1.0US Club Soccer Websitehttps://usclubsoccer.orgTyler Heffernanhttps://usclubsoccer.org/author/theffernan/rich600338<blockquote class="wp-embedded-content" data-secret="wuJbOyX9yD"><a href="https://usclubsoccer.org/headinjuries/">Head Injuries</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://usclubsoccer.org/headinjuries/embed/#?secret=wuJbOyX9yD" width="600" height="338" title="“Head Injuries” — US Club Soccer Website" data-secret="wuJbOyX9yD" 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); </script> U.S. Soccer announced the U.S. Soccer Concussion Initiative, which provides guidelines that were implemented beginning in January 2016. US Club Soccer clarified the following implementation guidelines as it relates to concussion initiatives and heading for youth players