To bring more integrity to your balance, move the inner right ankle back toward the right heel and then turn the right outer ankle down toward the floor. (yogajournal.com)
Pull back on the toes as you lean forward, but push actively through the bases of the big toes to keep the inner and outer ankles even. (yogajournal.com)
Keep your inner and outer ankle lengthened equally so that your foot extends straight up toward the ceiling. (yogajournal.com)