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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?

Grade III (A) Signup and view all the answers

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

Non-operative (C) Signup and view all the answers

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

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

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

Younger children (A) Signup and view all the answers

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

A fall directly onto the shoulder (A) Signup and view all the answers

When is surgical treatment recommended for acromio-clavicular dislocations?

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

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

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