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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 Signup and view all the answers

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

Non-operative 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 Signup and view all the answers

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

Younger children Signup and view all the answers

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

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