This video shows a group of people in a martial arts studio. The focus is on a man who is wearing a white uniform with a black belt. He is lying on his back on the floor and lifting his legs up in the air. The man's legs are straight and he is holding them with his hands. The studio has red mats on the floor and there are other people in the background who are also wearing white uniforms. The walls of the studio are white and there are several flags hanging on the wall. The man's movements are slow and controlled, indicating that he is practicing a specific martial arts technique.