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.
What are the contents of quadrangular space?
Three muscles directly comprise the quadrangular space; the teres minor, teres major, and long head of the triceps brachii. The teres minor originates on the lateral border of the scapula, inserts on the greater tubercle of the humerus, and functions with glenohumeral joint external rotation.
What is in the triangular space?
Contents. It contains the scapular circumflex vessels. Unlike the quadrangular space or the triangular interval, no major nerve passes through the triangular space.
What nerve is in the quadrangular space?
The axillary nerve and PHCA reside in the quadrilateral space. The axillary nerve innervates the teres minor and deltoid muscles, which are primarily responsible for abduction and external rotation.
How do you remember the quadrangular space?
Triangular space, Quadrangular Space- Scapula [Mnemonic]
Triangular Space – TS (aka– Medial or Upper Triangular space, Foramen omotricipitale),Quadrangular Space – QS (aka– Quadrilateral space of Velpeau, Foramen humerotricipitale),Triangular Interval – TI (aka– Lateral or Lower Triangular space, Triceps hiatus).
What muscles border the quadrangular space?
Located in the axilla, the quadrangular space is bordered superiorly by subscapularis muscle (by teres minor muscle when viewed posteriorly), inferiorly by teres major muscle, laterally by the surgical neck of the humerus and medially by the long head of triceps brachii muscle.
Where is the quadrangular space?
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.
What causes quadrilateral space syndrome?
Quadrilateral space syndrome usually happens from overuse, especially with overhead sports like throwing and swimming. The syndrome can also be caused by an injury, like a shoulder dislocation.
What is quadrangular space syndrome?
Quadrangular space syndrome (QSS) or Quadrilateral space syndrome is a compressive neuropathy of the axillary nerve (AN) and/or the posterior circumflex humeral artery (PCHA) in the shoulder. The most frequent cause is a fibrous band(s) in the quadrilateral wpace (QS) and/or surrounding muscle hypertrophy.
Recommended Posts
qual a melhor marca de faca confira isto melhores facas brasileiras
qual o nome da musica do desafio em toquio confira isto musica velozes e furiosos desafio em toquio 2
como fazer capas para destaque instagram confira isto como fazer capas para destaque instagram download
por que o felipao deixou o cruzeiro confira isto felipao saiu do cruzeiro
who plays sofia in greys anatomy confira isto sofia greys anatomy
quanto tempo para colher lentilha confira isto pe de lentilha
como era a maquiagem dos anos 50 confira isto maquiagem anos 50
como saber quem esta inscrito no meu canal do youtube pelo celular confira isto como ver quem sao meus inscritos no youtube
