Chronic Ankle Sprain with weak hip making recovery more difficult {Lacey Wa}

This young patient had a chronic ankle sprain that WOULD NOT GET BETTER,  He wore a brace but still had pain after more than 6 months.  To make matters worse, the hip on the right side (where the ankle sprain was) became weak from the pain.  You can see his right knee collapses in when he does a right leg mini squat.

Right knee collapses with single knee squat

After we gave him this exercise:

he and stretched the right front/inner hip, he had more control:

And now he runs side to side like this: