{"id":11726,"date":"2022-09-07T11:58:04","date_gmt":"2022-09-07T09:58:04","guid":{"rendered":"https:\/\/www.physiotutors.com\/?post_type=wiki&#038;p=11726"},"modified":"2026-10-15T18:38:08","modified_gmt":"2026-10-15T16:38:08","slug":"inverted-supinator-sign","status":"publish","type":"wiki","link":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/","title":{"rendered":"Inverted Supinator Sign"},"featured_media":11727,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":""},"class_list":["post-11726","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"free_access":"","app_link":"","sections":[{"acf_fc_layout":"page-header-detail-page","background":{"background_image":11727,"background_image_alt_text":"Inverted Supinator Sign"},"heading":"Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment","subheading":"Neurological Screening","content_editor":"","button_type":"internal_link","button_label":"Check our shop","button_style":"button-five","button_internal_link":4646,"button_anchor":"","button_url":"","button_file":null,"label":""},{"acf_fc_layout":"submenu","links":[{"button_type":"anchor","button_label":"Learn","button_internal_link":null,"button_anchor":"section-number-3","button_url":"","button_file":null},{"button_type":"anchor","button_label":"Free masterclass","button_internal_link":null,"button_anchor":"section-number-5","button_url":"","button_file":null},{"button_type":"anchor","button_label":"Assessment E-Book","button_internal_link":null,"button_anchor":"section-number-6","button_url":"","button_file":null}],"dropdown_label":"Go to","button_right":{"button_type":"internal_link","button_label":"Try Premium free","button_style":"button-three","button_internal_link":26802,"button_anchor":"","button_url":"","button_file":""},"button_description":""},{"acf_fc_layout":"content-content","section_options":{"vertical_alignment":"top","column_right_box":false,"column_left_width":"col-12 col-lg-4 offset"},"column_left":{"content_editor":"<h4>Learn<\/h4>"},"column_right":{"content_editor":"<h6>Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment<\/h2>\nThe Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.\n\n<span style=\"font-weight: 400;\">According to <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19252263\/\" target=\"_blank\" rel=\"noopener\">Cook et al. (2009)<\/a>, the inverted supinator sign has a sensitivity of 61% and specificity of 78%.\u00a0 The clinical value of this test as a stand-alone test is weak.<\/span>\n<div class=\"embed-container\">\n\n[embed]https:\/\/www.youtube.com\/watch?v=_H5Pv8istcI[\/embed]\n\n<\/div>\n<span style=\"font-weight: 400;\">To conduct the test have the patient in sitting position. Support the patient\u2019s forearm with your arm to ensure that it is relaxed. Slightly pronate the forearm and locate the styloid process of the radius at the attachment of the brachioradialis. Then apply a quick series of taps near the styloid process using a reflex hammer.<\/span>\n\n<span style=\"font-weight: 400;\">A positive test will show in finger flexion or slight elbow extension. <\/span>\n\nOther common tests to screen for upper motor neuron lesions are:\n<ul>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/hoffmanns-sign\/\">Hoffmann's Sign<\/a><\/li>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/lhermittes-sign\/\">L'hermitt\u00e9's Sign<\/a><\/li>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/babinski-sign\/\">Babinski Sign<\/a><\/li>\n<\/ul>\n&nbsp;\n\n&nbsp;\n"}},{"acf_fc_layout":"content-content","section_options":{"vertical_alignment":"top","column_right_box":false,"column_left_width":"col-12 col-lg-4 offset"},"column_left":{"content_editor":"<h4>References<\/h4>"},"column_right":{"content_editor":"<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19252263\/\" target=\"_blank\" rel=\"noopener\">Cook, C., Roman, M., Stewart, K. M., Leithe, L. G., &amp; Isaacs, R. (2009). Reliability and diagnostic accuracy of clinical special tests for myelopathy in patients seen for cervical dysfunction.\u00a0<i>journal of orthopaedic &amp; sports physical therapy<\/i>,\u00a0<i>39<\/i>(3), 172-178.<\/a>\n\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/20173681\/\" target=\"_blank\" rel=\"noopener\">Kiely, P., Baker, J. F., O'hEireamhoin, S., Butler, J. S., Ahmed, M., Lui, D. F., ... &amp; Synnott, K. A. (2010). The evaluation of the inverted supinator reflex in asymptomatic patients.\u00a0<i>Spine<\/i>,\u00a0<i>35<\/i>(9), 955-957.<\/a>"}},{"acf_fc_layout":"cta-form-v2","content_editor":"<h2>Want to master the <strong>upper limb?<\/strong><\/h2>\r\n<p>Watch a <strong>free<\/strong> masterclass from Andrew Cuff on exercise prescription for shoulder pain, followed by a second one from Thomas Mitchell on wrist pain.<\/p>","form":"50","image":29342,"image_alt_text":"Free upper limb masterclass"},{"acf_fc_layout":"cta-image-v2","layout":"","background":"transparent","heading":"","content_editor":"<p class=\"subheading\">Like what you\u2019re learning?<\/p>\n<p class=\"heading-two\">Get the full Physiotutors <strong>Assessment Book<\/strong><\/p>\n\n<ul>\n \t<li>600+ pages on orthopedic assessment<\/li>\n \t<li>Video demonstrations and direct links to the PubMed studies<\/li>\n \t<li>Statistical values for every special test, from the latest research<\/li>\n \t<li>Free lifetime updates<\/li>\n \t<li>Available in English, German, French, Spanish, Italian, Portuguese and Turkish<\/li>\n<\/ul>","button_type":"internal_link","button_label":"See the Assessment Book","button_style":"button-two","button_internal_link":4646,"button_anchor":"","button_url":"","button_file":null,"side_button":{"side_button_content_editor":""},"bottom_button":{"bottom_button_content_editor":""},"image":22705,"image_alt_text":""}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment<\/title>\n<meta name=\"description\" content=\"The Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment\" \/>\n<meta property=\"og:description\" content=\"The Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/\" \/>\n<meta property=\"og:site_name\" content=\"Physiotutors\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/physiotutors\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-15T16:38:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/09\/screening_invertedsupinatorsign_2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"756\" \/>\n\t<meta property=\"og:image:height\" content=\"426\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@physiotutors\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/\",\"url\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/\",\"name\":\"Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.physiotutors.com\\\/wp-content\\\/uploads\\\/2022\\\/09\\\/screening_invertedsupinatorsign_2.jpg\",\"datePublished\":\"2022-09-07T09:58:04+00:00\",\"dateModified\":\"2026-10-15T16:38:08+00:00\",\"description\":\"The Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.physiotutors.com\\\/wp-content\\\/uploads\\\/2022\\\/09\\\/screening_invertedsupinatorsign_2.jpg\",\"contentUrl\":\"https:\\\/\\\/www.physiotutors.com\\\/wp-content\\\/uploads\\\/2022\\\/09\\\/screening_invertedsupinatorsign_2.jpg\",\"width\":756,\"height\":426,\"caption\":\"Inverted Supinator Sign\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/wiki\\\/inverted-supinator-sign\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.physiotutors.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inverted Supinator Sign\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/#website\",\"url\":\"https:\\\/\\\/www.physiotutors.com\\\/\",\"name\":\"Physiotutors\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.physiotutors.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/#organization\",\"name\":\"Physiotutors\",\"url\":\"https:\\\/\\\/www.physiotutors.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.physiotutors.com\\\/wp-content\\\/uploads\\\/2021\\\/06\\\/PHY_Logo-Purple-2.svg\",\"contentUrl\":\"https:\\\/\\\/www.physiotutors.com\\\/wp-content\\\/uploads\\\/2021\\\/06\\\/PHY_Logo-Purple-2.svg\",\"width\":315,\"height\":65,\"caption\":\"Physiotutors\"},\"image\":{\"@id\":\"https:\\\/\\\/www.physiotutors.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/facebook.com\\\/physiotutors\",\"https:\\\/\\\/x.com\\\/physiotutors\",\"https:\\\/\\\/instagram.com\\\/physiotutors\",\"https:\\\/\\\/youtube.com\\\/physiotutors\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment","description":"The Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/","og_locale":"en_US","og_type":"article","og_title":"Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment","og_description":"The Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.","og_url":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/","og_site_name":"Physiotutors","article_publisher":"https:\/\/facebook.com\/physiotutors","article_modified_time":"2026-10-15T16:38:08+00:00","og_image":[{"width":756,"height":426,"url":"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/09\/screening_invertedsupinatorsign_2.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@physiotutors","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/","url":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/","name":"Inverted Supinator Sign | Upper Motor Neuron Lesion Assessment","isPartOf":{"@id":"https:\/\/www.physiotutors.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/#primaryimage"},"image":{"@id":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/#primaryimage"},"thumbnailUrl":"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/09\/screening_invertedsupinatorsign_2.jpg","datePublished":"2022-09-07T09:58:04+00:00","dateModified":"2026-10-15T16:38:08+00:00","description":"The Inverted Supinator Sign is a common neurological test used in the physical assessment of upper motor neuron lesions.","breadcrumb":{"@id":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/#primaryimage","url":"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/09\/screening_invertedsupinatorsign_2.jpg","contentUrl":"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2022\/09\/screening_invertedsupinatorsign_2.jpg","width":756,"height":426,"caption":"Inverted Supinator Sign"},{"@type":"BreadcrumbList","@id":"https:\/\/www.physiotutors.com\/wiki\/inverted-supinator-sign\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.physiotutors.com\/"},{"@type":"ListItem","position":2,"name":"Inverted Supinator Sign"}]},{"@type":"WebSite","@id":"https:\/\/www.physiotutors.com\/#website","url":"https:\/\/www.physiotutors.com\/","name":"Physiotutors","description":"","publisher":{"@id":"https:\/\/www.physiotutors.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.physiotutors.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.physiotutors.com\/#organization","name":"Physiotutors","url":"https:\/\/www.physiotutors.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.physiotutors.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2021\/06\/PHY_Logo-Purple-2.svg","contentUrl":"https:\/\/www.physiotutors.com\/wp-content\/uploads\/2021\/06\/PHY_Logo-Purple-2.svg","width":315,"height":65,"caption":"Physiotutors"},"image":{"@id":"https:\/\/www.physiotutors.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/facebook.com\/physiotutors","https:\/\/x.com\/physiotutors","https:\/\/instagram.com\/physiotutors","https:\/\/youtube.com\/physiotutors"]}]}},"_links":{"self":[{"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/wiki\/11726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":1,"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/wiki\/11726\/revisions"}],"predecessor-version":[{"id":29469,"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/wiki\/11726\/revisions\/29469"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/media\/11727"}],"wp:attachment":[{"href":"https:\/\/www.physiotutors.com\/wp-json\/wp\/v2\/media?parent=11726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}