Shoulders protract off the pad at lockout
Pec minor and anterior delt push the scapulae forward at end range.
Overactive muscles
Pec minorAnterior deltoid
Corrective work
Foam RollPectorals↗Foam RollThoracic spine↗StretchDoorway pec stretch↗Pec minor and anterior delt push the scapulae forward at end range.
Upper arm position changes the target from upper pec to anterior delt.