👉 Shadowboxing is a martial arts technique where an opponent is placed in shadows and then attacked from behind. The idea of shadowboxing originated in Japan, specifically in the 1970s, and it involves using a series of powerful strikes or blows to knock out the opponent's legs or body in order to incapacitate them. Shadowboxing is a popular martial arts technique that has gained popularity worldwide due to its unique style and effectiveness against opponents with varying levels of strength and agility.