How is exceeding the floor exercise boundary marked during a competition?

In gymnastics competitions, when a gymnast exceeds the designated boundary on the floor exercise, this infraction is marked by a deduction in score. Judges are responsible for monitoring the routines and if a gymnast steps out of bounds, it is noted and results in a specific deduction that reflects the severity of the violation. This approach ensures that the evaluation focuses on the gymnast’s performance according to the established rules of the competition, highlighting the importance of maintaining control and precision within the designated area.

The other possible options do not accurately represent how boundary violations are handled in gymnastics scoring. While verbal warnings might occur in other contexts or situations, in Level 10 competitions, exceeding the boundary directly impacts the gymnast's score. Visual alerts on the score sheet and yellow cards are not standard practice for marking boundary violations in this scenario; rather, they relate to different types of rule enforcement or disciplinary actions. Thus, a score deduction is the correct and systematic method for addressing this infraction during a floor exercise routine.