1.0Happy Bodieshttps://happybodies.nl/enfreshdevhttps://happybodies.nl/en/author/freshdev/rich600338<blockquote class="wp-embedded-content" data-secret="27qvCCYomO"><a href="https://happybodies.nl/en/blog/mooie-spieren-dit-is-het-geheim/">Beautiful muscles? This is the secret!</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://happybodies.nl/en/blog/mooie-spieren-dit-is-het-geheim/embed/#?secret=27qvCCYomO" width="600" height="338" title="“Beautiful muscles? This is the secret!” — Happy Bodies" data-secret="27qvCCYomO" 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://happybodies.nl/wp/wp-includes/js/wp-embed.min.js </script>https://happybodies.nl/app/uploads/2026/06/HB-foto-2.jpeg1200600Veel vrouwen zijn bang dat ze door krachttraining enorme spieren krijgen en er als de Hulk uit gaan zien. Gelukkig is deze angst ongegrond. Vrouwen hebben van nature niet genoeg spieropbouwende hormonen…