1.0SixPackAbs.euhttps://www.sixpackabs.eu/en/SixPackAbshttps://www.sixpackabs.eu/en/author/sixpackabs/rich600338<blockquote class="wp-embedded-content" data-secret="Bo7biuwSvI"><a href="https://www.sixpackabs.eu/en/what-is-the-serratus-posterior-inferior/">What is the Serratus Posterior Inferior?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.sixpackabs.eu/en/what-is-the-serratus-posterior-inferior/embed/#?secret=Bo7biuwSvI" width="600" height="338" title="“What is the Serratus Posterior Inferior?” — SixPackAbs.eu" data-secret="Bo7biuwSvI" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.sixpackabs.eu/wp-includes/js/wp-embed.min.js </script> https://www.sixpackabs.eu/wp-content/uploads/2023/11/fit-muscular-athlete-on-sea-shore-during-summer-tr.jpg25001668The serratus posterior inferior is a muscle located deep in your back, underneath the larger and more superficial back muscles. It plays an important role in the movement and stabilization of your rib cage, although it is not as prominent as other muscles when it comes to movement. This muscle originates from the spinal vertebrae—specifically, […]