The glenohumeral joint.

Question 1

What are the 3 layers of the glenohumeral joint?

Answer 1

The glenoid labrum, the synuvial membrane, and the fibrous membrane.

Question 2

What is the glenoid labrum continuous with superiorly?

Answer 2

The long head of biceps brachii.

Question 3

What is the glenoid labrum continuous with superiorly?

Answer 3

The long head of biceps brachii.

Question 4

Where does the synuvial membrane penetrate the fibrous membrane?

Answer 4

1) At the lower part where it encloses the long head of biceps brachii and 2) at the subtendinous bursae for subscapularis muscle.

Question 5

What is another prominent ligament of the glenohumeral joint?

Answer 5

The transverse tubercle ligament that encloses the tendon of biceps brachii (traps it since it goes along the lesser and greater tubercle).

Question 6

What is the fibrous membrane’s attachment characteristics?

Answer 6

It is lower on the medial to accomodate for abduction.

Question 7

What is the thickening of the glenohumeral fibrous membrane?

Answer 7

The superior, middle, and inferior glenohumeral ligament and the coracohumeral ligament.