Ashi Waza refers to a category of techniques in Judo that focus on using the feet and legs to throw or off-balance an opponent. These techniques are essential for gaining control and leverage during a match. Ashi Waza includes various methods such as foot sweeps and trips, which can effectively disrupt an opponent's balance and lead to a successful throw. In Judo, mastering Ashi Waza is crucial for practitioners, as it allows them to utilize their lower body strength and agility. By employing these techniques, judokas can create openings for throws, making them a vital part of both offensive and defensive strategies in competitive scenarios.