High Quality Content by WIKIPEDIA articles! United States of America Gymnastics (USA Gymnastics) or USAG is the national governing body for gymnastics in the United States. The mission of USA Gymnastics is to encourage participation and the pursuit of excellence in all aspects of gymnastics. The programs governed by USAG are: Women`s Artistic, Men`s Artistic, Rhythmic, Trampoline Tumbling, Acrobatic, and Group gymnastics.