Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries

Rock - Median Nerve

 • Supracondylar (4%), Radius & Ulnar Fractures

 • Finger Flexion

Paper - Radial Nerve

 • Supracondylar (4-6%), Humeral Shaft Fractures

 • Extension of wrist & MCP joint

Scissors - Ulnar

 • Supracondylar (2%), Radius & Ulna Fractuers

 • Small muscles of hand (finger abduction & adduction)

OK Sign - AIN (Anterior Interosseous)

 • Supracondylar (5%), Radius & Ulna Fractures (Diaphyseal)

 • Thumb flexion at IP joint & flexion of index finger at DIP joint



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