Using the floor's feedback this video uses Supta Padangusthāsana or Reclining Big Toe pose to learn internal and external hip rotation in preparation for standing poses
This video teaches how to use the feet, shins, thighs and outer hips for stability in lunges.
This video teaches External Rotation in standing poses: Trkonasana and Virabhadrāsana 2
This video teaches the basics of internal rotation in warrior 1 and pyramid poses
