Side plank high elevation hip adduction ("Plank, side (low)" Core/scapular stabilization, adducting leg, foot on chair)

Lie on your affected side with your top foot elevated on a chair.
Your lower foot will be positioned on the floor.
Place your lower forearm on the floor with your elbow under your shoulder.
Lift your hips off the floor until you have a straight line from your head to your ankles.
Holding this position, lift the lower leg up and hold.
Lower this leg back to the floor and repeat.