{"id":3372,"date":"2014-03-07T08:58:36","date_gmt":"2014-03-07T08:58:36","guid":{"rendered":"http:\/\/old.institutcataladelpeu.com\/en\/?p=3372"},"modified":"2016-10-24T07:32:21","modified_gmt":"2016-10-24T07:32:21","slug":"hallux-extensus-first-toe-deformity-in-the-sagittal-plane","status":"publish","type":"post","link":"https:\/\/old.institutcataladelpeu.com\/en\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\/","title":{"rendered":"Hallux extensus: first toe deformity in the sagittal plane"},"content":{"rendered":"<div style=\"text-align: justify;\"><img  title=\"Hallux extensus: first toe deformity in the sagittal plane\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-656\" src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/hallux-extensusfoto-articulo-185x185.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"185\" height=\"185\" \/>The <em>hallux extensus<\/em> consists of the dorsiflexion or dorsal extension of the first radius. Its origin may be congenital or acquired and it is mainly caused by: <strong>a paralysis, involving brain-vascular accidents and neuromuscular diseases, among others<\/strong>; due to different types of alterations at the metatarsophalangeal and interphalangeal joint, such as the shortening of the extensor of the first toe or iatrogenic surgery. When hyperextension occurs at the interphalangeal level it may be due to arthritis or poorly consolidated fractures. The hallux extensus can result in nail lesions (onychogryphosis or onycholysis), dermal lesions (subungual helomas) or mechanical dorso-distal pain of the first toe caused by repetitive microtrauma with shoes. This extension deformity of the first segment may give rise to biomechanical overload at the arch by the proximal phalanx and by the metatarsal head of the first radius. Conservative treatment to solve this pathology is a brace made of silicone that impinges on the proximal phalanx, with the aim of reducing hyperextension of the distal phalanx, as long as the interphalangeal joint is reducible and retains a certain range of movement. In cases where there is arthrodesis of the joint, and the position of the first toe causes discomfort on a regular basis, it will then be advisable to consider surgical treatment.<\/p>\n<div id=\"attachment_649\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/1-hallux-extensus-metatarso-falangico.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-649\" class=\"size-full wp-image-649 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/1-hallux-extensus-metatarso-falangico.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-649\" class=\"wp-caption-text\">Hallux metatarsophalangeal extensus.<\/p><\/div>\n<div id=\"attachment_650\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/2-hallux-extensus-interfalangico.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-650\" class=\"size-full wp-image-650 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/2-hallux-extensus-interfalangico.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-650\" class=\"wp-caption-text\">Hallux interphalangeal extensus, side view. Note the plantar callosity.<\/p><\/div>\n<div id=\"attachment_651\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/3-hallux-extensus-interfalangico.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-651\" class=\"size-full wp-image-651 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/3-hallux-extensus-interfalangico.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-651\" class=\"wp-caption-text\">Hallux interphalangeal extensus; front view. Note the subungual heloma.<\/p><\/div>\n<div id=\"attachment_652\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/4-hallux-extensus-metatarsofalangico.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-652\" class=\"size-full wp-image-652 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/4-hallux-extensus-metatarsofalangico.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-652\" class=\"wp-caption-text\">Hallux metatarsophalangeal extensus; side view.<\/p><\/div>\n<div id=\"attachment_653\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/5-hallux-extensus-carga.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-653\" class=\"size-full wp-image-653 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/5-hallux-extensus-carga.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-653\" class=\"wp-caption-text\">Bilateral hallux extensus iatrogenic with weight on it.<\/p><\/div>\n<div id=\"attachment_654\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/6-hallux-extensus-carga-izquierdo.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-654\" class=\"size-full wp-image-654 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/6-hallux-extensus-carga-izquierdo.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-654\" class=\"wp-caption-text\">Iatrogenic hallux extensus, front view with weight on it. Note the absence of support from the big toe.<\/p><\/div>\n<div id=\"attachment_655\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/7-hallux-extensus-carga-derecho.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-655\" class=\"size-full wp-image-655 \"  title=\"Hallux extensus: first toe deformity in the sagittal plane\"  src=\"http:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/7-hallux-extensus-carga-derecho.jpg\"  alt=\"Hallux extensus: first toe deformity in the sagittal plane\"  width=\"1024\" height=\"768\" \/><\/a><p id=\"caption-attachment-655\" class=\"wp-caption-text\">Hallux extensus with weight on it.<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The hallux extensus consists of the dorsiflexion or dorsal extension of the first radius. Its origin may be congenital or acquired and it is mainly caused by: a paralysis, involving brain-vascular accidents and neuromuscular diseases, among others; due to different types of alterations at the metatarsophalangeal and interphalangeal joint, such as the shortening of the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6300,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[283,295,304],"tags":[],"class_list":["post-3372","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-2","category-biomechanical-studies","category-pathology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hallux extensus: first toe deformity in the sagittal plane - Institut Catal\u00e0 del Peu<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hallux extensus: first toe deformity in the sagittal plane - Institut Catal\u00e0 del Peu\" \/>\n<meta property=\"og:description\" content=\"The hallux extensus consists of the dorsiflexion or dorsal extension of the first radius. Its origin may be congenital or acquired and it is mainly caused by: a paralysis, involving brain-vascular accidents and neuromuscular diseases, among others; due to different types of alterations at the metatarsophalangeal and interphalangeal joint, such as the shortening of the [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/old.institutcataladelpeu.com\/en\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\/\" \/>\n<meta property=\"og:site_name\" content=\"Institut Catal\u00e0 del Peu\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/institutcataladelpeu\/\" \/>\n<meta property=\"article:published_time\" content=\"2014-03-07T08:58:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-10-24T07:32:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/old.institutcataladelpeu.com\/wp-content\/uploads\/2014\/03\/hallux-extensusfoto-articulo-347x347-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"347\" \/>\n\t<meta property=\"og:image:height\" content=\"347\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Miguel \u00c1ngel Ba\u00f1os Bernad\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ICPeu\" \/>\n<meta name=\"twitter:site\" content=\"@ICPeu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Miguel \u00c1ngel Ba\u00f1os Bernad\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/\"},\"author\":{\"name\":\"Miguel \u00c1ngel Ba\u00f1os Bernad\",\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/#\\\/schema\\\/person\\\/d2ccc8088f9445f3e2758c2a60caf354\"},\"headline\":\"Hallux extensus: first toe deformity in the sagittal plane\",\"datePublished\":\"2014-03-07T08:58:36+00:00\",\"dateModified\":\"2016-10-24T07:32:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/\"},\"wordCount\":328,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/wp-content\\\/uploads\\\/2014\\\/03\\\/hallux-extensusfoto-articulo-347x347-1.jpg\",\"articleSection\":[\"Articles\",\"Biomechanical studies\",\"Pathology\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/\",\"url\":\"https:\\\/\\\/old.institutcataladelpeu.com\\\/en\\\/hallux-extensus-first-toe-deformity-in-the-sagittal-plane\\\/\",\"name\":\"Hallux extensus: first toe deformity in the sagittal plane - 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