Hand

  1. Abductor Pollicis Brevis
    • Proximal Attachment: Trapezium and flexor retinaculum
    • Distal Attachment: Proximal phlanx of thumb
    • Innervation: Median n. (C8–T1)
    • Main Actions: ABducts thumb; helps oppose thumb
  2. Flexor Pollicis Brevis
    • Proximal Attachment: Trapezium and flexor retinaculum
    • Distal Attachment: Proximal phalanx of thumb
    • Innervation: Superficial: median n. (C8–T1); Deep: Ulnar n. (C8–T1)
    • Main Actions: Superficial: flexes thumb; Deep: ADducts thumb toward lateral border of palm
  3. Opponens Pollicis
    • Proximal Retinaculum: Trapezium and flexor retinaculum
    • Distal Attachment: 1st metacarpal
    • Innervation: Median n. (C8–T1)
    • Main Actions: Opposes thumb
Author
Anonymous
ID
146388
Card Set
Hand
Description
Hand
Updated