Have a look at the following video: www.youtube.com/watch?v=s41QTV1Vpeg
It has to do with Romboid pain, which runs along side your scapula -- perhaps it is relevant to you as well.
You might try stretching out your upper pecs -- counter-intuitive, but if they're too tight, bringing your shoulder forward, that could explain the pain.
C4-T4 Scoliosis (disk degeneration, stenosis, narrowed neuroforamen, bone spurs), RT hip and SI joint damage from car accident in 2004. Also, supraventricular tacycardia and mitral valve prolapse.
Time Release: Tramadol ER 300mg. For BT: Tramadol IR 50mg (morning), Oxycodone 5-7.5mg (afternoon-evening). Sleep: .25-.5mg xanax. Verapamil 240mg SR (for tachycardia).