It is contagious and caused by viruses and bacteria. A disorder that affects muscle and soft tissue characterized by chronic muscle pain, tenderness, fatigue and sleep disturbances.

The scapula (shoulder blade), clavicle (collarbone) and humerus (upper arm bone) rely heavily on the coordination of muscles like the rotator cuff, trapezius, serratus anterior and deltoids to ...

It may affect one of three major nerves in the shoulder: the dorsal scapular nerve, which controls the rhomboid muscles the spinal accessory nerve, which controls the trapezius muscle the long ...

To allow antagonistic pairs to work efficiently, other muscles called fixators assist by supporting and stabilising the joint and the rest of the body. The trapezius muscle can act as a fixator ...