Very unlikely though... Not counting the one OVA which very nature seem non-canon, Miho have danced the anko dance twice. I'm suprised she even knew the steps well enough to dance it during the match agains Pravda.
It must've been from all of the off-screen practice.
*CRICK*Ah...!!
Just now, I unconsciously...Hmmmm...!Spinal Reflex*SHOCK**CRACK*...It's been ingrained into my body!?Phew... I'm tired...Ah AhAhn AhnAhn...Ah Ah