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PubMed Original Article Evidence Unclassified

Complete fourth metatarsal and arches in the foot of Australopithecus afarensis.

Science (New York, N.Y.) | 2011 | Ward CV, Kimbel WH, Johanson DC

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Source
PubMed
Type
Original Article
Evidence
Unclassified

Abstract

[Indexed for MEDLINE] 14. Acta Anat (Basel). 1984;119(3):161-4. doi: 10.1159/000145879. Structural components of the arch of the foot analyzed by radiogrammetric and multivariate statistical methods. Takai S. The structural component of the arches of the human foot were analyzed by a radiogrammetric method and multivariate statistical procedures. The right feet of 101 male university students were radiographed in the standing position from a lateromedial direction. 6 joint heights were measured directly on the radiographs. Factor analysis with varimax rotation showed 3 basic underlying factors for arch heights: (1) calcaneonavicular joint, cuneonavicular joint and first tarsometatarsal joint; (2) calcaneocuboidal joint and 5th tarsometatarsal joint and (3) subtalar joint. The first factor represented the medial longitudinal arch height, the second was associated with the lateral longitudinal arch height. No transverse factor indicating tarsometatarsal or transverse tarsal joints was found. Cluster analysis showed a similar configuration to that in factor analysis. Analysis suggested a key role of the subtalar joint which integrated both the medial and lateral longitudinal arch heights. DOI: 10.1159/000145879

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