The pectoralis minor muscle contributes to pain in the chest, shoulder, arm, hand and fingers. Chest pain can be tenderness or sharp, burning stabbing pain. The pec minor can also contribute to pain in the upper back between the shoulder blades.
The pectoralis major contributes to pain in the chest, shoulder, breast and upper back. Pain can also travel down the inner arm, elbow and extend to the hand and last two fingers.
The serratus anterior muscle can contribute to pain down the side of the ribs, around the shoulder blade, and may chest, arm, hand and fingers. It also contributes to pain in the back around the shoulder blade and down the side of the ribs.
The serratus posterior superior muscle is a muscle found in the upper back. It contributes to pain in shoulder, shoulder blade region, arm, hand and little finger. It can also contribute to pain in the upper chest.
The intercostal muscles are found between the ribs. The muscles can contribute to pain in and around the rib cage. They are also a major contributor to pain in the sides and in between the ribs known as a side stitch.
The diaphragm is a muscle found under the lower ribs. It can contribute to breathing problems, pain in the chest and ribs and can cause the sharp pain in the side known as side stitches.
Rhomboid Major and Rhomboid Minor Muscles: Trigger Point Pain The rhomboids are two separate muscles, the rhomboid major and the rhomboid minor. The muscles are located in the upper back…