The movements involved in gymnastics contribute to the development of the arms, legs, shoulders, back, chest and abdominal muscle groups. Alertness, precision, daring, self-confidence and self-discipline are mental traits that can also be developed through gymnastics. Competitive artistic gymnastics is the best known of the gymnastic events. It typically involves the women's events of vault, uneven bars, balance beam and floor exercise as well as the men's events of floor exercise, pommel horse, still rings, vault, parallel bars and horizontal bar. Other FIG disciplines include rhythmic gymnastics , trampolining and tumbling , acrobatic gymnastics , aerobic gymnastics and parkour.