Try these drills to improve your scapulothoracic rhythm.
Banded Face pull to Y-press
Kettlebell Arm Bar
Underswitch to Downward dog toe touch
To alleviate inappropriate stress on the glenohumeral joint (ball & socket) we need to learn a multitude of ways the scapula and thoracic joint work together to put the rotator cuff in the right place at the right time.