One of the most neglected body parts is the neck. Everyone loves training their chest, biceps, and abs. But often when it comes to legs, back, triceps, people just don't put in the work. And when it comes to things like calves, forearms, and necks, it's even worse. But the neck is one of the most important muscles in your body. It's responsible for your posture, alignment, and overall body strength. In the Burmese martial art of Lethwei, they allow headbutts. And because of this they take neck training very seriously. This video will demonstrate the exercises used. Give them a try…