Trunk leans away from the pressing side
QL on the opposite side compensates for weak core.
Overactive muscles
Quadratus lumborumTFL
Corrective work
Foam RollQuadratus lumborum↗Foam RollTFL↗StretchQL side-bend stretch↗QL on the opposite side compensates for weak core.
Down knee hip doesn't extend; hip flexors stay shortened.