<prompt> Which muscle originates from tendon of other muscle?Palmaris longusFCRLumbricalsAdductor pollicis  <response>: -Origin of the following muscles are as follows:-Lumbricals 1 and 2 from lateral side of lateral 2 tendons of flexor digitorum profundus.Lumbricals 3 and 4 from adjacent sides of medial 3 tendons of flexor digitorum profundus.-Palmaris longus and flexor carpi radialis from medial epicondyle of humerus by a common flexor origin.-Adductor pollicis has two heads of origin: the oblique head arises from anterior aspects of capitate bone and bases of 2nd and 3rd metacarpal bones. The transverse head arises from ridge on distal 23 of anerior surface of shaft of 3rd metacarpal.-reference: Textbook of anatomy, Upper limb, and thorax, Vishram Singh, 2nd edition, page no.144,107,108 