<iframe width="580" height="385" src="https://www.youtube.com/embed/q6NIWNnvOK0?rel=0&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>A quick, intense ab workout to exercise every angle of your midsection. Shop GymRa apparel: Join for free! <br><a href="https://www.youtube.com/watch?v=q6NIWNnvOK0">source</a>