{"version":"1.0","provider_name":"Supercoach","provider_url":"https:\/\/www.supercoach.de\/scwp","author_name":"supercoach","author_url":"https:\/\/www.supercoach.de\/scwp\/author\/supercoach\/","title":"Flankenstretch - Supercoach","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"h5tZCc1GGx\"><a href=\"https:\/\/www.supercoach.de\/scwp\/2026\/09\/03\/flankenstretch\/\">Flankenstretch<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.supercoach.de\/scwp\/2026\/09\/03\/flankenstretch\/embed\/#?secret=h5tZCc1GGx\" width=\"600\" height=\"338\" title=\"&#8222;Flankenstretch&#8220; &#8211; Supercoach\" data-secret=\"h5tZCc1GGx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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.supercoach.de\/scwp\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.supercoach.de\/scwp\/wp-content\/uploads\/2026\/09\/Flankenstretch.jpg","thumbnail_width":871,"thumbnail_height":1216,"description":"Seitgr\u00e4tschstand, die Arme hinter dem Kopf verschr\u00e4nken und den Oberk\u00f6rper langsam nach links abbeugen und halten (kein Kippen nach hinten oder vorne, keine Rotation um die L\u00e4ngsachse!). Dadurch wird die seitliche Rumpfmuskulatur gedehnt und die [...]"}