Quadrilateral Space Syndrome
Quadrilateral space syndrome qss is compression of the axillary nerve and posterior humeral circumflex artery as they pass through this space.
Quadrilateral space syndrome. Quadrilateral space syndrome qss arises from compression or mechanical injury to the axillary nerve or the posterior circumflex humeral artery pcha as they pass through the quadrilateral space qs. Quadrilateral space syndrome is an uncommon cause of paresthesia and an underdiagnosed cause of digital ischemia in overhead athletes. Quadrilateral space syndrome qss is a rare disorder characterized by axillary nerve and posterior humeral circumflex artery phca compression within the quadrilateral space.
Quadrilateral space qs syndrome qss is a relatively rare condition in which the axillary nerve and the posterior humeral circumflex artery are compressed within the qs. Impingement is most frequently due to trauma fibrous bands or hypertrophy of one of the muscular borders. Sometimes the symptoms are caused by the compression of an artery in the same area.
This is a vary rare condition but should be suspected in athletes with the symptoms below. The quadrilateral space is located posterior and inferior to the glenohumeral joint and contains the axillary nerve and posterior humeral circumflex artery. Quadrilateral space syndrome is a rare disorder characterized by compression of the axillary nerve and posterior humeral circumflex artery within the quadrilateral space 1.
Quadrilateral space syndrome usually happens from overuse especially with overhead sports like throwing and swimming. Diagnosis can be complicated by. Quadrilateral space syndrome qss happens when the axillary nerve is compressed or injured in the back of the shoulder.
Quadrilateral space syndrome qss arises from compression or mechanical injury to the axillary nerve or the posterior circumflex humeral artery pcha as they pass through the quadrilateral space qs. Quadrilateral space syndrome is an uncommon cause of paresthesia and an underdiagnosed cause of digital ischemia in overhead athletes. Quadrilateral space syndrome is a rotator cuff denervation syndrome in which the axillary nerve is compressed at the quadrilateral space of the rotator cuff.