SLAP Tears

The shoulder joint is a ball and socket joint. A 'ball' at the top of the upper arm bone (the humerus) fits neatly into a 'socket', called the glenoid, which is part of the shoulder blade (scapula). The term SLAP (superior –labrum anterior-posterior) lesion or SLAP tear refers to an injury of the superior labrum of the shoulder. The labrum is a ring of fibrous cartilage surrounding the glenoid for stabilization of the shoulder joint. The biceps tendon attaches inside the shoulder joint at the superior labrum of the shoulder joint. The biceps tendon is a long cord-like structure which attaches the biceps muscle to the shoulder and helps to stabilize the joint.

What are the causes of SLAP tears?

The most common causes include falling on an outstretched arm, repetitive overhead actions such as throwing, and lifting a heavy object. Overhead and contact sports may put you at a greater risk of developing SLAP tears.

What are the symptoms of SLAP tears?

The most common symptom is pain at the top of the shoulder joint. In addition, most often with activities such as throwing, a catching sensation and pain may occur.

How are SLAP tears diagnosed?

Diagnosis is made based on the symptoms and a physical examination. A regular MRI scan may not show up a SLAP tear and therefore an MRI with a contrast dye injected into the shoulder is ordered. The contrast dye helps to highlight SLAP tears.

What are the treatment options?

Your doctor may recommend anti- inflammatory medications to control pain. In athletes who want to continue their sports, arthroscopic surgery of the shoulder may be recommended. Depending on the severity of the lesion, SLAP tears may simply require debridement or some may need to be repaired.  A SLAP repair can be done using arthroscopic techniques that require only two or three small incisions.
Regular exercises must be performed to make the shoulder muscles strong. Adequate warm-up exercises before activities and avoiding high contact sports can help prevent injuries that cause instability.

 

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