For Strong By Zumba Instructors Only #Repost@syncnetwork ・・・ Launch Alert! The new Fighting Elements E-learning is here! Master the martial arts moves STRONG by Zumba® was built on. Lead Master Trainer Ai Lee Syarief and Master Trainer Umar Syarief guide you through detailed demos and drills. Tap into your inner warrior and be a better instructor. Just for SYNC Members - Check your inbox for all the details.