Does your back hurt between the shoulder blades? A possible cause of this pain can be trigger points located in the large and small rhomboid muscles. Also, if there is pain between the shoulder blades, it is necessary to examine the levator scapula, trapezius muscle, hypogastric muscle, scalene muscles, ilealrib muscle of the chest, partition muscle, upper back serratus muscle, latissimus dorsi muscle and anterior serratus muscle, latissimus dorsalis muscle, anterior spinal muscle, latissimus dorsi muscle and anterior serratus muscle, upper back serratus muscle, latissimus dorsi muscle and anterior serratus muscle.