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What is Insertion of extensor carpi ulnaris and explain in detail?
Ans. is 'c' i.e., Base of 5th MetacarpalExtensor carpi ulnariso Origin : Lateral epicondyle of humerus and posterior border ulnao Insertion : Base of 5th metacarpalo Nerve supply : Posterior interosseus nerveo Action : Extension (dorsiflexion) and adduction of hand.