The push jerk is a powerful, athletic and useful movement. It is definitely worth adding to your movement repertoire. This movement is somewhat advanced. Make sure you have developed some competence with the military press first, and then the push-press. You will also need to be able to squat with the correct movement pattern.
In this video we break down the key elements of the push jerk, show you how to practice those elements and then how to put them all together.