You will need to be on the ground to perform this movement as shown in step one. You will be able to see how ground work is done when the video starts. Ground work may become necessary in a situation when you have been brought to the ground by a push or a trip. You can still defend yourself from the ground. You should practice the movement five times and do the quiz when you are ready. To watch the video you will have to press play. You can click to repeat this lesson if you are not ready to answer the quiz. You should click to continue when you are ready to move on to the next part of the lesson.