Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of orthopaedic surgery & traumatology 4 (1994), S. 143-148 
    ISSN: 1432-1068
    Keywords: Ligament croisé antérieur ; Résultats cliniques ; Contrôle de qualité ; Mesure instrumentale de la laxité ; Evaluation isocinétique de la fonction musculaire ; Anterior cruciate ligament ; Clinical scores ; Quality control ; Instrumented laxity testing ; Isokinetic muscle force
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary An objective functional evaluation after acute repair of unilateral anterior cruciate ligament (ACL) rupture was performed in a homogeneous group of 37 patients at a mean of 44.4 months after trauma. A patient questionnaire, standardized clinical testing, instrumented laxity testing and concentric isokinetic muscle torque evaluation were included. Instrumented laxity testing proved to be closely correlated with the pivot shift test (r=0.54, p〈0.001) and the Lachman test (r=0.73, p〈0.001), but offered a far better resolution. The degree of anterior instability as measured could be shown to correlate negatively with the isokinetic flexor muscle torque (r=−0.61, p〈0.001) and the hamstring/quadriceps ratio (r=−0.44, p〈0.05). The intraindividual differences of instrumented laxity testing revealed that a significant degree of instability (〉2 mm) was present in 49% of the patients contrasting with the good result in the Lysholm score (mean=84.5 pts.) and a 74% rate of satisfied patients. Instrumented laxity testing makes a significant contribution to objective evaluation of functional results after ACL repair.
    Notes: Résumé Une évaluation fonctionnelle objective a été effectuée après réparation unilatérale de rupture du ligament croisé antéro-externe (LCAE) dans une série homogène de 37 patients, avec un recul moyen de 44,4 mois par rapport au traumatisme. Un questionnaire, un contrôle clinique standardisé, des tests instrumentaux de laxité ligamentaire ainsi qu'une évaluation du moment de torsion musculaire isokinétique concentrique furent utilisés. Le contrôle instrumental de la laxité ligamentaire peut être considéré comme très proche du test d'instabilité du pivot (r = 0,54, p 〈 0,001) et le signe de Lachman (r = 0,73, p 〈 0,001) mais est plus rapidement décisif. Le degré d'instabilité antérieure mesuré pourrait être considéré comme corrélé négativement avec le moment de torsion musculaire isokinétique concentrique (r = 0,61, p 〈 0,001) et le rapport ischio-jambiers/quadriceps (r = 0,44, p 〈 0,005). Les différences entre les sujets des tests instrumentaux de laxité ligamentaire révèlèrent qu'un degré significatif d'instabilité (〉 2 mm) existait chez 49 % des patients, ce qui contraste avec les bons résultats au score de Lysholm (moyenne : 84,5 points) et une proportion de 74 % de patients satisfaits. Ainsi le test instrumental de laxité ligamentaire apporte-t-il une contribution importante à l'évaluation fonctionnelle post-opératoire des ligamentoplasties du LCAE.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 71 (1993), S. 214-220 
    ISSN: 1432-1440
    Keywords: Gait mechanism ; Torque in human gait ; Ground reaction forces ; Gait analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Transversal torque between the stance leg and the ground was measured in 169 test persons with normal gait (91 women, 78 men; ages 15–79 years) using three-dimensional force plates. Taking the average of six to ten single steps produces reproducible person- and group-specific data. This permits the isolation and study of individual solutions to specific problems of locomotion, so-called gait mechanisms. The relatively great torque during the double-stance phase is caused mainly by the medially directed, short-term impact peak at heel strike, with the stride length as lever arm. Double-stance torque is therefore determined by motion dynamics and does not help in understanding individual gait mechanisms. Torque measured during the single-stance phase is, in comparison, rather small and is interindividually relatively variable. Experimentally measured torque is considered in terms of various hypotheses concerning the creation of torque in the human gait. Men obviously tend, for reasons of equilibrium and stability, to compensate the various torques. Better than the more known vertical, sagittal, and frontal force components, the remaining torque represents the individual problem solution and therefore permits the study of specific gait mechanisms, both physiological and pathological. Using the characteristic gait of patients with hemiplegia as an example, it is shown that pathological torque observed systematically on the nonaffected side in such patients is a quantitative measure of the trunk rotation necessary to move the plegic side forward. Measurement of this torque therefore permits precise determination of the degree of damage, as well as quantitative control and objective documentation of the rehabilitation progress.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...