Hip hikes on the opposite side as the leg raises
Pelvis tilts rather than the hip abducting; glute med is underloaded.
Overactive muscles
Quadratus lumborumTFL
Corrective work
Foam RollQuadratus lumborum↗StretchQL side-bend stretch↗Pelvis tilts rather than the hip abducting; glute med is underloaded.
Body twists to achieve the range; true hip abduction is bypassed.