Image-Guided Surgery - Overview. 1  Image-guided surgery (IGS) is the use of a real-time correlation of the operative field to a preoperative imaging data set that reflects the precise location of a selected surgical instrument to the surrounding anatomic structures. Although first developed for neurosurgery, endoscopic sinus surgery (ESS) rapidly became one of the leading indi...
Like most other muscles, there are two trapezius muscles â a left and a right trapezius â that are symmetrical and meet at the vertebral column. The trapezius arises from ligaments at its origins along the nuchal crest of the occipital bone and the spinous processes of the cervical and thoracic vertebrae....
Tweet. Trapezitis is an inflammatory pain arising from the trapezius muscle (Picture 1) causing a severe neck spasm. This muscle lies at the back of the neck and helps in shrugging movement of the shoulders along with upward movement of the head.weet. Trapezitis is an inflammatory pain arising from the trapezius muscle (Picture 1) causing a severe neck spasm. This muscle lies at the back of the neck and helps in shrugging movement of the shoulders along with upward movement of the head.