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Joint Capsule Collagen. Analysis by the Study of Intra-articular Pressure during Joint Distension. Measurements in the Knees of Control Subjects and Patients with Rheumatoid Arthritis and Ehlers-Danlos Syndrome

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source: Annals of the Rheumatic Diseases

year: 1971

authors: Steer G, Jayson MI, Dixon AS, Beighton P


The joint capsule contains both elastic fibres and collagen tissue (Gardner, 1965). In the normal joint the collagen is relaxed and the stiffness of the tissues is provided by the elastic tissues. When the capsule is stretched the collagen fibres become reorientated, start to bear some of the strain, and produce a considerable increase in the capsular stiffness. By a computerized analysis of the pressures measured during progressive joint distension it has been possible to obtain indices of the joint capsule collagen content and structure.

organization: Royal National Hospital for Rheumatic Diseases; University of Bristol; University of the Witwatersrand

DOI: 10.1136/ard.30.5.481

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