Q.

All of the following are true of EPL except

A. It inserts at the base of the proximal phalanx of the thumb
B. It forms the ulnar side of the anatomical snuff box
C. Its nerve supply is from the radial nerve
D. Its origin is from the posterior surface of the ulna and adjacent IO membrane
E. Its tendon passes beneath the extensor retinaculum of the wrist
Answer» A. It inserts at the base of the proximal phalanx of the thumb
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