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SLAP Lesions

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Types of SLAP TearsTypes of SLAP Tears
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SLAP Lesions

Also See:
Education Section
News & Research
SLAP Repair in a Climber
SLAP Repair in Rugby Player


 

What is it?

The shoulder is a ball-and-socket type of joint and is anatomically referred to as the gleno-humeral joint, describing the two bony structures involved. The socket is the glenoid cavity, a cup-shaped piece of bone that juts out from a corner of the shoulder blade (scapula). The rim of the glenoid is formed by cartilage called the labrum. The ball that fits into the socket is the head (upper part) of the humerus (arm bone).


The upper (superior) part of the labrum anchors one of the two tendons of the biceps muscle . The feature that makes SLAP possible is the way the upper biceps tendon hooks over the head of the humerus. If the arm is forcefully bent inward and twists at the shoulder, the humeral head acts as a lever and tears the biceps tendon and labrum cartilage from the glenoid bone in a front-to-back (anterior-posterior) direction. And that is how the name SLAP is derived - Superior Labrum Anterior-Posterior or, in plain English, Upper Rim Front-Back.


 

SLAP area and SLAP Lesion - pull-off of the Biceps origin (superior labrum) from the Glenoid.


Causes and Risk Factors
Often an initial forceful movement of the labrum attached to the biceps tendon to be torn away from the bone (glenoid). This may be associated with a Dislocation of the joint, but commonly occurs in sportsmen with a pull on the arm, weightlifting, throwing injury or tackle. If the initial condition does not heal properly, pain will result and worsen over time.

The typical symptoms are pain at the top of the shoulder, clicking and pain with overhead activities. These may be confused with AC Joint problems , but athletes with SLAP tears have pain with eccentric biceps loading (such as going down in a bench press). AC Joint pain is usually felt when pressing out at the end of a shoulder or bench press.

Risk Factors: Overhead and contact sports pose a greater risk of labral tears (SLAP lesions).

Types of SLAP Tears - Depending on the type and severity of injury, the labrum will tear in different ways and degrees. These are classified as a guide to treatment. Click Here to see the Types of SLAP Tears

Treatment
Painkillers and anti-inflammatories - help control the pain

Surgery is recommended if an athlete wants to continue their sports and training - SLAP lesions are repaired by keyhole surgery (arthroscopically) through 2 or 3 small incisions. Some SLAP lesions can be simply debrided and cleaned, whilst most need repairing depending on the severity of the lesion. The associated lesions are also treated such as labrum and ligament lesions with instability.

For more details of the Surgery CLICK HERE

Prevention
Strong shoulder muscles remain the best defence against shoulder injuries. Exercises that build up these muscles around the shoulder should be done. Adequate warm-up before activity and avoidance of high-contact sports will help prevent of an instability-causing injury.

a structure (tissue) that attaches a muscle to a bone. When a tendon becomes inflamed, the condition is referred to as tendinitis or tendonitis.
a structure (tissue) that attaches a muscle to a bone. When a tendon becomes inflamed, the condition is referred to as tendinitis or tendonitis.
at the top; towards the head
Superior Labral Antero-Posterior lesion - Abbreviated term for an injury to the superior labrum of the glenoid.
at the back; behind
A tough band of connective tissue that connects two bones to each other. "Ligament" is a fitting term; it comes from the Latin "ligare" meaning "to bind or tie."
A firm, white structure that forms a ring around the glenoid cavity (the cup of the ball and socket shoulder joint). It deepens the socket, providing stability to the joint.
The labrum is a firm, white structure that forms a ring around the glenoid cavity (the cup of the ball and socket shoulder joint). It deepens the socket, providing stability to the joint.
joint is unstable; it repeatedly slips out of it's socket, recurrently dislocates or feels unstable.
bone of the upper arm - connecting the shoulder to the elbow
Remove unwanted, dead tissue. Debride comes from the French 'debrider', to remove the bridle (as from a horse).
'key-hole' surgery. Surgery performed via small incisions, using special instruments and a viewing scope..
at the front; in front


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Tags: [Labral Lesions] [View tag cloud]

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