Specialties: Synergy Fitness provides small group Teen and Adult training classes. Functional training for life. Move in all planes of movement. All levels All ages. Ninja Warrior Training for Adults and Teens. Established in 2011. Synergy Fitness started out of Coach Jason's garage. He quickly developed a following and opened in the Dunkin Plaza. Working with all levels, Jason can get a ...Specialties: Synergy Fitness provides small group Teen and Adult training classes. Functional training for life. Move in all planes of movement. All levels All ages. Ninja Warrior Training for Adults and Teens. Established in 2011. Synergy Fitness started out of Coach Jason's garage. He quickly developed a following and opened in the Dunkin Plaza. Working with all levels, Jason can get a seasoned athlete in the same class as an awkward first timer, and both will benefit from the class. NO ego. No mirrors. This workout is about how you feel, not how you look. Get stronger, faster and more confident.see more