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Virchow, Hans

doi:10.1007/bf02654178

Cited by 6 publications

(4 citation statements)

References 13 publications

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“…Adams (1851Adams ( -1852 found the greatest changes in the neck and head of the talus. The same was noted in later dissection studies (Kocher 1878, Parker and Shattock 1884, Bissell 1888, Bessel-Hagen 1889, Burrell 1893, Nichols 1897, Shevkunenko 1899, Biihm 1929 and described in many other publications (Mau 1927, Kreuz 1927, Trices 1931, Virchow 1933, Debrunner 1936). Irani and Sherman in 1963 dissected eleven extremities with equinovarus deformity recovered from stillbirths or from neonatal deaths and constantly found abnormality in the anterior part of the talus.…”

Section: D) Comparison Of Changes In the Shape Of The Talus And The Joint Surfacessupporting

confidence: 73%

“…In their publications and monographs Kreuz (1927), Mau (1927), Virchow (1933), Debrunner (1936), Bernbeck (1950Bernbeck ( , 1955 and Schlicht (1963) have described in detail the bone changes of talipes equinovarus with emphasis on changes of shape in the talus and its joint surfaces to which other tarsal bones (cuboid, navicular and calcaneus) adapt themselves with lesser changes.…”

Section: A) Bone Changesmentioning

confidence: 99%

“…He observed this while examining club-feet in children. Renewed study has led to the conclusion that the most notable divergence from normal in the relation of the bones of a club-foot apart from the plantar flexed position of the talus is the more medial position of the navicular in relation to the head of the talus (Kreuz 1927, Virchow 1933, Wiley 1959, Irani and Sherman 1963, Ponseti and Smoley 1963. Debrunner in his monograph suggests that the structure of a club-foot is understandable as a twisting of the calcaneus, the cuboid, the navicular and the whole fore-foot into inversion and adduction around the talus.…”

Section: B) Patho-anatomical Comparison Of Position Of Bones In Relation To Each Othermentioning

confidence: 99%

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Talipes Equinovarus and Vertical Talus Produced Experimentally in Newborn Rabbits

Ritsilä

1969

Acta Orthopaedica Scandinavica

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Section: D) Comparison Of Changes In the Shape Of The Talus And The Joint Surfacessupporting

confidence: 73%

Section: A) Bone Changesmentioning

confidence: 99%

Section: B) Patho-anatomical Comparison Of Position Of Bones In Relation To Each Othermentioning

confidence: 99%

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Talipes Equinovarus and Vertical Talus Produced Experimentally in Newborn Rabbits

Ritsilä

1969

Acta Orthopaedica Scandinavica

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“…There is a succession of radial facets (Rf), tangential facets (Tf), and radial facets with a lock (RfL) from the anterior end to the posterior end of the presacral vertebral column (Figure 1c–f ). V‐like (Figure 1c ) and ‐like (Figure 1e ) patterns were named “radial facets” and “tangential facets” by Virchow ( 1907 ). The U‐like pattern (Figure 1f ) was named “radial facets with a lock” by Kuznetsov and Tereschenko ( 2010 ).…”

Section: Methodsmentioning

confidence: 99%

Running, jumping, hunting, and scavenging: Functional analysis of vertebral mobility and backbone properties in carnivorans

Belyaev,

Nikolskaia,

Bushuev

et al. 2023

Journal of Anatomy

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Carnivorans are well‐known for their exceptional backbone mobility, which enables them to excel in fast running and long jumping, leading to them being among the most successful predators amongst terrestrial mammals. This study presents the first large‐scale analysis of mobility throughout the presacral region of the vertebral column in carnivorans. The study covers representatives of 6 families, 24 genera and 34 species. We utilized a previously developed osteometry‐based method to calculate available range of motion, quantifying all three directions of intervertebral mobility: sagittal bending (SB), lateral bending (LB), and axial rotation (AR). We observed a strong phylogenetic signal in the structural basis of the vertebral column (vertebral and joint formulae, length proportions of the backbone modules) and an insignificant phylogenetic signal in most characteristics of intervertebral mobility. This indicates that within the existing structure (stabilization of which occurred rather early in different phylogenetic lineages), intervertebral mobility in carnivorans is quite flexible. Our findings reveal that hyenas and canids, which use their jaws to seize prey, are characterized by a noticeably elongated cervical region and significantly higher SB and LB mobility of the cervical joints compared to other carnivorans. In representatives of other carnivoran families, the cervical region is very short, but the flexibility of the neck (both SB and LB) is significantly higher than that of short‐necked odd‐toed and even‐toed ungulates. The lumbar region of the backbone in carnivorans is dorsomobile in the sagittal plane, being on average ~23° more mobile than in artiodactyls and ~38° more mobile than in perissodactyls. However, despite the general dorsomobility, only some representatives of Canidae, Felidae, and Viverridae are superior in lumbar flexibility to the most dorsomobile ungulates. The most dorsomobile artiodactyls are equal or even superior to carnivorans in their ability to engage in dorsal extension during galloping. In contrast, carnivorans are far superior to ungulates in their ability to engage ventral flexion. The cumulative SB in the lumbar region in carnivorans largely depends on the mode of running and hunting. Thus, adaptation to prolonged and enduring pursuit of prey in hyenas is accompanied by markedly reduced SB flexibility in the lumbar region. A more dorsostable run is also a characteristic of the Ursidae, and the peculiar maned wolf. Representatives of Felidae and Canidae have significantly more available SB mobility in the lumbar region. However, they fully engage it only occasionally at key moments of the hunt associated with the direct capture of the prey or when running in a straight line at maximum speed.

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Fuß und Fußgelenke

Henssge¹

1968

Handbuch Der Medizinischen Radiologie / Encyclopedia of Medical Radiology

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Cited by 6 publications

References 13 publications

Talipes Equinovarus and Vertical Talus Produced Experimentally in Newborn Rabbits

Talipes Equinovarus and Vertical Talus Produced Experimentally in Newborn Rabbits

Running, jumping, hunting, and scavenging: Functional analysis of vertebral mobility and backbone properties in carnivorans

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