Nov 6, 2025 · The quadrangular space is a passageway that allows structures to travel between the axilla and posterior compartment of the upper arm. It contains the axillary nerve and posterior …

The quadrangular space is a clinically important anatomic space in the arm as it provides the anterior regions of the axilla a passageway to the posterior regions.

Dec 14, 2021 · passes through the quadrilateral space on its path to innervate the teres minor and deltoid and provide sensation to the lateral arm posterior humeral circumflex artery

Mar 23, 2023 · The quadrangular space (or quadrilateral space) is one of three spaces located in the posterior compartment of the arm, along with the lateral triangular space and medial triangular space …

Jul 30, 2023 · The quadrangular (or quadrilateral) space is named because of the shape of its anatomic boundaries. Located along the posterolateral shoulder, the quadrangular space serves as a …

Oct 30, 2023 · The axillary nerve and the posterior circumflex humoral artery (PCHA) travel posteriorly through the quadrangular space to gain access to the posterior division of the pectoral girdle where …

The quadrangular space (also known as the quadrilateral space) is an anatomic interval formed by the shaft of the humerus laterally, the long head of the triceps medially, the teres minor muscle …

May 12, 2025 · The quadrangular space is an anatomical interval located in the posterior shoulder region. It serves as a passageway for important neurovascular structures traveling from the axilla to …

Quadrilateral space syndrome (QSS) refers to a rare condition in which neural and vascular structures are entrapped in the quadrilateral space (QS). This space is created by the lateral head of the …

The Quadrangular space is a anatomical area in the posterior axilla which transmits the axillary nerve and posterior circumflex artery into the posterior arm and can sometimes cause pathology