{"version":"1.0","provider_name":"Knee Hospitals","provider_url":"https:\/\/www.kneehospitals.com\/blog","author_name":"drknee","author_url":"https:\/\/www.kneehospitals.com\/blog\/author\/drknee\/","title":"Lever sign: Definition, Uses, and Clinical Overview - Knee Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"t2YYNQuyUt\"><a href=\"https:\/\/www.kneehospitals.com\/blog\/lever-sign-definition-uses-and-clinical-overview\/\">Lever sign: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.kneehospitals.com\/blog\/lever-sign-definition-uses-and-clinical-overview\/embed\/#?secret=t2YYNQuyUt\" width=\"600\" height=\"338\" title=\"&#8220;Lever sign: Definition, Uses, and Clinical Overview&#8221; &#8212; Knee Hospitals\" data-secret=\"t2YYNQuyUt\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.kneehospitals.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Lever sign is a hands-on knee exam maneuver used to assess the anterior cruciate ligament (ACL). It is commonly performed in sports medicine, orthopedics, emergency settings, and physical therapy exams. In plain terms, it checks whether the shin bone (tibia) is being held in place the way it should be. It is one of several clinical tests clinicians may use when an ACL injury is suspected."}