Romanian Journal of Oral Rehabilitation Numarul 3 THE FUNCTIONAL SIGNIFICANCE OF HUMERUS LOWER EXTREMITY FOSSAE

THE FUNCTIONAL SIGNIFICANCE OF HUMERUS LOWER EXTREMITY FOSSAE

Bogdan Vâscu, Alexandra Davidescu, Dragos Crauciuc, Vladut Burduloi, Norina Forna, Ana Maria Fătu

Abstract

This study investigates the morphology and prevalence of the Supratrochlear Foramen (STF) in dry humerus specimens, with focus on its shape, morphometry, and potential role in elbow joint stability and mobility. The research explores the anatomical adaptations of the humeral trochlea and proximal ulna and radius that facilitate dynamic movement during flexion, extension, and pronation-supination. The findings suggest that the deepening of the humeral fossae enhances the range of motion, contributing to joint stability. Six paired upper limb bones were examined through linear and angular morphometry, involving key landmarks and axes to analyze the relation between bone morphology and movement. The study proposes that deepening of the articular fossae may serve to increase the amplitude of flexion and extension, playing a significant role in elbow kinematics and stability.

DOI : 10.62610/RJOR.2025.3.17.18

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