Sometimes in movement science we get carried away with the esoteric details. Aligning the left 11th rib correctly, loosening up T4, making sure our slings are slinging, or stimulating or spinocerebellar tract. While all these details have their place, sometimes it’s best to just keep it simple.
Here’s a great way to keep it simple. Prone shoulder exercises. It strengthens the back of your shoulder in a position where it is very difficult to compensate with other muscles.
Try doing 3 sets of 10-20 repetitions of these 2-3x/week.