Indeed, the knee makes a truncated circular motion while walking, and that doesn't seem to cause problems.I don't understand the point about joint pain. The motion of the ankle and knee don't seem that different to me. Is this a solution looking for a problem?
Promo vids and product adverts are always at best economical with the truth and at worst mostly BS.We don't need to ride the bikes - which may indeed be nice machines to ride, that's not seemingly under dispute - to see what a crock their promotional video is.
But if you are aiming for an audience that actually know their stuff, you would have thought that the makers should know that they needed to do better.Promo vids and product adverts are always at best economical with the truth and at worst mostly BS.
Thought that was a given.