Scratch Collapse Test

Other Names

• Scratch-collapse Test
• Scratch Collapse Test

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Purpose

Scratch Collapse Test

Elbow scratch collapse test

• Evaluate Cubital Tunnel and Ulnar Nerve as a cause of elbow pain

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Description

• The patient is either seated standing, elbows at their side
• Patient is asked to externally rotate, abduct forearms against resistance
• Examiner then scratches along the course of the ulnar nerve at the elbow
• The resistant force is then reapplied
• Positive test:
  • Momentary loss in the ability to externally rotate against the examiner

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Pathology

• Cubital Tunnel Syndrome

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Evidence

• Unknown

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See Also

• Elbow Pain (Main)
• Elbow Anatomy (Main)
• Physical Exam Elbow

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