Upper back muscle pain generally includes area of your rhomboid, infraspinatus , and the trapezius . Usually the reasons why people get this pain are for example fall, traffic accidents and all sports related injuries. For anyone having this pain will be challenging or very difficult to freely turn your head and using your arms. The worst part, beside difficulties to bear this pain at end if correct treatment or instructions are not followed it can produce undesirable effects in developing in Thoracic outlet syndrome.  Read more...