Rounded upper back off the pins
Scapulae protract and thoracic rounds under the partial range load.
Overactive muscles
Pec majorPec minorUpper trapezius
Corrective work
Foam RollPectorals↗Foam RollThoracic spine↗StretchDoorway pec stretch↗Scapulae protract and thoracic rounds under the partial range load.
Lean-back past vertical finish.