STUDY OF THE MORPHOLOGIC AND MORPHOMETRIC PATTERNS OF TALAR ARTICULAR FACETS ON DRY ADULT CALCANEAL BONES IN SOUTH-EASTERN NIGERIAN POPULATION. Estudio de los patrones morfológicos y morfométricos de las facetas articulares talares en huesos calcaneos a

Ukoha Ukoha, Izuchukwu Feechukwu Obazie, Chioma Onuoha


Background: Calcaneum is the largest and longest tarsal bone in the foot and forms the prominence of the heel. Objective: The aim of the study was to observe the variations in the morphology and morphometry of the talar articular facets on the superior surface of human calcanei in South-Eastern Nigeria. Materials and Methods: The study was carried out on 220 adult non-pathological dry calcanei of unknown sex from bone banks of various medical colleges in South-Eastern Nigeria. Each calcaneum was examined for various patterns of articulating facets. Results: Pattern 1 was 55.4% of the studied population, Pattern II 7.7%, Pattern III 12.7% and Pattern IV 24%. The oval shape was 52.86% and 64.39% in the anterior and middle talar articular facets respectively, oval and convex was 70% in the posterior facet and the elongated shape was 63.12% in the fused anterior and middle facet with elongated oval 27.87% in subtype 2 and elongated constricted 35.25% in subtype 1. The length of the calcanei was recorded at a mean±SD of 7.10±0.70cm (left side) and 7.01±0.72cm (right side). The width was 2.77±0.38cm (left side) and 2.77±0.37cm (right side). The distance between the anterior and middle facets was 0.50±0.15cm (left side) and 0.48±0.15cm (right side); the posterior and middle facets at 0.59±0.20cm (left side) and 0.56±0.17cm (right side) and that between the anterior and posterior facets at 1.43±0.27cm (left side) and 1.42±0.29cm (right side). Conclusion: A good knowledge of the calcaneal facet pattern and shape may be useful in forensic medicine.


Antecedentes: El calcáneo es el hueso tarsiano más largo y más largo del pie y forma la prominencia del talón. El tercio medio de la superficie superior del calcáneo proporciona una faceta articular para el hueso del talud. Objetivo: El estudio busca observar las variaciones en la morfología y morfometría de las facetas articulares del talar en la superficie superior de huesos calcánicos secos de humanos adultos en la población noreste de Sudeste. Material y métodos: El estudio se llevó a cabo en 220 calcanei secos no patológicos adultos de sexo desconocido de bancos de huesos de varios colegios médicos en el sureste de Nigeria. Resultados: El patrón 1 fue el más frecuente en el presente estudio (55,4%). La forma ovalada era común en las facetas articulares anterior y media del talar (52,86% y 64,39%), oval y convexa en la faceta posterior (70%) y la forma alargada era común entre las facetas fusionada anterior y media (63,12% ) Con ovalo alargado común en el subtipo 2 (27,87%) y constreñido alargado común en el subtipo 1 (35,25%). La longitud del calcáneo se registró con una media ± DP de 7,10 ± 0,70 cm (lado izquierdo) y 7,01 ± 0,72 cm (lado derecho) y la anchura se registró a 2,77 ± 0,38 cm (lado izquierdo) y 2,77 ± 0,37 Cm (lado derecho). La distancia entre las facetas anterior y media fue de media ± DP de 0,50 ± 0,15cm (lado izquierdo) y 0,48 ± 0,15cm (lado derecho), las facetas Posterior y Media a 0,59 ± 0,20cm (lado izquierdo) y 0,56 ± 0,17cm (Lado derecho) y entre las facetas anterior y posterior a 1,43 ± 0,27 cm (lado izquierdo) y 1,42 ± 0,29 cm (lado derecho). Conclusión: Un buen conocimiento del patrón y forma de la faceta del calcáneo ayudaría a mejores opciones de tratamiento y manejo de las fracturas del calcáneo. También requiere una modificación de las técnicas quirúrgicas occidentales para adaptarse al escenario nigeriano para la osteotomía calcánea.

Palabras clave

Calcaneum, Talar articular facets, Pattern, Shape, South-Eastern Nigerian population. Calcaneum, facetas articulares de Talar, patrón, forma, población noreste de Sudeste

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