Acromio-clavicular Dislocations

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Questions and Answers

Which ligaments are torn in a grade III acromio-clavicular dislocation?

  • Coraco-clavicular ligaments only
  • Gleno-humeral ligaments
  • Coraco-clavicular and acromio-clavicular ligaments (correct)
  • Acromio-clavicular ligaments only

What is the treatment for grade I and II acromio-clavicular dislocations?

  • Non-operative with a sling (correct)
  • Surgical repositioning
  • Physical therapy
  • Immobilization for several weeks

What is the common cause of acromio-clavicular dislocations?

  • Genetic predisposition
  • Inadequate warm-up before exercise
  • A fall directly onto the shoulder (correct)
  • Repetitive overhead movements

Which grade of acromio-clavicular dislocation involves complete dislocation with superior displacement of the joint?

<p>Grade III (A)</p> Signup and view all the answers

What is the initial treatment for grade III acromio-clavicular dislocations?

<p>Non-operative (C)</p> Signup and view all the answers

What is the role of the coraco-clavicular ligaments in acromio-clavicular dislocations?

<p>They attach the lateral aspect of the clavicle to the scapula (D)</p> Signup and view all the answers

Which age group is acromio-clavicular dislocation usually not seen in?

<p>Younger children (A)</p> Signup and view all the answers

What is the mechanism of injury for acromio-clavicular dislocations?

<p>A fall directly onto the shoulder (A)</p> Signup and view all the answers

When is surgical treatment recommended for acromio-clavicular dislocations?

<p>When the clavicle is widely displaced and comes to lie in a subcutaneous position (A)</p> Signup and view all the answers

What is the role of the acromio-clavicular joint ligaments in acromio-clavicular dislocations?

<p>They can be disrupted if the coraco-clavicular ligaments are disrupted (B)</p> Signup and view all the answers

Flashcards

Grade III AC dislocation: Ligaments torn?

Coraco-clavicular and acromio-clavicular ligaments.

Treatment for Grade I & II AC dislocations?

Non-operative treatment with a sling.

Common cause of AC dislocations?

A fall directly onto the shoulder.

Grade III AC dislocation?

Complete dislocation with superior displacement of the joint.

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Initial treatment for Grade III AC?

Non-operative.

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Role of coraco-clavicular ligaments?

They attach the lateral clavicle to the scapula, preventing superior displacement.

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AC dislocation: Age group?

Younger children.

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Mechanism of injury: AC dislocation?

A fall directly onto the shoulder.

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When to consider AC surgical treatment?

When the clavicle is widely displaced and comes to lie in a subcutaneous position.

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Role of AC joint ligaments

They can be disrupted if the coraco-clavicular ligaments are disrupted.

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