The two muscles are antagonists to each other, with the serratus cervicus pulling the scapula towards the neck, and the serratus thoracis pulling the scapula away from the neck.
Includes the trapezius cervicalis (originates along the cervical vertebrae) and trapezius thoracis (originates along the thoracic vertebrae).
Septic complicationstoday rareinclude ear and sinus infection, streptococcal pneumonia, empyema thoracis, meningitis and full-blown sepsis, upon which the condition may be called malignant scarlet fever.