Where can one go to watch a fitness video?

There are several fitness coaches having their own website, where you can find videos on fitness tips.
You can also find these videos on YouTube easily as they have their channel dedicated to fitness on youtube too. Fitness coaches like Elina, Adriana Sorgi, Ultimative Anleitung: Wie man die Sauna im Fitnessstudio richtig nutzt and others share their fitness tips videos on youtube so it's very convenient to find fitness videos there.