A pinched nerve may be involved. Gastroesophageal reflux disease (GERD) may cause referred pain between the shoulder blades, affecting the back. Inflammation in the pancreas may also cause this pain.

A pinched nerve in your neck can be ... a muscle that connects the neck to the shoulder blade, to relieve compressed nerves ...

Pain from a pinched nerve in the neck can make ... roll the shoulders forward and up toward the ears, then back down and back, pushing the shoulder blades together. Repeat this move for 30 seconds ...