Throwing techniques are broadly divided into two main categories: ( Tachi-waza ) and Sacrifice Techniques ( Sutemi-waza ). Standing Techniques ( Tachi-waza )

These throws are performed while the thrower ( tori ) remains upright. They are further categorized by the primary part of the body used to execute the throw:

10 techniques using the hips as a fulcrum (e.g., O-goshi , Harai-goshi ).

5 techniques where the thrower falls backward (e.g., Tomoe-nage , Sumi-gaeshi ).

16 techniques where the thrower falls to their side (e.g., Tani-otoshi , Yoko-gake ). The Gokyo no Waza (Standard Syllabus)

Understanding Kodokan Judo Throwing Techniques ( Nage-waza ) , founded by Jigoro Kano in 1882, officially recognizes 68 throwing techniques ( Nage-waza ) as of April 2017 . These techniques are designed to utilize an opponent's force to unbalance and throw them to the ground. The Mechanics of a Throw

For those looking for a comprehensive visual and technical reference, Toshiro Daigo’s book, Kodokan Judo Throwing Techniques , is considered a definitive resource on all 67 original categories. Kodokan Judo Throwing Techniques - sciphilconf.berkeley.edu