Loading on the Scapho-Trapezium-Trapezoid joint during gripping

M.K. Gislason, B.W. Stansfield, D.H. Nash

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Abstract

The scapho-trapezium-trapezoid (STT) joint is believed to be highly vulnerable to wear and has been identified clinically as a high risk joint in arthritic patients. A theoretical model [1] of the load transfer through the wrist during gripping, suggests high activity in the STT ligaments in order to stabilize the carpus. During gripping complicated loading patterns are seen in the carpal bones and various intercarpal joints comprising the wrist joint. The aim was to investigate contact stresses at the STT joint in comparison to those occuring at the radiocarpal joint. Finite element model was created of the whole wrist joint with physiological loading conditions applied.
Original languageEnglish
Publication statusPublished - 5 Jul 2009
Event22nd Congress of the International Society of Biomechanics - Cape Town, South Africa
Duration: 5 Jul 20099 Jul 2009

Conference

Conference22nd Congress of the International Society of Biomechanics
CityCape Town, South Africa
Period5/07/099/07/09

Keywords

  • scapho-trapezium-trapezoid joint
  • wrist joints
  • biomechanics
  • biomechanical engineering

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    Gislason, M. K., Stansfield, B. W., & Nash, D. H. (2009). Loading on the Scapho-Trapezium-Trapezoid joint during gripping. Paper presented at 22nd Congress of the International Society of Biomechanics, Cape Town, South Africa, .