Related Experiment Video
Updated: May 17, 2026

07:56
Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
Published on: January 29, 2018
Age estimation using foot radiographs from a modern Scottish population
Lucina Hackman1, Catriona M Davies, Sue Black
1Centre for Anatomy and Human Identification, University of Dundee, Dow Street, Dundee, DD1 5EH, UK. l.hackman@dundee.ac.uk
Journal of Forensic Sciences
|October 23, 2012
Summary
The Hoerr et al. atlas accurately estimates juvenile age from foot radiographs in a modern Scottish population. This forensic anthropology tool shows strong correlations, validating its use in contemporary forensic age assessments.
Area of Science:
- Forensic Anthropology
- Radiology
- Pediatric Imaging
Background:
- The Hoerr et al. atlas, published in 1962, is a standard reference for juvenile age estimation using foot radiographs.
- Accurate age estimation is crucial in forensic and clinical contexts.
Purpose of the Study:
- To evaluate the accuracy of the Hoerr et al. atlas for age estimation in a contemporary Scottish population.
- To assess the applicability of this established method on current demographic data.
Main Methods:
- Analysis of 403 left foot/ankle radiographs from individuals of varying ages.
- Application of the Hoerr et al. atlas method for age assessment.
- Statistical correlation analysis between chronological age and estimated age.
Main Results:
- Strong correlations observed between chronological and estimated ages (R² = 0.952 for females, R² = 0.962 for males).
- The atlas tended to underestimate ages in females across all groups.
- Males were generally underaged up to 10 years, with mixed over- and underestimation thereafter.
Conclusions:
- The Hoerr et al. atlas method demonstrates applicability and accuracy in a modern Scottish population.
- The findings support the continued use of this radiographic method for juvenile age estimation.
- Population-specific validation is important for established forensic tools.
Related Concept Videos
Radioactive Decay and Radiometric Dating
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.
Changes in the Appendicular Skeleton with Age
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...