What does UB stand for in gymnastics judging terminology?

In gymnastics judging terminology, UB refers to Uneven Bars, which is one of the apparatus used in women's artistic gymnastics. This event consists of two horizontal bars set at different heights, where gymnasts perform a variety of skills, including swings, releases, and transitions, all while demonstrating grace, strength, and precision.

Understanding this terminology is crucial for both judges and athletes, as it helps define the specific apparatus being evaluated in competitions. The other options, while they might seem relevant, do not represent the official terminology recognized in gymnastics. Therefore, recognizing that UB stands for Uneven Bars is essential for clear communication and evaluation within the sport.