The quadrilateral space is a anatomical description of a four sided shape where the shoulder meets the body. It is formed by the teres minor, teres major, part of the triceps, and the humerus.

Rupture of the circumflex artery and nerve, without fracture or dislocation, is a rare traumatic event. Such a case is reported in a champion flat jockey who sustained blunt trauma to the shoulder ...

After multiple tests and days in the hospital the results came back as quadrilateral space syndrome, which was the best case scenario. The National Institute of Health defines the disorder as a rare ...

The axillary nerve is the most frequently injured nerve in proximal humerus fractures. This nerve traverses the quadrangular space along with the posterior humeral circumflex artery before ...

Quadrilateral space syndrome is an uncommon injury. The true prevalence is unknown because of a lack of literature and possible misdiagnosis. Prevalence may increase as knowledge of the syndrome ...