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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