When is a lower value part awarded in the case of missing 90 degrees or more during a twisting dismount on the beam?

A lower value part is awarded in the case of missing 90 degrees or more during a twisting dismount on the beam because the difficulty and execution of the dismount are evaluated based on the precision of the twist. When the gymnast completes less than 90 degrees of rotation, this indicates a significant error in the intended difficulty of the skill.

By missing 90 degrees or more, the gymnast is not meeting the requirements for a full twist, which fundamentally changes the dismount’s execution and value. This aspect of judging emphasizes the importance of technical accuracy and full completion of skills in gymnastics. Therefore, in this context, when the dismount fails to meet this threshold, the routine is penalized with a lower value, accurately reflecting the gymnast's performance relative to the established standards.