The calcaneal angle in Nigerians. Relationship to sex, age, and side of the body

Didia, BC; Jn, Dimkpa

doi:10.7547/87507315-89-9-472

Cited by 16 publications

(22 citation statements)

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“…The range of variation in calcaneal angle have never been reported to exceed 15 0 , while the lowest and highest reported BA has been 25 0 and40 0 respectively, this is similar to finding among population of close similarity. 5,8. There was no significant difference in BA between this study and the study among Nigerian at p>0.05, however the relationship between the age and BA was reported for the first time 9 .…”

Section: Discussioncontrasting

confidence: 71%

Radio-Anatomical Study of Bohler’s (Calcaneal) Angle of Southern Nigerians

Tarimobo-Otobo

Michael²

2017

IJFMI

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Introduction: The Bohler’s angle(BA) is the angle between two lines tangent to the calcaneus on the lateral radiograph of an ankle. These lines are drawn tangent to the anterior and posterior aspects of the superior calcaneus.Aim: To establish base line reference data of BA required when surgical realignment of the ankle or radiological diagnosis of ankle mal alignment is required for the subject population establishing possible difference of BA among Nigerian population.Method: A total of 140 normal lateral plain radiographs of the foot and ankles, comprising of 57 male and 83 females between the ages of 10 and 60 years of age were randomly selected to establish normal BA in the study population using standard methods.Results: The mean BA reported for this study was 36.480± 4.950 with a range of 25-360 and a direct proportional relationship between BA and age of the subjects. Female subjects had a mean BA of 36.38±6.02 while their male counterpart had a BA of 36.63±8.42.Discussion: There was no significant gender difference and bilateral asymmetry in reported BA at P>0.05. The range of variation in calcaneal angle have never been reported to exceed 150, while the lowest and highest reported BA has been 250 and 400 respectively, this is similar to finding among population of close similarity.Conclusion: Borhler’s angle of Southern Nigerian do not have a significant difference from those of other Nigerian subjects.

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Section: Discussioncontrasting

confidence: 71%

Radio-Anatomical Study of Bohler’s (Calcaneal) Angle of Southern Nigerians

Tarimobo-Otobo

Michael²

2017

IJFMI

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“…The highest frequency occurred in the 35-39°r ange for males and the 30 -34°range for females. Table 1 also compares similar data in Nigerians previously studied (Didia and Dimkpa, 1999). Table 2 shows the comparisons of the calcaneal angle in Ugandans and Nigerians.…”

Section: Methodsmentioning

confidence: 80%

“…There were also significant differences between Ugandan and Nigerian men (P Ͻ 0.01) and Ugandan and Nigerian women (P Ͻ 0.001). Didia and Dimkpa (1999). …”

Section: Methodsmentioning

confidence: 95%

“…Despite the clinical importance of this angle, the literature is scant on African subjects, being limited to a study on Nigerians (Didia and Dimkpa, 1999). The angle may also be important in anthropometric studies because osteometric variations in humans have been utilized in defining sex and ethnic group of individual skeletons, an important tool in archaeology and forensic medicine (Weissman, 1983).…”

Section: Introductionmentioning

confidence: 98%

“…Fractures of the calcaneus may result from a fall or a jump from a height or from twisting forces (Didia and Dimkpa, 1999), and the degree of deformity of this bone can be estimated by measuring the calcaneal angle in a lateral radiograph of the foot. The angle is also called Bö hler's angle by some authors (Loucks and Buckley, 1999).…”

Section: Introductionmentioning

confidence: 99%

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Calcaneal angle in Ugandans

Igbigbi

Mutesasira

2003

Clinical Anatomy

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We investigated the calcaneal angle from 206 unilateral radiographs of the lateral aspect of the foot in Ugandans, comprising 114 males and 92 females, aged 20-40 years. The mean angle in males was 35.1 degrees with a standard deviation (SD) of 7.5 degrees and, in females, 37.6 degrees with SD 5.6 degrees. The range of the angle for both sexes together was 20-50 degrees with females having a significantly higher mean value than males (P < 0.01). There was also a significant difference in the angle between Ugandan and Nigerian men (P < 0.01) and between Ugandan and Nigerian women (P < 0.001). Our reported range was the widest so far documented in Africans. Our study reinforces the need to establish the normal range of the angle in a given population and also highlights the clinical importance of the angle to orthopedic surgeons managing calcaneal fractures in this part of the world.

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