Jang's Yong In Martial Arts (JMA) is a martial arts school in Forest Park, Illinois, offering programs in Hapkido, Yongmoodo, Taekwondo, self-defense, and weapons training. The school serves all ages and emphasizes training both body and mind, with a focus on self-confidence, personal development, and community support. JMA encourages students to set individual goals to build intrinsic motivation and pursue excellence in their martial arts journey.