AC Joint Test Item Cluster | Rationale & Interpretation

What is the significance of having all three tests in the AC joint test cluster positive?

• It shows a 74% chance of a ligament sprain.

• It means the patient has no AC joint issues.

• It suggests a 25% chance of a labral tear.

• It indicates a 97% chance of an AC joint pathology.

What is another name for the cross body abduction test?

• Scarf test

• O'Brien's test

• Labral tear test

• Horizontal adduction test

In the cross body abduction test, where should the pain be located for a positive result?

• In the elbow

• Atop the shoulder near the AC joint

• On the opposite shoulder

• Deep within the shoulder joint

What is the main action the patient performs in the AC resisted extension test?

• Vertical adduction

• Elbow flexion

• Horizontal abduction

• Shoulder extension

What is another name for the active compression test?

• Horizontal adduction test

• O'Brien's test

• Labral tear test

• Scarf test

In the active compression test, what does pain in part one but not in part two suggest?

• No pathology

• A labral tear

• A superficial AC joint injury

• A deep shoulder joint issue

What is the specificity range for the active compression test when suspecting a labral tear?

• 41% to 100%

• 73% to 98%

• 95% to 97%

• 72% to 85%