What does dirty skating refer to in roller derby?

Dirty skating refers to actions in roller derby that violate the established rules of the game, specifically concerning foul play. This includes maneuvers that are deemed illegal, such as targeting an opponent in a way that could cause injury or using unfair tactics to gain an advantage. Understanding that dirty skating is associated with unsportsmanlike conduct is crucial for players and officials. It emphasizes the importance of adhering to the rules to maintain the sport's integrity and safety.

The other options describe different aspects of gameplay within the laws of roller derby. Legal blocking techniques highlight strategies that players can employ without crossing into foul territory. High-impact skating pertains to the physicality of the game that is allowed for scoring, while the improper use of skating equipment addresses issues that might arise from not using gear correctly but not specifically linked to rule violations in gameplay.