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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29207

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How the Decrease of Collagen or Mineral Affect the Fracture in the Turkey Long Bones
Bone properties and response behavior after static or dynamic activation (loading) are still interesting topics in many fields of the science especially in the biomechanical problems such as bone loss of astronauts in space, osteoporosis, bone remodeling after fracture or remodeling after surgery (endoprosthesis and implants) and in osteointegration. This contribution deals with the relation between physiological, demineralized and deproteinized state of the turkey long bone – tibia. Three methods for comparison were used: 1) densitometry, 2) three point bending and 3) frequency analysis. The main goal of this work was to describe the decrease of the protein (collagen) or mineral of the bone with relation to the fracture in three point bending. The comparison is linked to the problem of different bone mechanical behavior in physiological and osteoporotic state.
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[1] S. Cowin. Bone mechanics handbook. 2nd edition. Boca Raton; London; New York; Washington, D.C.: CRC Press, 2001. (800). ISBN 0-8493- 9117-2.
[2] P. Vosynek, T. Návrat, P. Krejčí, L. Houfek. Design of experimental device for loading the femur when standing on one leg (2011) EAN 2011: 49th International Scientific Conference on Experimental Stress Analysis, pp. 429-434.
[3] Houfek, L., Florian, Z., Březina, T., Houfek, M., Návrat, T., Fuis, V., Houška, P. Development of Experimental Devices for Testing of the Biomechanical Systems (2009) IFMBE Proceedings, 23, pp. 2005-2008.
[4] Fuis, V., Janicek, P., Stress and reliability analyses of damaged ceramic femoral heads, in Conf. on Damage and Fracture Mechanics, Maui Hawaii, Structures and Materials vol. 12, pp. 475-485, 2002.
[5] Fuis, V., Stress and reliability analyses of ceramic femoral heads with 3D manufacturing inaccuracies, in Proc. 11th World Congress in Mechanism and Machine Science, Tianjin, China pp. 2197-2201, 2004
[6] P. Vosynek, T. Návrat, V. Fuis. Response analysis of bone mass of proximal femur to surface replacement of hip joint (2010) IFMBE Proceedings, 31 IFMBE, pp. 807-810.
[7] Janů, I., Kočiš, J., Návrat, T., Florian, Z., Wendsche, P. A comparative analysis of socon CS and socon pedicle screws in view of their use for treatment of osteoporotic fractures of the thoracolumbal Spine. a biomechanical study, (2011) Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca, 78 (4), pp. 334-338.
[8] Ott. S., Osteoporosis and bone physiology (online). 1998, 9.5.2011 (cit. 2011-08-15). Awailable from WWW:
[9] Anastassopoulos, G., S. Panteliou, G. Christopoulou, A. Stavropoulou, E. Panagiotopoulos, G. Lyritis, L. Khaldi, J. Varakis, and N. Karamanos. Vibrational Bone Characteristics Versus Bone Density for the Assessment of Osteoporosis in Ovariectomized Rats. Journal of Medical Engineering and Technology 34, no. 1 (2010): 35–42. doi:10.3109/03091900903324056.
[10] Cizmar, I., Florian, Z., Navrat, T., Palousek, D. A biomechanical study of a suture between the deltoid muscle and a free tendon graft for reconstruction of the elbow extension (2011) Biomedical Papers, 155 (1), pp. 79-84.
[11] Urbanová, L., Srnec, R., Proks, P., Stehlík, L., Florian, Z., Návrat, T., Nečas, A. Comparison of the resistance to bending forces of the 4.5 LCP plate-rod construct and of 4.5 LCP alone applied to segmental femoral defects in miniature pigs (2010) Acta Veterinaria Brno, 79 (4), pp. 613- 620.
[12] Chen, Po-Yu, and Joanna McKittrick. Compressive Mechanical Properties of Demineralized and Deproteinized Cancellous Bone. Journal of the Mechanical Behavior of Biomedical Materials 4, no. 7 (jen 2011): 961–73. doi:10.1016/j.jmbbm.2011.02.006.
[13] Callister, W. D, Rethwisch D. G. Materials science and engineering: an introduction. 8th ed. Hoboken: Wiley, c2010, xxii, 885 s., A40, G15, S4, I22. ISBN 978-0-470-41997-7
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