{"id":5785,"date":"2011-05-02T02:00:51","date_gmt":"2011-05-02T06:00:51","guid":{"rendered":"http:\/\/insidesurgery.com\/?p=5785"},"modified":"2011-04-28T16:39:52","modified_gmt":"2011-04-28T20:39:52","slug":"subclavius","status":"publish","type":"post","link":"https:\/\/insidesurgery.com\/2011\/05\/subclavius\/","title":{"rendered":"Subclavius"},"content":{"rendered":"<p>The subclavius muscle is a little known muscle that lies deep in the upper anterior chest wall. Its main action is to anchor the clavicle. Its proximal attachment (origin) is the 1st rib and costal cartilage. The distal attachment (insertion) is the inferior surface of the mid-clavicle. Innervation is via a local nerve branch off the brachial plexus.<\/p>\n<p>The muscle is of clinical significance in that it is intentionally punctured when placing a subclavian central venous catheter. It also functions in protecting the underlying subclavian artery and vein from being punctured in displaced clavicle fractures.<\/p>\n<div id=\"attachment_5790\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/insidesurgery.com\/wp-content\/uploads\/2011\/05\/subclavius.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5790\" src=\"http:\/\/insidesurgery.com\/wp-content\/uploads\/2011\/05\/subclavius-300x290.png\" alt=\"\" title=\"subclavius\" width=\"300\" height=\"290\" class=\"size-medium wp-image-5790\" \/><\/a><p id=\"caption-attachment-5790\" class=\"wp-caption-text\">Left subclavius muscle in red (illus. courtesy Wikipedia)<\/p><\/div>\n<p><strong>Related Posts<\/strong><\/p>\n<p><a href=\"http:\/\/insidesurgery.com\/2009\/03\/central-venous-catheter-subclavian-vein-seldinger-technique\/\">Central Venous Catheter &#8211; Subclavian Vein<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The subclavius muscle is a little known muscle that lies deep in the upper anterior chest wall. Its main action is to anchor the clavicle. Its proximal attachment (origin) is the 1st rib and costal cartilage. The distal attachment (insertion) is the inferior surface of the mid-clavicle. Innervation is via a local nerve branch off [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[63],"tags":[4339,4344,4449,4446,4447,4448],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Subclavius - InsideSurgery Medical Information Blog<\/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:\/\/insidesurgery.com\/2011\/05\/subclavius\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Subclavius - InsideSurgery Medical Information Blog\" \/>\n<meta property=\"og:description\" content=\"The subclavius muscle is a little known muscle that lies deep in the upper anterior chest wall. Its main action is to anchor the clavicle. Its proximal attachment (origin) is the 1st rib and costal cartilage. The distal attachment (insertion) is the inferior surface of the mid-clavicle. 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