2006
DOI: 10.1002/jor.20321
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Gliding characteristics between flexor tendons and surrounding tissues in the carpal tunnel: A biomechanical cadaver study

Abstract: The purpose of this study was to investigate the gliding characteristics of flexor tendons within the carpal tunnel with varied wrist positions and tendon motion styles, which may help us to understand the relationship between carpal tunnel syndrome (CTS) and repetitive hand motion. Eight fresh human cadaveric wrists and hands were used. The peak (PGR) and mean (MGR) gliding resistance of the middle finger flexor digitorum superficialis tendon were measured with the wrist in 0, 30, and 608 of flexion and exten… Show more

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Cited by 41 publications
(47 citation statements)
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“…A prior study of gliding resistance of third FDS tendons in the carpal tunnel resulted in a smallest gliding resistance of 0.084 AE 0.019 N in the wrist neutral position, while in 608 of wrist flexion, the friction increased to the maximum of 0.21 AE 0.055 N. 10 Assuming similar variability in this study, a sample of nine specimens provided 80% power to detect a difference of 0.06 N between any two of the nine testing positions.…”
Section: Sample Size and Powermentioning
confidence: 85%
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“…A prior study of gliding resistance of third FDS tendons in the carpal tunnel resulted in a smallest gliding resistance of 0.084 AE 0.019 N in the wrist neutral position, while in 608 of wrist flexion, the friction increased to the maximum of 0.21 AE 0.055 N. 10 Assuming similar variability in this study, a sample of nine specimens provided 80% power to detect a difference of 0.06 N between any two of the nine testing positions.…”
Section: Sample Size and Powermentioning
confidence: 85%
“…Whether the tested tendon was an extensor or flexor, they all showed the same trend as in our study: gliding resistance was higher when the wrist was most flexed or most extended. [10][11][12] These findings are understandable because frictional force around a pulley increases as the arc of contact increases; 10,13 the more the line of pull of the FPL is angulated by the test conditions, the greater the arc of contact and, hence, the greater the gliding resistance. Thus, we believe that the lower frictional force noted with ulnar deviation is associated with a straighter line of pull of the FPL in this position.…”
Section: Discussionmentioning
confidence: 96%
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