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Unformatted text preview: o lunate o triquetrum this unit is more mobile it articulates with the radius to form the radiocarpal joint • The scaphoid spans both rows • The pisiform is a sesmoid bone which enhances the mechanical advantage of the wrists most powerful flexor: o the flexor carpi ulnaris Ligaments • In most joints, ligaments restrict joint motion and support joint integrity. • In contrast, wrist ligaments: o can induce bony displacements o can transmit precise loads at a distance • Palmer ligaments are thick and strong • Dorsal ligaments are thin and fewer • There are extrinsic ligaments from the radius to the carpus and from the carpus to the metacarpals...
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- Spring '10
- Lunate bone, Carpus, lunate triquetrum, stout interosseous ligaments, wrist ligaments