Spaces

Question 1

Triangular space

Answer 1

Borders: Teres minor M., Teres major M., and long head of Triceps brachii M.
Contents: Circumflex scapular A. and V.

Question 2

Quadrangular space

Answer 2

Borders: Teres minor M., Teres major M., long and lateral heads of Triceps brachii M.
Components: Posterior circumflex humeral A. and V. and Axillary N.

Question 3

Triangular interval

Answer 3

Borders: Teres major M., long and lateral heads of Triceps brachii M.
Components: Deep brachial A. and V. and Radial N.

Question 4

Anatomical snuff box

Answer 4

Lateral border: ABductor pollicis longus M. and Extensor pollicis brevis M.
Medial border: Extensor pollicis longus M.
Contents: Radial A. and Superficial radial N.

Question 5

Rotator cuff muscles

Answer 5

Supraspinatus M.
Infraspinatus M.
Teres minor M.
Subscapularis M.