Spaces Of The Posterior Shoulder

Question 1

What are the three spaces of the posterior shoulder?

Answer 1

Triangular, quadrangular and triangular interval spaces

Question 2

What are the borders of the triangular space?

Answer 2

Teres minor and major

Long head of triceps brachii

Question 3

What are the contents of the triangular space?

Answer 3

Circumflex scapular A and vein

Question 4

What are the borders of the quadrangular space?

Answer 4

Teres minor and major

Long and lateral heads of triceps brachii

Question 5

What are the contents of the quadrangular space?

Answer 5

Posterior circumflex A and vein

Axillary N

Question 6

What are the borders of the triangular interval space?

Answer 6

Teres major

Long and lateral heads of the triceps brachiii

Question 7

What are the contents of the triangular interval space?

Answer 7

Deep brachial A and vein

Radial N