This video shows Matsuoka Sensei and Seagal Sensei leading classes at Tenshin Dojo, Osaka in the early 1980s (1982-1983). Note the large class sizes and the energy within the practice.You can see Seagal Sensei teaching Matsuoka Sensei kotegaeshi breakfall ukemi at 1:35.
This video was filmed by Shiro Matsuoka, Matsuoka Sensei’s father. The source video was transferred from an old film camera so the quality is low. However, we’ve now preserved the video digitally so it won’t degrade any further.