Despite it’s technical focus injuries do occur in Judo. The ballistic impact that can result from high octane throws is enough to damage any practitioner who happens to take a bad fall. Even the pushing and pulling of randori can cause unexpected health problems.
It’s wise for judo players and instructors to seriously consider insurance. Personal insurance as well as school-wide policies can take a life altering event and make it salvageable. There is no way to completely eliminate the risk of judo practice so acquiring proper coverage is the right call every time.