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Animal Joint Behaviour under Excessive Loading

Abstract

CONTROVERSY1–3 surrounds the concept that animal joints are lubricated hydrostatically by interstitial fluid “squeezed” from the relatively compressible articular cartilage under pressure4,5. One of the chief arguments against the physiological significance of “weeping lubrication” is that the joint lubricant in life is very viscous and is experimentally capable of providing a squeeze film of great tenacity under large pressures.

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RADIN, E., PAUL, I. & POLLOCK, D. Animal Joint Behaviour under Excessive Loading. Nature 226, 554–555 (1970). https://doi.org/10.1038/226554a0

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