Dan Tien

The dan tien is the part of the body below your navel it is where your ki is mostly stored here's the location

https://media.photobucket.com/image/dan%20tien/Jinshindo/illus5.gif
www.en.wikipedia.org/wiki/Dantian

your dan tien is used for many different kinesis and martial art's here's one technique that should be used for training

Focus your chi in your dan tien in the abdomen then form your chi into a ball inside our dan tien then imagine the chi flowing from your dan tien throughout your body you should start by making your chi flow from your dan tien to your arm's flowing thorugh them constantly.