Bankart's lesion is seen at -
Post surface of glenoid labrum
Anterior surface of glenoid labrum
Anterior part of head of humerus
Post part of head of humerus
When the labrum of the shoulder joint is torn, the stability of the shoulder joint is compromised.
A Specific type of labral tear is called a Bankart's lesion.
A Bankart's lesion occurs when an individual sustains an anterior dislocation.
As the shoulder pops out of the joint, it often causes a tear of the labrum and stripping of periosteum from the anterior surface (more specifically anteroinferior) of glenoid.
In severe injuries, there may be avulsion of a piece of bone from the antero-inferior glenoid rim, called bony Bankart lesion.