Anatomy General a389ceb0 Which of the following is not supplied by C8 T1 - A Abductor pollicis brevis B Extensor indicis C Palmar interossei D 3rd & 4th lumbricals High-Yield Explanation Small muscles of hand include- Thenar, Hypothenar, interossei and lumbricals. They are supplied by C8-T1. Extensor indicis is supplied by C7, C8