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## Abstract To evaluate possible relationships between body size and articular architecture, femoral head radius and subchondral plate thickness were assessed in skeletal hip joints from normal primates. The relative “contact pressure” on bearing surfaces was estimated from the measured radius and the normal body mass in species ranging from __Cebuella pygmaea__ (0.1 kg) to __Gorilla gorilla__ (170 kg). Subchondral plate thickness was evaluated by computed tomography in species ranging from __Cercopithecus neglectus__ (4.0 kg) to __Gorilla gorilla__. Neither the “contact pressure” nor the thickness of the femoral subchondral plate varied substantially among species. In contrast, the acetabular subchondral plate thickened significantly (p = 0.01) as body size increased. This finding is interpreted as an osseous response to tensile acetabular stress, which can be expected to increase directly with the radius of curvature.

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Author

Peter Dewire; Peter A. Simkin

Publisher

Elsevier Science; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0736-0266)

Published

1996

Language

EN

Field

Medicine (Health Sciences)