Hips rotate toward the diagonal — not a true lateral rollout
The hips must stay square; the diagonal comes from the arm path not hip rotation.
Overactive muscles
ObliquesTFL
Corrective work
Foam RollTFL↗StretchQL side-bend stretch↗The hips must stay square; the diagonal comes from the arm path not hip rotation.
The anti-extension demand increases as the angle moves lateral.