The "everything happens below the knees" in tango conflicts- at least typographically- with what we've been taught, so now I'm curious for more perspectives.
We were taught to move from the hip still, like in all standard dances, BUT instead of placing the foot and rolling onto it, to snap onto it- or at least, the lead would put the lady's weight more quickly onto that foot than foxtrot, giving it the stealthy, expedient motion. The 'rubber band around the thighs" analogy also came into action, so that it LOOKED like the action was below the knees, but really, the whole leg was used still, just differently in application?