{"version":"1.0","provider_name":"BJSM blog -  social media&#039;s leading SEM voice","provider_url":"https:\/\/blogs.bmj.com\/bjsm","author_name":"bjsm","author_url":"https:\/\/blogs.bmj.com\/bjsm\/author\/nifferco\/","title":"Heading in Football Matches - BJSM blog - social media&#039;s leading SEM voice","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"YvB8w0gIg1\"><a href=\"https:\/\/blogs.bmj.com\/bjsm\/2026\/05\/15\/heading-in-football-matches\/\">Heading in Football Matches<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.bmj.com\/bjsm\/2026\/05\/15\/heading-in-football-matches\/embed\/#?secret=YvB8w0gIg1\" width=\"600\" height=\"338\" title=\"&#8220;Heading in Football Matches&#8221; &#8212; BJSM blog -  social media&#039;s leading SEM voice\" data-secret=\"YvB8w0gIg1\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/blogs.bmj.com\/bjsm\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/blogs.bmj.com\/bjsm\/files\/2026\/05\/Heading-in-football-matches.jpg","thumbnail_width":512,"thumbnail_height":414,"description":"Why is this study important? Heading in association football, is an intentional, direct impact between the head and the football and a fundamental skill that can significantly influence match outcomes. Heading in football continues to attract attention, particularly in relation to long term brain health, concussion risk, and youth participation.\u00a0 To support informed decision making, [...]Read More..."}