The interosseous membrane of the forearm: Anatomy and function

Skahen, James R.; Palmer, Andrew K.; Werner, Frederick W.; Fortino, Maria D.

doi:10.1016/s0363-5023(97)80036-6

Cited by 160 publications

(138 citation statements)

References 10 publications

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“…While this study did not address graft angle, we believe grafts should be placed anatomically to match distal and proximal ligamentous bundles. A prior study by Skahen et al indicates that the IOL is oriented obliquely at approximately 21º from the forearm axis 3 .…”

Section: Discussionmentioning

confidence: 97%

“…examined IOL strain in 6 preserved specimens [1][2][3] . They found strain to be greatest in neutral rotation.…”

Section: Discussionmentioning

confidence: 99%

“…Strain in the IOL has been studied with load applied to the hand in fixed positions, and was found to be greater in neutral rotation than in supination or pronation 8,18 . Furthermore, in supination, the strains were higher in the distal fibers than in the proximal fibers, whereas in neutral rotation strain was relatively uniform 3,16 .…”

Section: Introductionmentioning

confidence: 85%

“…The interosseous membrane of the forearm plays an important role in forearm stability and its main structural component is the strong ligamentous band of tissue in the central third of the forearm, described as the interosseous ligament (IOL) [1][2][3] . The fibers of the IOL run obliquely from a more proximal insertion on the radius to a more distal insertion on the ulna.…”

Section: Introductionmentioning

confidence: 99%

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Passive strain distribution in the interosseous ligament of the forearm: implications for injury reconstruction

Gabriel¹,

Pfaeffle²,

Stabile³

et al. 2004

The Journal of Hand Surgery

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PURPOSE: For severe forearm injuries, such as an Essex-Lopresti lesion, functional reconstruction necessitates repair of the interosseous ligament (IOL) to restore normal load sharing between the raidus and ulna. Improperly locating or tensioning such a reconstuction can lead to abnormal load sharing and/or restriction of forearm rotation. The normal IOL strains should indicate the proper location of reconstruction grafts and the proper forearm rotation for tensioning the grafts. The objective of this study was to quantify the passive strain distribution the IOL of the forearm with passive rotation of the forearm throughout the range of motion. METHODS:The 3-D motions of the radius with respect to the ulna were measured throughout forearm rotation in ten cadaveric forearms using an instrumented spatial linkage.From the bone motions and ligament insertion site geometry from dissection and CT scanning, insertion site motions were determined and used to calculate changes in ligament fiber lengths. RESULTS:The measured strain distribution in the IOL was non-uniform and varied with forearm rotation. The overall magnitude of IOL strain was found to be greatest in supination and smallest in pronation. Also, in supination, the strains varied across fibers, with strains being greatest in the distal fibers and lowest in the proximal fibers. Strains in neutral rotation were uniform across fibers. While fibers were generally slack in pronation, proximal fibers were less slack than distal fibers.CONCLUSIONS: The results of this study indicate that fiber strains in the IOL vary from proximal to distal and depend on forearm rotation. Our data suggests that to prevent restriction of forearm rotation, all grafts should be tensioned in supination, where measured strains were generally highest. Our data also suggests that a two bundle IOL reconstruction may be necessary for proper load transfer between the radius and ulna in both supination and pronation.

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Section: Discussionmentioning

confidence: 97%

“…examined IOL strain in 6 preserved specimens [1][2][3] . They found strain to be greatest in neutral rotation.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Passive strain distribution in the interosseous ligament of the forearm: implications for injury reconstruction

Gabriel¹,

Pfaeffle²,

Stabile³

et al. 2004

The Journal of Hand Surgery

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show abstract

“…The interosseous membrane of the forearm is most taut at the neutral position of the hand [5,18,28] and it plays a role in load transfer from the radius to the ulna during axial loading activities [15,25,27]. In contrast, because the fibre direction is at a right angle to the fibres in the interosseous membrane, the oblique cord is most taut during supination and is unlikely to play a role in axial load transfer from the radius to the ulna.…”

Section: Introductionmentioning

confidence: 99%

Oblique cord (chorda obliqua) of the forearm and muscle-associated fibrous tissues at and around the elbow joint: a study of human foetal specimens

Jin

Yamamoto

et al. 2016

Folia Morphol

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Functional implications of radial diaphyseal curvature

Galtés

Jordana

Manyosa

et al. 2008

American J Phys Anthropol

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A recent study (Galtés et al.: Am J Phys Anthropol 135 (2008) 293-300) demonstrated that during pronation, pronator teres exerts a favorable force for radial lateral bending. On the basis of this finding, we hypothesized that the pattern of muscular loading exerted on the radius by this muscle might play a role as a mechanical stimulus involved in radial bowing. The current work relates the hypertrophy of the forearm muscles to the degree of lateral curvature of the radial diaphysis. The analysis is based on an original osteometrical index to estimate radial curvature, and it applies a visual reference method to grade the osteological appearance of 10 entheses of 104 radii from archaeological and contemporary samples. Using these morphological data as an indirect method to measure the association between muscular hypertrophy and bone curvature, this study reveals that the pattern of muscular loading exerted on the apex of the radial shaft by the pronator teres muscle may play an important role as a mechanical stimulus involved in diaphyseal bowing.

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The interosseous membrane of the forearm: Anatomy and function

Cited by 160 publications

References 10 publications

Passive strain distribution in the interosseous ligament of the forearm: implications for injury reconstruction

Passive strain distribution in the interosseous ligament of the forearm: implications for injury reconstruction

Oblique cord (chorda obliqua) of the forearm and muscle-associated fibrous tissues at and around the elbow joint: a study of human foetal specimens

Functional implications of radial diaphyseal curvature

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