A Bankart lesion of the shoulder is a tear of the labrum that causes instability and recurrent dislocations of the shoulder joint. This type of injury often occurs when the shoulder pops out of joint, thereby tearing the labrum. This is quite common in younger patients.
Cause & Symptoms
A Bankart tear is a specific injury to a part of the shoulder joint called the labrum. The shoulder joint is a ball and socket joint, similar to the hip; however, the socket of the shoulder joint is extremely shallow, and thus inherently unstable.
When the labrum of the shoulder joint is torn, the stability of the shoulder joint may be compromised. A specific type of labral tear is called a Bankart tear. A Bankart tear occurs when an individual sustains a shoulder dislocation. As the shoulder pops out of joint, it often tears the labrum, especially in younger patients. The tear is to part of the labrum called the inferior glenohumeral ligament. When the inferior glenohumeral ligament is torn, this is called a Bankart tear.
Typical symptoms of a Bankart tear include:
a sense of instability
aching of the shoulder
Often patients will complain that they cannot trust their shoulder, fearing it may dislocate again.
Most young patients (under the age of 30) who sustain a shoulder dislocation will sustain a Bankart tear; therefore, there is a high suspicion of this injury whenever a young patient dislocates their shoulder. On examination, patients will often have a sense their shoulder is about to dislocate if their arm is placed behind their head.
X-rays are sometimes normal, but they may show an injury to the bone called a Hill-Sachs lesion. This is a divot of bone that was injured when the shoulder dislocation occurred. An MRI may also be obtained in patients who have dislocated their shoulder. Bankart tears do not always show up well on MRI scans. When a MRI is performed with an injection of contrast solution, a Bankart tear is much more likely to be seen.
Great Lakes Physical Therapy
|The Physical Therapy team at Great Lakes Orthopedics offer a wide range of programs and specialized services to help our patients restore and maintain their physical strength, performance skills, and levels of function. Our well-trained, professional staff utilize the most progressive treatment options and techniques to ensure the best possible recoveries.|
There are two general options for the treatment of a Bankart tear.
One option is to allow the arm to rest, and the inflammation to subside with the use of a sling. This is usually followed by physical therapy to regain motion of the extremity. The potential downside of this option is that people who dislocate a shoulder once are much more likely to dislocate the shoulder again.