<prompt> Abduction of Hand is caused byFCRFCUFDPFDS  <response>: The flexor carpi radialis muscle originates from the medial epicondlyle of humerus and inses into the bases of 2nd and 3rd metacarpal bones. Its action is abduction of hand at the wrist joint. BD CHAURASIA 7th edition ,page 108 table 9.2 