Gliding resistance of extrasynovial and intrasynovial tendons through the A2 pulley

S Uchiyama, P C Amadio, J H Coert, L J Berglund, K N An

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The gliding ability of the flexor digitorum profundus tendon and of the palmaris longus tendon through the A2 pulley was compared, in terms of gliding resistance, with use of a system that we developed. Fourteen digits and the ipsilateral palmaris longus tendons from fourteen cadavera were used. The average gliding resistance at the interface between the palmaris longus tendon and the A2 pulley was found to be greater than that between the flexor digitorum profundus tendon and the A2 pulley under similar loading conditions. We concluded that the gliding ability of the palmaris longus tendon was inferior to that of the flexor digitorum profundus tendon in vitro.

Original languageEnglish
Pages (from-to)219-24
Number of pages6
JournalThe Journal of bone and joint surgery. American volume
Volume79
Issue number2
DOIs
Publication statusPublished - Feb 1997
Externally publishedYes

Keywords

  • Biomechanical Phenomena
  • Cadaver
  • Fingers/physiology
  • Friction
  • Humans
  • Synovial Fluid/physiology
  • Tendons/physiology
  • Tissue Adhesions/physiopathology

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