Results 91 to 100 of about 872 (214)
Journal of Anatomy, EarlyView.This study investigated how variations in the shape of the astragalus affect tarsal joint behavior, using CT scans. In artiodactyls with a double‐pulley astragalus, the calcaneus shifted plantarly during plantarflexion. This suggests the movement increases hindlimb functional length and contributes to enhanced running speed.
Sei‐ichiro Takeda +3 more
wiley +1 more source
Postcranial anatomy of the Miocene hippopotamoids of Toros‐Menalla, Chad
Journal of Anatomy, EarlyView.We establish a framework for the identification of postcranial remains in hippopotamoids by describing and comparing for the first time two late Miocene hippopotamoids from Toros‐Menalla, Chad (Hexaprotodon garyam, an early hippopotamid, and Libycosaurus bahri, the last African anthracothere) with the common hippopotamus.
Lorenzo Scribano +4 more
wiley +1 more source
Functional morphology of trabecular bone in the calcaneus of African apes
Journal of Anatomy, EarlyView.Pan exhibits significantly higher calcaneal tuberosity trabecular thickness (Tb.Th) and bone volume fraction (BV/TV) than Gorilla, potentially reflecting higher triceps surae forces for vertical climbing. Both taxa have significantly higher Tb.Th and BV/TV in the anterior calcaneus; the difference is exaggerated in Gorilla, potentially reflecting ...
Christine M. Harper, Biren A. Patel
wiley +1 more source
Excision of a Middle Facet Tarsal Coalition. [PDF]
JBJS Essent Surg Tech, 2020 Li S, Myerson MS.
europepmc +1 more source
Journal of Anatomy, EarlyView.The Graphical Abstract ilustrates the different allometric pattern within different Pterosauria groups, highlighting how the allometry influences the flight and habits of Pterosauria. Abstract Pterosaurs were the first vertebrates to achieve powered flight, a result of various unique anatomical adaptations, and significant morphological diversity ...
Gabriela Menezes Cerqueira +6 more
wiley +1 more source
Acta Orthopaedica et Traumatologica TurcicaBecause of two cases, the clinical choracteristics, diagnostic difficulties and therapeutical principles of tarsal coalitions and one of their most important forms, calcaneo-navicular coalition, have been studied and discussed under the light of ...
Mehmet Cakmak +3 more
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Journal of Anatomy, EarlyView.Our study explores the plastic changes induced by captivity on the microanatomy of the talus of wild boars, revealing denser bone with tighter trabecular networks but a lower relative maximum thickness of compact bone. These plastic adaptations can serve to detect early processes of domestication in the archaeological record.
Roman Ocaña +3 more
wiley +1 more source
Growing together: Developmental integration and modularity in the human talus–calcaneus complex
Journal of Anatomy, EarlyView.This study investigates morphological integration and trabecular bone development in the human talus–calcaneus complex during postnatal ontogeny. The two bones exhibit strong integration throughout development, with differing bone volume fraction trajectories presumably reflecting their distinct functional roles during bipedal gait acquisition ...
Carla Figus +4 more
wiley +1 more source
Journal of Anatomy, EarlyView.A three‐dimensional model is used to analyze the locomotor biomechanics of the large Late Triassic archosaurian reptile Postosuchus kirkpatricki. The study finds that it is more uncertain than previously concluded whether it was quadrupedal or bipedal, and plantigrade or digitigrade, but it clearly had locomotor specializations including large hindlimb
John R. Hutchinson +6 more
wiley +1 more source