1.0New Life Health Centerhttps://newlife.com.cy/demo/enMariahttps://newlife.com.cy/demo/en/author/maria/rich600338<blockquote class="wp-embedded-content" data-secret="Ols7vmoQ9X"><a href="https://newlife.com.cy/demo/en/machine-back-extension/">Machine back extension</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://newlife.com.cy/demo/en/machine-back-extension/embed/#?secret=Ols7vmoQ9X" width="600" height="338" title="“Machine back extension” — New Life Health Center" data-secret="Ols7vmoQ9X" 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://newlife.com.cy/demo/wp-includes/js/wp-embed.min.js </script> https://newlife.com.cy/demo/wp-content/uploads/2019/11/05731301-Lever-Back-Extension_Waist_360-1.gif360360Exercise details Target muscle: Erector Spinae Synergists: None (see Comments and tips) Mechanics: Isolation Force: Pull Starting position Sit in the back extension machine, with your back resting against the lever and your feet on one of the foot pads (foot placement is incorrect in illustration; awaiting correction). Adjust the lever so that it pushes your torso down and […]