In Greenwich for 20 years, Dynamic Martial Arts offers personal training, life skills, and self-defense training for children and adults of all ages. Sensei Corey Paternoster leads personal and group classes for karate and cardio kickboxing. In addition to being a fifth-degree black belt, Paternoster is certified in submission fighting and personal training by the National Sports Medicine Association. The school does school demonstrations and birthday parties, and offers scholarships to students who cannot afford the full cost of classes.