Hips sag toward the floor
Lateral core cannot maintain the straight body line; lower the knee as a regression.
Overactive muscles
Quadratus lumborumTFL
Corrective work
Foam RollQuadratus lumborum↗StretchQL side-bend stretch↗Lateral core cannot maintain the straight body line; lower the knee as a regression.
Upper trap elevates instead of the serratus and lower trap stabilizing the shoulder.