She had to stay still otherwise they'd have had her wig off with all that flailing... Jx
"Flailing" is indeed the proper term!
Notice that the dancers (if they can be called that) wisely chose to hide their faces in darkness, or turned their backs altogether to the camera to avoid any chance of being identified.
Engineered, not coreographed, with the German precision we've cometo expect. Wunderbar!!!