Body tilts forward — not truly lateral
The star must stay in the frontal plane; rotating forward reduces the lateral chain demand.
Overactive muscles
Anterior deltoidPec minor
Corrective work
Foam RollPectorals↗StretchDoorway pec stretch↗The star must stay in the frontal plane; rotating forward reduces the lateral chain demand.
Serratus and lower trap must hold the shoulder stable; collapsing means excessive load.