<prompt> Which muscle causes adduction of wrist joint?Flexor carpi radialisFlexor carpi ulnarisFlexor pollicis longusFlexor digitorum profundus  <response>: Flexor carpi ulnaris Humeral head Ulnar head origin Medial epicondyle of humerus Medial aspect of olecranon process and posterior border of ulna inseion Pisiform bone , inseion prolonged to hook of hamate and base of fifth metacarpal bone nerve supply Ulnar nerve Actions Flexes and adducts the hand at the wrist. Reference page no 107,108- BD chauriasia- upper limb thorax 