Spaces

Question 1

Contents of the axilla

Answer 1

Axillary artery and branches
Axillary vein and tributaries
Axillary lymph nodes and vessels
Cords and terminal nerves of the brachial plexus

Question 2

Boundaries of the cubical fossa

Answer 2

Superior: “line” between medial and lateral epicondyles
Medial: pronator Teres
Lateral: brachioradialis

Question 3

Contents of cubical fossa

Answer 3

Biceps tendon
Brachial artery and vein
Proximal radial and ulnar arteries and veins
Median and radial nerves
Cutaneous branch of musculocutaneous (lateral antebrachial cutaneous)

Question 4

Boundaries of the quadrangular space

Answer 4

Superior: Teres major
Inferior: Teres minor
Medial: long head of triceps brachii
Lateral: humerus

Question 5

Contents of quadrangular space

Answer 5

Axillary nerve

Posterior circumflex numeral artery

Question 6

Boundaries of the triangular space

Answer 6

Superior: Teres minor
Inferior: Teres major
Medial: long head of triceps brachii

Question 7

Contents of triangular space

Answer 7

Circumflex scapular artery

Question 8

Boundaries of triceps hiatus

Answer 8

Inferior: Teres major
Medial: humerus
Lateral: long head of triceps brachii

Question 9

Contents of triceps hiatus

Answer 9

Deep brachial artery

Radial nerve

Question 10

Borders of the axilla

Answer 10

Anterior: Pectoralis major and minor
Posterior: subscapularis, latissimus dorsi, Teres major
Medial: serratus anterior
Lateral: humerus
Apex: cervical axillary canal
Base: skin and fascia between the upper arm and lateral wall ARMPIT