{"version":"1.0","provider_name":"Best Spine Hospitals","provider_url":"https:\/\/www.bestspinehospitals.com\/blog","author_name":"drspine","author_url":"https:\/\/www.bestspinehospitals.com\/blog\/author\/drspine\/","title":"L3 vertebra: Definition, Uses, and Clinical Overview - Best Spine Hospitals","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"mD8615xBuI\"><a href=\"https:\/\/www.bestspinehospitals.com\/blog\/l3-vertebra-definition-uses-and-clinical-overview\/\">L3 vertebra: Definition, Uses, and Clinical Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.bestspinehospitals.com\/blog\/l3-vertebra-definition-uses-and-clinical-overview\/embed\/#?secret=mD8615xBuI\" width=\"600\" height=\"338\" title=\"&#8220;L3 vertebra: Definition, Uses, and Clinical Overview&#8221; &#8212; Best Spine Hospitals\" data-secret=\"mD8615xBuI\" 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.bestspinehospitals.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"The L3 vertebra is the third bone in the lumbar (lower back) portion of the spine. It sits between the L2 vertebra above and the L4 vertebra below. Clinicians reference L3 vertebra as an anatomic landmark on exams and imaging. It is also a common \u201clevel\u201d discussed in diagnoses and procedures for low back and leg symptoms."}