Shoulder


 

Shoulder

Normal Anatomy of the Shoulder Joint

The shoulder is the most flexible joint in the body making it the most susceptible to instability and injury. It is a ‘ball-and-socket’ joint. A ‘ball’ at the top of the upper arm bone, humerus, fits neatly into a ‘socket’, called the glenoid, which is part of the shoulder blade, scapula.

 

Shoulder Instability

Shoulder instability is a chronic condition that causes frequent dislocations of the shoulder joint. A dislocation occurs when the end of the humerus (the ball portion) partially or completely dislocates from the glenoid (the socket portion) of the shoulder. A partial dislocation is referred as subluxation, whereas the complete separation is referred as dislocation.

 

Rotator Cuff Tear

Rotator cuff is the group of tendons in the shoulder joint providing support and enabling wider range of motion. Major injury to these tendons may result in tear of these tendons and the condition is called as rotator cuff tear. It is one of the most common causes of shoulder pain in middle aged adults and older individuals.

 

Shoulder Impingement

Shoulder impingement is the condition of inflammation of the tendons of the shoulder joint. It is one of the most common causes of pain in the adult shoulder. The shoulder is a ‘ball-and-socket’ joint.

 

Clavicle Fracture

Clavicle fracture, also called broken collarbone is a very common sports injury seen in people who are involved in contact sports such as football and martial arts as well as impact sports such as motor racing.

 

SLAP Tear

Your shoulder joint is a ball and socket joint made up of the upper arm bone, the shoulder blade and the collarbone. The head of the upper arm bone fits into the socket of the shoulder joint known as the glenoid cavity.

 

Shoulder Arthroscopy

Arthroscopy is a minimally invasive diagnostic and surgical procedure performed for joint problems. Shoulder arthroscopy is performed using a pencil-sized instrument called an Arthroscope. The arthroscope consists of a light system and camera to project images to a computer screen for your surgeon to view the surgical site. Arthroscopy is used to treat disease conditions and injuries involving the bones, cartilage, tendons, ligaments, and muscles of the shoulder joint.

 

Shoulder Stabilization

The shoulder consists of 3 bones (humerus, scapula and clavicle), which together form a ball and socket joint and help in the flexible movement of the shoulder. The shoulder is supported and stabilized by strong muscles, ligaments and a rim of cartilage tissue called the labrum.

 

Rotator Cuff Repair

Rotator cuff is the group of tendons in the shoulder joint providing support and enabling wider range of motion. Major injury to these tendons may result in tear of these tendons and the condition is called as rotator cuff tear.

 

Treatment of Clavicle fracture

Clavicle fracture, also called broken collarbone is a very common sports injury seen in people who are involved in contact sports such as football and martial arts as well as impact sports such as motor racing.

 

Shoulder Joint Replacement

The shoulder is a highly movable body joint that allows various movements of the arm. It is a ball and socket joint, where the head of the humerus (upper arm bone) articulates with the socket of the scapula (shoulder blade) called the glenoid.

Click on the topics below to find out more from the orthopaedic connection website of American Academy of Orthopaedic Surgeons.

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