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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Kinematic analysis of relative motion within the proximal carpal row.
    Author: Sennwald GR, Zdravkovic V, Jacob HA, Kern HP.
    Journal: J Hand Surg Br; 1993 Oct; 18(5):609-12. PubMed ID: 8294825.
    Abstract:
    The motions of the scaphoid and triquetrum relative to the lunate have been studied on cadaver specimens. The helical axis concept was applied. The wrist motions performed were flexion-extension and radial-ulnar deviation. The results showed increased relative motion of the scaphoid towards terminal extension, and to a lesser amount in the case of the triquetrum, towards terminal flexion. The lunate might be considered as a keystone in the proximal carpal row when wrist stability is considered. It is doubly intercalated: longitudinally and transversely. Wrist ligaments co-ordinate the positioning of the bones in the mid-range of carpal motions, and restrict further motion in extreme positions of the wrist joint.
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