The Orthobullets Podcast Shoulder & Elbow | Quadrilateral Space Syndrome
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Jul 27, 2025 Dive into the complexities of quadrilateral space syndrome, a rare and painful condition affecting the shoulder. Discover its causes, symptoms, and the diagnostic methods employed by experts. Learn about the impact on muscle function and potential complications, especially for athletes like throwers. The discussion also highlights various treatment options, from conservative measures to surgical interventions, perfectly illustrating the challenges and successes faced in managing this intriguing condition.
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Understanding Quadrilateral Space Syndrome
- Quadrilateral space syndrome causes posterolateral shoulder pain from axillary nerve and artery compression.
- Diagnosis relies on clinical signs and MRI, treating mainly with NSAIDs and physical therapy initially.
Epidemiology and Causes
- This syndrome typically affects 20- to 40-year-olds, often the dominant shoulder.
- It is common in overhead athletes and caused by compression from various structural issues or trauma.
Quadrangular Space Anatomy
- The quadrangular space is bordered by teres minor, teres major, long head of triceps, and surgical neck of humerus.
- The axillary nerve and posterior circumflex humeral artery pass through this space.