What is the most traditional sports program in Russia?

Sambo is a traditional Russian sports program, which means "unarmed combat" and was the "national sport" of the former Soviet Union.

Because the traditional Sambo skills are mainly wrestling, it is also commonly known as "Russian wrestling" or "Russian judo", but it is not purely "judo" or "wrestling". Its techniques have distinct Russian national characteristics. In 1905, Oshepkov, a judo master who grew up in Japan, returned to the Soviet Union, mixed judo and wrestling together, and designed a set of fighting techniques suitable for the physical characteristics of the Russian people. This is "Sambo". This set of techniques is very similar to Judo in many places, but it has absorbed and developed many techniques that Judo does not have, such as relatively complete grappling techniques and joint techniques, especially the joint techniques of the legs. Later, it successively absorbed the essence of Eastern and Western fighting techniques such as Chinese grappling, Japanese karate, Korean Tang Shou, and Brazilian Jiu-Jitsu. It was continuously enriched and sublimated, and gradually formed a set of theoretically thorough and mature fighting techniques.