Plyometrics is high impact and full of jumps & squats. The majority of the exercises last 30 seconds and you do a group of them one after the other. Then, you have the joy of repeating the same group of exercises. You get reasonable breaks to get some water and get your heart rate down.
Before I started, I decided to make one of my delicious well perfected protein shakes to get some fuel. As soon as I started the video, Tony Horton tells you to let an hour pass since you've last eaten. Oh well! I felt a little queasy at first, but not enough to make me take a break. I will make note of that next time for sure.