Standing Hip Circles

How to

1. Begin standing on one leg, holding to a vertical support.
2. Raise the unsupported knee to 90 degrees. This will be your starting position.
3. Open the hip as far as possible, attempting to make a big circle with your knee.
4. Perform this movement slowly for a number of repetitions, and repeat on the other side.

Instructions from free-exercise-db (public domain).