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Types and classifications of shoulder fractures and dislocations

Shoulder fractures and dislocations are common injuries that can occur as a result of a fall, a direct blow to the shoulder, or a sudden forceful movement of the arm. These injuries can range in severity from mild to severe, and they can affect the function of the shoulder. In this article, I will discuss the different types and classifications of shoulder fractures and dislocations.

Types of Shoulder Fractures

There are three main types of shoulder fractures:

  • Humeral neck fractures: These fractures occur at the base of the humerus, where it meets the shoulder blade.
  • Greater tuberosity fractures: These fractures occur on the top of the humerus, where the rotator cuff muscles attach.
  • Glenoid rim fractures: These fractures occur on the edge of the glenoid fossa, which is the socket of the shoulder joint.
  • Scapula fractures: These fractures occur in the shoulder blade (scapula). They are less common than humerus fractures.
  • Clavicle fractures: These fractures occur in the collarbone (clavicle). They are the least common type of shoulder fracture.

Classifications of Shoulder Dislocations

There are three main types of shoulder dislocations:

  • Anterior dislocations: These are the most common type of shoulder dislocation. In an anterior dislocation, the humeral head (the ball of the joint) comes out of the glenoid fossa (the socket of the joint) in front.
  • Posterior dislocations: These are much less common than anterior dislocations. In a posterior dislocation, the humeral head comes out of the glenoid fossa in back.
  • Inferior dislocations: These are very rare type of shoulder dislocations. In an inferior dislocation, the humeral head comes out of the glenoid fossa down and below the socket.

Symptoms of Shoulder Fractures and Dislocations

The symptoms of shoulder fractures and dislocations can vary depending on the severity of the injury. However, some common symptoms include:

  • Pain in the shoulder
  • Swelling in the shoulder
  • Bruising in the shoulder
  • Loss of range of motion in the shoulder
  • Weakness in the shoulder

Classification of severity of Shoulder Fractures and Dislocations

The severity of a shoulder fracture or dislocation is determined by the type of injury, the location of the injury, and the extent of the damage to the surrounding tissues. Shoulder fractures and dislocations are often classified according to the following criteria:

  • Type: The type of injury is determined by the bone or joint that is affected.
  • Location: The location of the injury is determined by the specific area of the bone or joint that is affected.
  • Severity: The severity of the injury is determined by the extent of the damage to the bone or joint.

Conclusion

Shoulder fractures and dislocations are common injuries that can range in severity from mild to severe. Initial assessment and imaging test are crucial part of making diagnosis. The treatment of these injuries depends on the severity of the injury. However, most people with shoulder fractures and dislocations make a full recovery with proper treatment.

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