The portal has a large storage of video files, similar to Youtube, but with the addition of more fine-tuning access to content by groups that the trainer creates. Also, the trainer can display messages for his subscribers in the window above the content:

Видео по подпискам, сообщения от тренера.

For a faster search for the required video file, you can use "the quick search"- when you enter a request, all videos containing this text, including timestamps of each video file, will be instantly displayed. .

To search for categories or groups of videos of a specific trainer, there is a field "Filters":

Фильтр видео по категориям