... ll rights reserv e d 22- 13 Types of Muscle Tissue • Muscle cells – Myocytes called muscle fibers – Sarcolemma – cell membrane – Sarcoplasm – cytoplasm of cell – Myofibrils – long structures in ... e d 22- 44 Wrist, Hand, and Finger Muscles • Flexor carpi radialis and flexor carpi ulnaris – Flex and abduct the wrist • Palmaris longus – Flexes the wr...