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48
Extensor carpi
ulnaris (ECR)
ulnaris (ECR)
Lateral epicondyle of humerus & posterior border of ulna to
Base of 5th
metacarpal
Extends and adducts
hand at wrist
Posterior
interosseous
n. (C7 & C8),
a branch of
the radial n
Base of 5th
metacarpal
Extends and adducts
hand at wrist
Posterior
interosseous
n. (C7 & C8),
a branch of
the radial n