--> In this Pro Tips 4U video, MMA star Rudi Ott, with the help of national Kickbox Champion Jenna Castillo, go through the Sets For Time workout’s, with cascading reps of three exercises going from 21- 15 - 9 sets. This is a great video to help build your overall strength and stamina. Learn the secrets of the 1. Clean-and-Jerk 2. Burpee’s, and 3. Kipping Pull-ups. Learn the proper technique for each exercise plus common mistakes to avoid.