1.0Teaching and Learning Services/tlscuthemeedtr5/tls/author/cuthemeedtr5/rich600338<blockquote class="wp-embedded-content" data-secret="2AxwuHh0IE"><a href="/tls/2013/spotlight-on-teaching-excellence-kevin-cheung/">Spotlight on Teaching Excellence: Kevin Cheung</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/tls/2013/spotlight-on-teaching-excellence-kevin-cheung/embed/#?secret=2AxwuHh0IE" width="600" height="338" title="“Spotlight on Teaching Excellence: Kevin Cheung” — Teaching and Learning Services" data-secret="2AxwuHh0IE" 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=/tls/wp-includes/js/wp-embed.min.js </script> By: Sabrina Doyle Two years ago, Kevin Cheung started having trouble standing for long periods of time. He would get dizzy and feel faint. Doctors couldn’t figure out what was wrong, but it was impacting his work. Cheung teaches math at ÐÓ°ÉÔ­´´, and math teachers generally stand and write on the chalkboard a lot. When […]