Nutrient foramen in tibia – A study in coastal region of Karnataka

Abstract

The nutrient foramen (NF) of the tibia is located in the proximal third of its diaphysis.With the objective of complementing the information delivered by other authors, we investigated the location, the number of diaphyseal foramina, the distance and position of the foramina in relation to the length of the bone and the proximal epiphysis and the lateromedial diameter and anteroposterior diameter of the bone at the level of NF.For that purpose, we used 50 adult dry tibia of both sexes from the Anatomy department and museum of Manipal University.The mean length of the right tibia was 373mm, left tibia 387mm.Location of the NF was found over the soleal line in 4/26 (15.38%) left tibia and 3/24 (12.5%) right tibia, medial to the soleal line in 4/26 (15.38%) left tibia and 4/24 (16.66%) right tibia.In all the remaining cases, it was lateral to the soleal line.The NF was located in the upper third of the shaft in 23/26 (88.46%) left tibia and 22/24 (91.66%) right tibia, in the middle third 3/26 (11.53%) left tibia and 2/24 (8.33%) right tibia.Mean of maximum diameter of NF was 0.6mm in left tibia and 0.7mm in right tibia.Mean of lateromedial diameter at the level of NF was 28mm in left tibia and 26mm in right tibia.Mean of anteroposterior diameter of the shaft at the level of NF was 88mm on the left tibia and 92mm on the right tibia.Mean of the distance between NF and the highest point of intercondylar eminence was 130mm in left tibia and 134mm in right tibia.The FI of the right tibia was 35.92 and of the left tibia was 34.This data could be useful as reference for surgical procedures of the lower limb.

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