Force Analysis of the Thumb

  • David J. Giurintano
  • Anne M. Hollister
Part of the NATO ASI Series book series (NSSA, volume 256)


In this work, the thumb is modeled as a five-link manipulator with the links connected by hinge joints — one for each degree of freedom of the thumb.11 Previous researchers modeled the thumb as three rigid links connected by a spherical joint (carpometacarpal joint), a universal joint (metacarpophalangeal joint), and a hinge joint (interphalangeal joint). Five static positions of hand function are analyzed — key pinch, tip pinch, screwdriver hold, wide grasp, and radial opposition. These positions will be modeled for both a median nerve paralyzed (MNP) and an ulnar nerve paralyzed (UNP) hand with a tendon transfer.


Median Nerve Muscle Force Ulnar Nerve Tendon Transfer Carpometacarpal Joint 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • David J. Giurintano
    • 1
  • Anne M. Hollister
    • 1
  1. 1.Paul W. Brand Biomechanics LaboratoryGillis W. Long Hansen’s Disease CenterCarvilleUSA

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