Article (Scientific journals)
An equine joint friction test model using a cartilage-on-cartilage arrangement.
Noble, Prisca; Collin, Bernard; Lecomte-Beckers, Jacqueline et al.
2010In Veterinary Journal
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Keywords :
equine joint friction test; cartilage-on-cartilage arrangement; frictional response; Osteochondral plugs; LiMaRC - Liège Materials Research Center
Abstract :
[en] This study describes an equine joint friction test using a cartilage-on-cartilage arrangement and investigates the influence of age and load on the frictional response. Osteochondral plugs were extracted from equine shoulder joints (2-5 years, n=12; 10-14 years, n=15), and mounted in a pin-on-disc tribometer. The frictional response was then measured under constant conditions (2N; 20 degrees C; 5 mm/s), and with increasing load (2N, 5N, 10N). In all experiments, the friction coefficient of young cartilage was significantly (P<0.001) smaller than obtained from old cartilage, while the application of a greater load resulted in a significant (P<0.001) decrease in friction coefficient only in old cartilage. It was concluded that cartilage ageing was responsible for an increase in friction coefficient under these experimental conditions. Moreover, where young cartilage lubrication remained stable, cartilage ageing may have been responsible for lubrication regime change. The cartilage-on-cartilage model could be used to better understand lubrication regime disturbances in healthy and diseased equine joints, and to test the efficacy of various bio-lubricant treatments.
Disciplines :
Materials science & engineering
Veterinary medicine & animal health
Author, co-author :
Noble, Prisca ;  Université de Liège - ULiège > Département de morphologie et pathologie > Anatomie
Collin, Bernard ;  Université de Liège - ULiège > Département de morphologie et pathologie > Département de morphologie et pathologie
Lecomte-Beckers, Jacqueline ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Magnée, Adrien ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Denoix, J. M.;  CIRALE, Centre d’Imagerie et de Recherche sur les Affections Locomotrices Équines
Serteyn, Didier  ;  Université de Liège - ULiège > Département clinique des animaux de compagnie et des équidés > Anesthésiologie gén. et pathologie chirurg. des grds animaux
Language :
English
Title :
An equine joint friction test model using a cartilage-on-cartilage arrangement.
Publication date :
February 2010
Journal title :
Veterinary Journal
ISSN :
1090-0233
eISSN :
1532-2971
Publisher :
Elsevier
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 August 2009

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