1.0SixPackAbs.euhttps://www.sixpackabs.eu/en/SixPackAbshttps://www.sixpackabs.eu/en/author/sixpackabs/rich600338<blockquote class="wp-embedded-content" data-secret="IQ2ZbyfdCO"><a href="https://www.sixpackabs.eu/en/what-is-the-pectoralis-major/">What is the Pectoralis Major?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.sixpackabs.eu/en/what-is-the-pectoralis-major/embed/#?secret=IQ2ZbyfdCO" width="600" height="338" title="“What is the Pectoralis Major?” — SixPackAbs.eu" data-secret="IQ2ZbyfdCO" 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/man-working-out-11.jpg25001668The pectoralis major is a large muscle located in the front of your chest, playing a crucial role in various upper body movements. This muscle spans from the shoulder area, covering the upper part of your chest, and attaches to the sternum (breastbone), collarbone, and upper ribs. It’s not just one uniform muscle but is […]