Lubrication regime of the contact between fat and bone in bovine tissue

Theobald, Peter ORCID: https://orcid.org/0000-0002-3227-7130, Byrne, Carlton Barrie Baylis, Oldfield, Sarah Frances, Dowson, Duncan, Benjamin, M., Dent, Colin Michael, Pugh, Neil D. ORCID: https://orcid.org/0000-0002-6721-2265 and Nokes, Leonard Derek Martin ORCID: https://orcid.org/0000-0002-9504-8028 2007. Lubrication regime of the contact between fat and bone in bovine tissue. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of engineering in medicine 221 (4) , pp. 351-356. 10.1243/09544119JEIM176

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Abstract

Fat pads are masses of encapsulated adipose tissue located throughout the human body. Whilst a number of studies describe these soft tissues anatomically little is known about their biomechanics, and surgeons may excise them arthroscopically if they hinder visual inspection of the joint or bursa. By measuring the coefficient of friction between, and performing Sommerfeld analysis of, the surfaces approximating the in vivo conjuncture, this contact has been shown to have a coefficient of friction of the order of 0.01. The system appears to be lubricated hydrodynamically, thus possibly promoting low levels of wear. It is suggested that one of the functions of fat pads associated with subtendinous bursae and synovial joints is to generate a hydrodynamic lubricating layer between the opposing surfaces.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences Engineering
Subjects:	R Medicine > R Medicine (General) T Technology > TJ Mechanical engineering and machinery
Uncontrolled Keywords:	Kager's fat pad; Biotribology; Synovial fluid; Stribeck; Coefficient of friction
Publisher:	Professional Engineering Publishing
ISSN:	0954-4119
Last Modified:	04 Nov 2023 02:06
URI:	https://orca.cardiff.ac.uk/id/eprint/2125

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