1.0FirmaFitnesshttps://firmafitness.ee/en/info@firmafitness.eehttps://firmafitness.ee/en/author/infofirmafitness-ee/rich600338<blockquote class="wp-embedded-content" data-secret="uUDNNSwrm1"><a href="https://firmafitness.ee/en/sitting-on-a-ball/">Sitting on a ball</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://firmafitness.ee/en/sitting-on-a-ball/embed/#?secret=uUDNNSwrm1" width="600" height="338" title="“Sitting on a ball” — FirmaFitness" data-secret="uUDNNSwrm1" 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://firmafitness.ee/wp-includes/js/wp-embed.min.js </script> https://firmafitness.ee/wp-content/uploads/2022/03/C1712F95-96F2-4D0D-ACB4-2B2428DC20DA-scaled.jpg19202560Sitting on a large ball has become popular in offices. Many get rid of the chair and start sitting on the ball instead, trying to make their workplace more ergonomic, strengthen their core muscles and improve their posture. I read a couple of studies and decided to write about the advantages and disadvantages of sitting […]