{"id":10428,"date":"2022-04-09T17:22:18","date_gmt":"2022-04-09T15:22:18","guid":{"rendered":"https:\/\/www.physiotutors.com\/?post_type=wiki&amp;p=10428"},"modified":"2022-04-09T17:22:18","modified_gmt":"2022-04-09T15:22:18","slug":"lateral-rotation-lag-sign","status":"publish","type":"wiki","link":"https:\/\/www.physiotutors.com\/wiki\/lateral-rotation-lag-sign\/","title":{"rendered":"Lateral Rotation Lag Sign"},"featured_media":10429,"template":"","class_list":["post-10428","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"sections":[{"acf_fc_layout":"page-header-detail-page","background":{"background_image":10429,"background_image_alt_text":"Lateral Rotation Lag Sign"},"heading":"Lateral Rotation Lag Sign | Full-Thickness RC Tears","subheading":"Shoulder Assessment","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":"","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":"Assessment E-Book","button_internal_link":null,"button_anchor":"section-number-4","button_url":"","button_file":null},{"button_type":"anchor","button_label":"Reviews","button_internal_link":null,"button_anchor":"section-number-5","button_url":"","button_file":null}],"dropdown_label":"Go to","button_right":{"button_type":"internal_link","button_label":"Become a member","button_style":"button-three","button_internal_link":16662,"button_anchor":"","button_url":"","button_file":""},"button_description":"Find this wiki on the Physiotutors platform"},{"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>Lateral Rotation Lag Sign | Full-Thickness Rotator Cuff Tear Assessment<\/h2>\n<span style=\"font-weight: 400;\">The Lateral\/External Rotation Lag Sign also known as Infraspinatus Spring Back Test assesses for pain or weakness of the supraspinatus, infraspinatus and teres minor muscle.<\/span>\n\n<span style=\"font-weight: 400;\">In a study by Miller et al. (2008), the Lag Sign had a sensitivity of 46% and a specificity of 94% for full-thickness tears of the supraspinatus and infraspinatus.\nThis means that this test is useful to confirm the presence of full-thickness tears with a positive likelihood ratio of 7.2, but has only a weak ability to rule out full-thickness tears.<\/span>\n<div class=\"embed-container\">\n\n[embed]https:\/\/www.youtube.com\/watch?v=iUTxEAOrEMY[\/embed]\n\n<\/div>\n<span style=\"font-weight: 400;\">To perform the test have your patient in standing position with his arms flexed to 90\u00b0.<\/span><span style=\"font-weight: 400;\"> Then the examiner brings the shoulders into 90\u00b0 of abduction in the scapular plane and laterally rotates the shoulders to end-range and asks the patient to hold it.<\/span>\n\n<span style=\"font-weight: 400;\">The test is positive if the patient cannot hold the position and the springs back anteriorly indicating that the infraspinatus and teres minor cannot hold the position due to pain or weakness<\/span>\n\n[cta]\n\n&nbsp;\n\nOther orthopedic tests to assess for full-thickness tears of the rotator cuff muscles of the shoulder are:\n<ul>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/drop-arm-sign\/\">Drop Arm Sign<\/a><\/li>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/internal-rotation-lag-sign\/\">Internal Rotation Lag Sign<\/a><\/li>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/infraspinatus-test\/\">Infraspinatus Test<\/a><\/li>\n \t<li><a href=\"https:\/\/www.physiotutors.com\/wiki\/rent-test\/\">Transdeltoid Palpation \/ Rent Test<\/a><\/li>\n<\/ul>\n<h6><\/h3>\n<h6><\/h3>\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\/18503815\/\" target=\"_blank\" rel=\"noopener\">Miller CA, Forrester GA, Lewis JS. The validity of the lag signs in diagnosing full-thickness tears of the rotator cuff: a preliminary investigation. Archives of physical medicine and rehabilitation. 2008 Jun 1;89(6):1162-8.<\/a>"}},{"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\">BUY THE FULL PHYSIOTUTORS <strong>ASSESSMENT BOOK<\/strong><\/p>\n\n<ul>\n \t<li>600+ Pages e-Book<\/li>\n \t<li>Interactive Content (Direct Video Demonstration, PubMed articles)<\/li>\n \t<li>Statistical Values for all Special Tests from the latest research<\/li>\n \t<li>Available in \ud83c\uddec\ud83c\udde7 \ud83c\udde9\ud83c\uddea \ud83c\uddeb\ud83c\uddf7 \ud83c\uddea\ud83c\uddf8 \ud83c\uddee\ud83c\uddf9 \ud83c\uddf5\ud83c\uddf9 \ud83c\uddf9\ud83c\uddf7<\/li>\n \t<li>And much more!<\/li>\n<\/ul>","button_type":"internal_link","button_label":"Check out our 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now!","content_editor":"","download_image":{"download_image_image":22444,"download_image_image_alt_text":""},"mobile_download_image":{"mobile_download_image_image":22445,"mobile_download_image_image_alt_text":""},"download_image_link":"https:\/\/onelink.to\/6dtzk5","mockup_image":{"mockup_image_image":22447,"mockup_image_image_alt_text":""},"mobile_mockup_image":{"mobile_mockup_image_image":22446,"mobile_mockup_image_image_alt_text":""}}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lateral Rotation Lag Sign | Full-Thickness Rotator Cuff Tear<\/title>\n<meta name=\"description\" content=\"The Lateral\/External Rotation Lag Sign |is an orthopedic test to assess full-thickness tears of the rotator cuff in the shoulder.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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