<prompt> Muscle that can extend the middle distal phalanx of the index finger include all exceptThe first dorsal inter interosseousThe first lumbricalThe second palmar interosseousExtensor carpi radialis longus  <response>: Extensor carpi radialis Origin: lower 13 rd of lateral supracondylar ridge of humerus Inseion: posterior surface of base of second metacarpal bone. Action: extends and abducts hand at the wrist joint. 