Constraint and material properties of the subregions of the scapholunate interosseous ligament

Richard A. Berger; Toshihiko Imeada; Lawrence Berglund; Kai Nan An

doi:10.1053/jhsu.1999.0953

Constraint and material properties of the subregions of the scapholunate interosseous ligament

Richard A. Berger, Toshihiko Imeada, Lawrence Berglund, Kai Nan An

Orthopedic Surgery

Research output: Contribution to journal › Article › peer-review

157 Scopus citations

Abstract

The material and constraint properties of the dorsal, proximal, and palmar regions of the scapholunate ligament were studied using isolated bone- ligament-bone preparations from 24 adult intact cadaver wrists. Determinations of constraint to differential rotation and translation as well as failure strength were made using a servohydraulic testing machine incorporating an additional rotatory actuator. The dorsal region of the scapholunate ligament offered the greatest constraint to differential translation, while both the dorsal and palmar regions demonstrated statistically significant combined constraints to differential rotation between the scaphoid and lunate. The greatest yield strength was found in the dorsal region (260.3 N ± 118.1 N), followed by the palmar region (117.9 N ± 21.3 N) and the proximal region (62.7 N ± 32.2 N).

Original language	English (US)
Pages (from-to)	953-962
Number of pages	10
Journal	Journal of Hand Surgery
Volume	24
Issue number	5
DOIs	https://doi.org/10.1053/jhsu.1999.0953
State	Published - Sep 1999

Keywords

Biomechanics
Carpal
Ligament
Scapholunate

ASJC Scopus subject areas

Surgery
Orthopedics and Sports Medicine

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10.1053/jhsu.1999.0953

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title = "Constraint and material properties of the subregions of the scapholunate interosseous ligament",

abstract = "The material and constraint properties of the dorsal, proximal, and palmar regions of the scapholunate ligament were studied using isolated bone- ligament-bone preparations from 24 adult intact cadaver wrists. Determinations of constraint to differential rotation and translation as well as failure strength were made using a servohydraulic testing machine incorporating an additional rotatory actuator. The dorsal region of the scapholunate ligament offered the greatest constraint to differential translation, while both the dorsal and palmar regions demonstrated statistically significant combined constraints to differential rotation between the scaphoid and lunate. The greatest yield strength was found in the dorsal region (260.3 N ± 118.1 N), followed by the palmar region (117.9 N ± 21.3 N) and the proximal region (62.7 N ± 32.2 N).",

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AU - Imeada, Toshihiko

AU - Berglund, Lawrence

AU - An, Kai Nan

PY - 1999/9

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Constraint and material properties of the subregions of the scapholunate interosseous ligament

Abstract

Keywords

ASJC Scopus subject areas

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