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Bilateral Variation in Lateral Malleolus Morphology Among Young Adults

Abstract

The lateral malleolus is the distal projection of the fibula and forms an important component of the lateral aspect of the ankle joint. Its morphology may vary between individuals and between the right and left sides in terms of shape, size, orientation, and dimensions. Understanding these bilateral variations is relevant to ankle biomechanics, fracture assessment, radiological interpretation, and orthopaedic procedures involving the distal fibula. The study will assess bilateral variation in the morphology of the lateral malleolus among young adults. It will specifically determine selected morphological characteristics and dimensions of the right and left lateral malleoli and compare the observed measurements to identify patterns of bilateral variation among the participants. A cross-sectional descriptive research design will be adopted for the study. Young adults who meet the established eligibility criteria will be selected using an appropriate sampling technique. The morphology and selected dimensions of the right and left lateral malleoli will be assessed using standardized anatomical landmarks and measurement procedures, with appropriate imaging or osteological assessment where necessary. The data obtained will be analyzed using descriptive statistics such as frequency, percentage, mean, and standard deviation, while appropriate paired statistical tests will be applied to determine significant differences between the right and left sides. The study is expected to reveal observable bilateral differences in selected morphological characteristics and dimensions of the lateral malleolus among the participants. Variations may be observed in parameters such as malleolar length, breadth, thickness, and orientation between the right and left sides. The findings are expected to provide useful anatomical information on the extent of bilateral variation in the distal fibula. The findings will be useful to anatomists, orthopaedic surgeons, radiologists, physiotherapists, and other healthcare professionals involved in the assessment and management of ankle-related conditions. The information may contribute to improved interpretation of radiological findings, fracture assessment, surgical planning, reconstruction of the distal fibula, and understanding of normal anatomical variation around the ankle. The study will conclude by documenting the pattern of bilateral morphological variation in the lateral malleolus among young adults. It is expected that the findings will contribute to anatomical reference data and provide a basis for further studies involving larger and more diverse populations to improve understanding of bilateral differences in distal fibular morphology.

Keywords: Lateral malleolus, fibula, ankle joint, bilateral variation, morphological variation, anatomical variation, distal fibula, ankle anatomy, osteology, lower limb, skeletal anatomy, anatomical landmarks, young adults, bilateral differences, distal fibular morphology.