<iframe src="https://player.vimeo.com/video/271023984?background=1&quot; width="640" height="360" frameborder="0" allowfullscreen></iframe>

Place one foot up on a chair, couch, or stool and the other foot on the ground. Lunge and bend both knees then straighten your leg and hop at the top. For an easier modification don’t hop just lunge down and up.