No, not when you already have bad or injured knees, I’m talking about prevention. And possibly rehab after damage, but in a lighter form of the exercise with progression.
Demonstrated in the video is what I use to work on knee strength, the exercise demonstrated also works the calves. feet, shoulders, core, and thoracic.
The Hindu squat also works on stability in the legs.
The Hindu squat requires progression, i,e. you need to already have some quad strength and stability before attempting it without weight.