2012
DOI: 10.1016/j.bone.2012.03.009
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Functional characterization of normal and degraded bovine meniscus: Rate-dependent indentation and friction studies

Abstract: The menisci are known to play important roles in normal joint function and the development of diseases such as osteoarthritis. However, our understanding of meniscus’ load bearing and lubrication properties at the tissue level remains limited. The objective of this investigation was to characterize the site- and rate-dependency of the compressive and frictional responses of the meniscus under a spherical contact load. Using a custom testing device, indentation tests with rates of 1, 10, 25, 50, and 100 μm/s we… Show more

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Cited by 28 publications
(25 citation statements)
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References 31 publications
(55 reference statements)
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“…When these results were compared to values published in the literature, there was mixed agreement. (Baro et al, 2012) observed a similar coefficient of friction of ~0.04 in the medial meniscus. Comparable friction coefficients for the femoral condyles have been published: (Basalo et al, 2007) reported a μ 120 s of 0.035, (Caligaris and Ateshian, 2008) determined an initial μ eff of 0.01, and a kinetic friction coefficient of ~0.08 was described by (Waller et al, 2013).…”
Section: Discussionmentioning
confidence: 76%
“…When these results were compared to values published in the literature, there was mixed agreement. (Baro et al, 2012) observed a similar coefficient of friction of ~0.04 in the medial meniscus. Comparable friction coefficients for the femoral condyles have been published: (Basalo et al, 2007) reported a μ 120 s of 0.035, (Caligaris and Ateshian, 2008) determined an initial μ eff of 0.01, and a kinetic friction coefficient of ~0.08 was described by (Waller et al, 2013).…”
Section: Discussionmentioning
confidence: 76%
“…However, their study included the approximately 100 mm thick meniscal membrane which has shown to be significantly stiffer in isolation than specimens from the surface layers with the membrane (Whipple et al, 1985). Interestingly, Baro et al (2012) also observed an effect from the membrane when calculating the effective contact modulus. The mean value for the femoral layer was significantly higher than the deep and tibial layers and the mean tibial layer value was slightly higher than the deep layer (Baro et al, 2012).…”
Section: Discussionmentioning
confidence: 88%
“…Interestingly, Baro et al (2012) also observed an effect from the membrane when calculating the effective contact modulus. The mean value for the femoral layer was significantly higher than the deep and tibial layers and the mean tibial layer value was slightly higher than the deep layer (Baro et al, 2012).…”
Section: Discussionmentioning
confidence: 88%
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“…In the past decades, the mechanical properties of menisci in human and animals have been extensively explored via both experimental (Baro et al, 2012; Fithian et al, 1990; Proctor et al, 1989; Sweigart and Athanasiou, 2005) and theoretical (Spilker et al, 1992) approaches. These studies have established a knowledge base of meniscus biomechanics across species.…”
Section: Introductionmentioning
confidence: 99%