Judo techniques are divided into three major categories: nage waza (throwing techniques), katame waza (grappling techniques, and atemi waza (vital-point striking techniques). Nage waza are many and varied, their purpose being to unbalance an opponents posture and throw the opponent to the floor.The Judo syllabus teaches submissions, including choke-holds and joint locks. However, submissions are not as popular in competitions for a number of reasons. ... Because submissions are not as popular as throws in Judo, the student syllabus will focus more on throws and grappling than on submitting your opponent.