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Articular Size and Curvature as Determinants of Carpal Joint Mobility and Stability in Strepsirhine Primates by Mark W. Hamrick is a Environmental Science article available to read on EtoBox.

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Theoretical and empirical evidence suggest that limb joint surface morphology is mechanically related to joint mobility, stability, and strength. This study tests hypotheses relating aspects of joint surface shape to joint function by comparing carpal joint size and curvature among strepsirhine primates that differ significantly in their positional behaviors and hand postures: vertical clingers, active arboreal quadrupeds, and slow cautious climbers. Joints that are very mobile are expected to have increased size and curvature of male joint mating surfaces, whereas those that function primarily in weightbearing are expected to have relatively expanded female joint mating surfaces. Results show that 1) high male joint mating surface curvature is related to increased joint mobility and 2) increased female joint mating surface curvature is related to increased joint stability under loads of different orientation. Arc lengths of both male and female joint mating surfaces do not differ significantly between locomotor groups. Moreover, carpal joint curvature is not significantly correlated with either joint size (arc length) or body size, but carpal joint size and body size are highly co

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Author

Mark W. Hamrick

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0362-2525)

Published

1996

Language

EN

Field

Environmental Science (Physical Sciences)