sentence: Taekwondo develops force, speed, balance, flexibility, and stamina.
sentences_before: Taekwondo as a sport and as an exercise is popular among people of both sexes and many ages.
sentences_after: It also involves mental focus. Breaking boards, for example, demonstrates a union of mental and physical discipline. Breaking a board with one's hand or foot requires both the physical mastery of the technique and a concentrated focus on one's force.
concept_name: taekwondo
headings: Taekwondo Features
categories: Martial arts