This was almost out just when I came in. Loved to dance the Boogie. Now all I can do is tap my feet and that's on a good day. Well, I can still dance - just not the knee-bend thingy.
The male dancer - fantastic. Never moves his shoulders but watch his feet and knees. Comment from the person who sent the email to my friend: "If you experience any trouble tapping your foot to the beat, you had better hurry and schedule an appointment with your physician."