Special Areas of the UL Flashcards
What are the five special areas of the upper limb?
Triangle of auscultation, triangular space, quadrangular space, cubital fossa and anatomical snuffbox
Between which ribs is the triangle of auscultation?
6 and 7
What are the boundaries of the triangle of auscultation?
Superomedial: trapezius m. Lateral: medial border of the scapula. Inferior: latissimus dorsi m.
Lateral boundary- Triangular space
Long head of the triceps brachii m.
Superior boundary- Triangular space
Teres minor m.
Inferior boundary- Triangular space
Teres major m.
Contents- Triangular space
Circumflex scapular vessels
Lateral boundary- Quadrangular space
Shaft of the humerus
Medial boundary- Quadrangular space
Long head of the triceps brachii m.
Superior boundary- Quadrangular space
Teres minor m.
Inferior boundary- Quadrangular space
Teres major m.
Contents- Quadrangular space
Posterior circumflex vessels, axillary n.
Medial boundary- Cubital fossa
Pronator teres m.
Lateral boundary- Cubital fossa
Brachioradialis m.
Floor- Cubital fossa
Brachialis and supinator mm.
Contents- Cubital fossa
Biceps brachii tendon, brachial artery, median nerve
Where is the median cubital vein in relation to the cubital fossa?
Superficial to it
Anterior boundary- Anatomical snuffbox
Tendons of abductor pollicis longus, extensor pollicis brevis mm.
Posterior boundary- Anatomical snuffbox
Tendon of extensor pollicis longus m.
Content- Anatomical snuffbox
Radial a.
