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Analysis of bone mineral density of human bones for strength evaluation

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Abstract

The bone density (BMD) is a medical term normally referring to the amount of mineral matter per square centimetre of bones. Twenty-five patients (18 female and 7 male patients with a mean age of 71.3 years) undergoing both lumbar spine DXA scans and computed tomography imaging were evaluated to determine if HU correlates with BMD and T-scores. BMD is used in clinical medicine as an indirect indicator of osteoporosis and fracture risk. This medical bone density is not the true physical “density” of the bone, which would be computed as mass per volume. Dual-energy X-ray absorptiometry (DXA, previously DEXA), a means of measuring BMD, is the most widely used and most thoroughly studied bone density measurement technologies. Different types of bone strength are required for various applications, but this strength calculation requires different machines for each strength property or it is done by different software like X-ray, CT scan, DEXA and BIA. The paper includes the design of an experimental setup which performs different types of test like tension, compression, three point bending, four point bending and torsion. The modified correlation between BMD and HU for various strength calculations is found out and validated with the experimental results.

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Authors and Affiliations

  1. Government College of Engineering, Aurangabad, 431005, India

    S N KHAN

  2. Government College of Engineering, Karad, 415124, India

    R M WARKHEDKAR

  3. Sancheti Hospital, Pune, 411005, India

    A K SHYAM

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  1. S N KHAN
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  2. R M WARKHEDKAR
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Correspondence to S N KHAN.

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KHAN, S.N., WARKHEDKAR, R.M. & SHYAM, A.K. Analysis of bone mineral density of human bones for strength evaluation. Sadhana 40, 1667–1679 (2015). https://doi.org/10.1007/s12046-015-0368-4

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  • DOI: https://doi.org/10.1007/s12046-015-0368-4

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