/strong><\/td><td>Manubrium and medial clavicle<\/td><td>Inferior surface of the hyoid bone<\/td><td>AC<\/td><\/tr><tr><td><strong>Sternohyoid<\/strong><\/td><td>Manubrium<\/td><td>Body of the hyoid bone<\/td><td>AC<\/td><\/tr><tr><td><strong>Sternothyoid<\/strong><\/td><td>Manubrium<\/td><td>Thyroid cartilage<\/td><td>AC<\/td><\/tr><tr><td><strong>Thyrohyoid<\/strong><\/td><td>Thyroid cartilage<\/td><td>Body and greater horn of hyoid bone<\/td><td>AC<\/td><\/tr><\/tbody><\/table><figcaption><strong>Table 1. Hyoid muscles<\/strong><\/figcaption><\/figure>\n<\/span><div id=\"the_titles\" style=\"display:none;\"><h3 class=\"wp-block-heading\" class=\"wp-block-heading\">Suprahyoid muscles<\/h3><h4 class=\"wp-block-heading\" class=\"wp-block-heading\">Stylohyoid<\/h4><h4 class=\"wp-block-heading\" class=\"wp-block-heading\">Mylohyoid<\/h4><h4 class=\"wp-block-heading\" class=\"wp-block-heading\">Geniohyoid<\/h4><h4 class=\"wp-block-heading\" class=\"wp-block-heading\">Digastric<\/h4><h3 class=\"wp-block-heading\" class=\"wp-block-heading\">Infrahyoid Muscles<\/h3><h4 class=\"wp-block-heading\" class=\"wp-block-heading\">Omohyoid<\/h4><\/div>","protected":false},"excerpt":{"rendered":"<p>The hyoid muscles are divided into the supra&#8211; and infrahyoid groups, and they are named after the structures they attach to. Suprahyoid muscles The suprahyoid muscles attach to the hyoid bone and a structure above it. These muscles elevate the hyoid bone and the larynx, as well as form the floor of the mouth (oral [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1165,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2112","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hyoid muscles &#8211; Meddists<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/meddists.com\/learn\/pre-clinical\/anatomy\/skull-head-and-neck\/neck\/muscles\/hyoid-muscles\/\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/meddists.com\\\/learn\\\/pre-clinical\\\/anatomy\\\/skull-head-and-neck\\\/neck\\\/muscles\\\/hyoid-muscles\\\/\",\"url\":\"https:\\\/\\\/meddists.com\\\/learn\\\/pre-clinical\\\/anatomy\\\/skull-head-and-neck\\\/neck\\\/muscles\\\/hyoid-muscles\\\/\",\"name\":\"Hyoid muscles &#8211; 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