5:00
Sergei Borschev CZ seminar 2006
Jan Sedláček
2:23
Sergej Borschev, bio-mechanics work
2:05
Sergei Borschev
1:09
Sergei Borschev - strikes basics, Orlova CZ 2006
2:07
Sergei Borschev - fullness and emptiness principle (ENG subs)
3:59
Sergei Borschev - Systema Biomechanics
3:33
Sergej Andrej tyč
2:18
Sergei Nebalujev (Сергей Небалуев)
3:55
Sergei Ivanovich Nebaluyev - introduction to knife training methodology
0:51
Sergey Borshev on the use of fatigue as a principle
2:45
Understanding Tension and Relaxation in Systema with Sergei Borschev 🥋⚖️🧘
