Squat Rx

I found this excellent series of videos on squat mechanics and tips a week or two ago, then lazily sat on it without posting it. Straight to the Bar is on the ball, though. :-) I'll be quicker next time. Really, excellent videos. At least check out the first one. Every winter I try to get around my dodgy knees to learn a proper squat, but they don't cooperate. Maybe this'll be the year. I hate to skip such a key exercise.