Relation between knee motion and ligament length patterns
Deutscher übersetzter Titel: | Beziehung zwischen der Kniegelenkbewegung und Mustern der Bandlaenge |
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Autor: | Rovick, J.S.; Reuben, J.D.; Schrager, R.J.; Walker, P.S. |
Erschienen in: | Clinical biomechanics |
Veröffentlicht: | 6 (1991), 4, S. 213-220, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource Elektronische Ressource (online) |
Sprache: | Englisch |
ISSN: | 0268-0033, 1879-1271 |
DOI: | 10.1016/0268-0033(91)90049-V |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199402053568 |
Quelle: | BISp |
Abstract
Fifteen knee specimens were tested in a 6 degrees-of-freedom test machine using quadriceps force to drive continuous flexion-extension motion. Ten of the knees were again tested following isolated transection of the anterior cruciate ligament. From transducer outputs, three-dimensional motion was determined. Using biplanar radiography and bone sectioning, ligament insertion coordinates and joint surface geometry were determined and used to calculate ligament length ratios as a function of knee flexion. Consistent motion patterns were seen in all knees. The prominent aspects of motion were a 15 degrees internal rotation and an 8.6 mm anterior displacement of the tibia with flexion from 0 to 120 degrees. Anterior cruciate transection resulted in abnormal and excessive anterior-posterior displacement in early flexion, but a return to normal in late flexion. The results indicated that under our test conditions the boundaries of anterior-posterior motion were determined primarily by the cruciate ligaments, but tibial rotation was not guided by the cruciate ligaments. Verf.-Referat