The next stage of medical experiments for Alex was an endurance test. He was suspended on his wrists and had to do leg raises until he was exhausted. Once Alex could no longer perform the exercises, he received a variety of painful corporal punishments, including scratching, navel torments, and of course, flogging.

16 minutes 4K video of suspended by the wrists Alex had to do physical exercises until failure and followed by punishments of scratching, navel torments and flogging