Loss of flexion in the interphalangeal joint of thumb in supracondylar fracture is due to involvement of which nerve
Correct Answer: Anterior interosseous
Description: Flexion at IP joint of thumbs - by flexor pollicis longus Nerves that may be involved in supracondylar humerus : 1. Median nerve - most common Paial injury occurs usually. i.e. fibers involved in forming AIN branch. 2. Radial nerve - less often 3. Ulnar nerve - least commonly involved. AIN supply: Flexor pollicis longus * Lateral 1/2 of flexor digitorum profundus * Pronator quadratus
Category:
Anatomy
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