Box squats at or slightly above parallel are crucial with anyone coming off knee surgery to get them in the habit of loading the hips properly and taking any shear moment off the knee. She needs to keep the shins as vertical as possible. Soft tissue work should revolve around the TFL in the hip and cleaning up any stiffness in the quads and hamstrings as they feather into the IT band. Voodoo floss above and below the knee, don’t go directly over knee cap.