Relevant bibliographies by topics / Anatomical femur length

Academic literature on the topic 'Anatomical femur length'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Anatomical femur length"

1

Lucak, T., S. Raju, A. Andrews, L. Igbokwe, and M. J. Heffernan. "Dimensions of the paediatric femur: anatomical limitations of flexible intramedullary nailing." Journal of Children's Orthopaedics 13, no. 2 (April 2, 2019): 220–25. http://dx.doi.org/10.1302/1863-2548.13.180194.

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Purpose Although spica casting remains the benchmark for treating diaphyseal femur fractures in preschool children, some authors advocate using flexible intramedullary nails in certain situations. The aim of the current study was to evaluate the anatomic feasibility of flexible nailing in young children. Methods Consecutive patients between the ages of zero and ten years with normal femurs who received femur radiographs at a tertiary paediatric hospital over a two-year period were included. Anteroposterior femur radiographs were evaluated for length and isthmus width measurements. Each femur was templated for flexible nail size. The proportions of each age group capable of accommodating two flexible nails up to 4.0 mm in size were determined and compared. Results A total of 381 full-length femur radiographs were reviewed. There was a strong, direct linear relationship between age and femoral length (R2 = 0.896) and a moderate correlation between age and femoral isthmus width (R2 = 0.417). Although the percentage of femurs able to accommodate flexible nails continued to increase with age, this increase did not represent a significant difference when comparing preschool-aged children with older age groups. Conclusions Age and femoral length demonstrated a strong, positive correlation while age and isthmus width had weaker correlation. The ability of femurs to accommodate flexible nails increased with age with most children age two years and older able to accommodate two flexible nails of at least 2.5 mm in size. Level of Evidence III
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Su, Xiu-Yun, Zhe Zhao, Jing-Xin Zhao, Li-Cheng Zhang, An-Hua Long, Li-Hai Zhang, and Pei-Fu Tang. "Three-Dimensional Analysis of the Curvature of the Femoral Canal in 426 Chinese Femurs." BioMed Research International 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/318391.

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Purpose. The human femur has long been considered to have an anatomical anterior curvature in the sagittal plane. We established a new method to evaluate the femoral curvature in three-dimensional (3D) space and reveal its influencing factors in Chinese population. Methods. 3D models of 426 femurs and the medullary canal were constructed using Mimics software. We standardized the positions of all femurs using 3ds Max software. After measuring the anatomical parameters, including the radius of femoral curvature (RFC) and banking angle, of the femurs using the established femur-specific coordinate system, we analyzed and determined the relationships between the anatomical parameters of the femur and the general characteristics of the population. Results. Pearson’s correlation analyses showed that there were positive correlations between the RFC and height (r=0.339, p<0.001) and the femoral length and RFC (r=0.369, p<0.001) and a negative correlation between the femoral length and banking angle (r=-0.223, p<0.001). Stepwise linear regression analyses showed that the most relevant factors for the RFC and banking angle were the femoral length and gender, respectively. Conclusions. This study concluded that the banking angle of the femur was significantly larger in female than in male.
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Ariana, Irma Padeta, Arvendi Rachma Jadi, Hery Wijayanto, Teguh Budipitojo, Slamet Raharjo, Amalia Rezeki, and Heri Budi Santoso. "The Correlation of Femur Length with The Body Length of Proboscis Monkey." BIO Web of Conferences 20 (2020): 04001. http://dx.doi.org/10.1051/bioconf/20202004001.

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The proboscis monkey is an endemic primate of Kalimantan Island, Indonesia. According to the International Union for Conservation of Nature (IUCN), proboscis monkey was classified as endangered species. Anatomical data of proboscis monkey has not been available yet. As endemic and endangered primate, morphology and morphometric data of proboscis monkey are important for forensic reference. The purpose of this study was to investigate the correlation between femur and body length of the proboscis monkey. The anatomical analysis used three proboscis monkey from the rehabilitation center, Sahabat Bekantan Indonesia (SBI), Banjarmasin, South Kalimantan. The femur and body length were measured by digital caliper in millimeter (mm). The result showed that there was a strong correlation between femur and body length of the proboscis monkey. The body length of proboscis monkey might be determined by femur length with linear regression y = 0.2682x + 347.85. In conclusion, there was a positive correlation between femur and body length of proboscis monkey in South Kalimantan.
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Stijak, Lazar, Vidosava Radonjic, Milan Aksic, B. Filipovic, M. Sladojevic, and G. Santrac-Stijak. "Correlation between femur's length and morphometric parameters of distal femur important in rupture anterior cruciate ligament." Acta chirurgica Iugoslavica 56, no. 2 (2009): 61–66. http://dx.doi.org/10.2298/aci0902061s.

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INTRODUCTION: Frequency of anterior cruciate ligament rupture depends of anatomical parameters of distal femur and intercondylar notch. PURPOSE: Purpose of this work is identification relation between femur length and morphometrical parameters intecondylar notch, measuring in two levels. METHOD: A hundred femur's (medley population of 48 right and 52 left femurs), from osteological collection Department of Anatomy 'dr. Niko Miljanic' in Belgrade measured. Measurement was in two levels. Epicondilar width, width of medial and lateral condyls and intercondylar width, had been measured in level of popliteal sulcus and on the widest place, after that notch width index had been determinated. RESULTS: Absolute values of morphometrical parameters distal femur's are in positive relation with her length (p <0.01), but notch width index is not, as in level of popliteal sulcus, as on the widest place (p>0.05). CONCLUSION: Femur's length increasing also produces increasing of absolute anatomical parameters of distal femur which can produce rupture of anterior cruciate ligament, while relative dimensions do not show femur's length increasing.
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Beutel, B. G., S. J. Girdler, J. A. Collins, N. Y. Otsuka, and A. Chu. "Characterization of proximal femoral anatomy in the skeletally-immature patient." Journal of Children's Orthopaedics 12, no. 2 (April 2018): 167–72. http://dx.doi.org/10.1302/1863-2548.12.180011.

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PurposeThe morphology of the proximal femur has been extensively studied in the adult population. However, no literature providing a comprehensive evaluation of the anatomy in paediatric patients exists. The current study aims to characterize such anatomy in skeletally-immature patients, examine potential differences between genders, and analyze how these anatomical parameters change with age.MethodsCadaveric femurs from the Hamann-Todd Osteological Collection were examined. Specimens with open physes and no skeletal disease or deformity were included for analysis. Age and gender were recorded for each specimen. Each femur was photographed in standardized modified axial and anteroposterior views. In all, 14 proximal femoral anatomical parameters were measured from these photographs. Comparisons between genders and age were calculated.ResultsA total of 43 femurs from ages four to 17 years met inclusion criteria. The majority were female (56%); no difference existed in age between genders (p = 0.62). The specimens had a neutral mean neck-shaft angle (130.7º) and anteversion (12.8º), and the sphericity of the ossified femoral heads was symmetrical. Male specimens had significantly higher alpha angles (p = 0.01), posterior offset (p = 0.02), neck width (p = 0.04) and head-neck length ratio (p = 0.02) values than female specimens. Strong positive correlations exist between length/size parameters and age, while negligible correlations were noted for angular measurements. Conclusions This study establishes reference values for a comprehensive list of anatomical parameters for the skeletally-immature ossified proximal femur. It highlights gender differences in morphology and demonstrates that angular characteristics remain relatively stable while length parameters generally increase with age. Level of Evidence Level III Diagnostic
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Taylor, M., and E. W. Abel. "Finite Element Analysis of Poor Distal Contact of the Femoral Component of a Cementless Hip Endoprosthesis." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 207, no. 4 (December 1993): 255–61. http://dx.doi.org/10.1243/pime_proc_1993_207_304_02.

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The difficulty of achieving good distal contact between a cementless hip endoprosthesis and the femur is well established. This finite element study investigates the effect on the stress distribution within the femur due to varying lengths of distal gap. Three-dimensional anatomical models of two different sized femurs were generated, based upon computer tomograph scans of two cadaveric specimens. A further six models were derived from each original model, with distal gaps varying from 10 to 60 mm in length. The resulting stress distributions within these were compared to the uniform contact models. The extent to which femoral geometry was an influencing factor on the stress distribution within the bone was also studied. Lack of distal contact with the prosthesis was found not to affect the proximal stress distribution within the femur, for distal gap lengths of up to 60 mm. In the region of no distal contact, the stress within the femur was at normal physiological levels associated with the applied loading and boundary conditions. The femoral geometry was found to have little influence on the stress distribution within the cortical bone. Although localized variations were noted, both femurs exhibited the same general stress distribution pattern.
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Kharbuja, Rabita, Rashmi Manjushree Adhikari, and Anupama Shrestha. "Bicondylar Angle and its Relation with Length and Neck Length of Human Femur." Journal of Lumbini Medical College 6, no. 1 (May 24, 2018): 17–20. http://dx.doi.org/10.22502/jlmc.v6i1.176.

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Introduction: Femoral bicondylar angle has immense importance from anatomical and clinical (forensic and anthropometric) point of view and is the characteristic feature of bipedal gait in humans. It is the angle between axis of femoral shaft and a line perpendicular to its transcondylar axis. The study was carried out to assess bicondylar angle and its relationship with femur length and neck length. Methods: Bicondylar angle, length, and neck length of available dry human femurs of unknown sex and age were measured using osteometric board and vernier caliper. Bicondylar angle between two sides were compared. Similarly, relation between the angle and femoral length and length of femoral neck was studied. Result: Bicondylar angle on right side was 8.65° (SD = 2.03) and on left side was 9.35° (SD = 2.05) and the different was not statistically significant (p = 0.08). On both sides, no significant correlation was found between bicondylar angle with femoral length and length of femoral neck. Conclusion: Mean bicondylar angle of right femur was 8.65° and that of left was 9.35° and the difference was not statistically significant. There was no significant relation between the angle and other two parameters.
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Chethan, K. N., Shyamasunder N. Bhat, Mohammad Zuber, and Satish B. Shenoy. "Patient-Specific Static Structural Analysis of Femur Bone of different lengths." Open Biomedical Engineering Journal 12, no. 1 (December 31, 2018): 108–14. http://dx.doi.org/10.2174/1874120701812010108.

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Background:The femur bone is an essential part of human activity, providing stability and support in carrying out our day to day activities. The inter-human anatomical variation and load bearing ability of humans of different heights will provide the necessary understanding of their functional ability.Objective:In this study, femur bone of two humans of different lengths (tall femur and short femur) were subjected to static structural loading conditions to evaluate their load-bearing abilities using Finite Element Analysis.Methods:The 3D models of femur bones were developed using MIMICS from the CT scans which were then subjected to static structural analysis by varying the load from 1000N to 8000N. The von Mises stress and deformation were captured to compare the performance of each of the femur bones.Results:The tall femur resulted in reduced Von-Mises stress and total deformation when compared to the short femur. However, the maximum principle stresses showed an increase with an increase in the bone length. In both the femurs, the maximum stresses were observed in the medullary region.Conclusion:When the applied load exceeds 10 times the body weight of the person, the tall femur model exceeded 134 MPa stress value. The short femur model failed at 9 times the body weight, indicating that the tall femur had higher load-bearing abilities.
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Su, Xiu-yun, Jing-xin Zhao, Zhe Zhao, Li-cheng Zhang, Chen Li, Jian-tao Li, Jian-feng Zhou, Li-hai Zhang, and Pei-fu Tang. "Three-Dimensional Analysis of the Characteristics of the Femoral Canal Isthmus: An Anatomical Study." BioMed Research International 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/459612.

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Purpose. To establish a new approach for measuring and locating the femoral intramedullary canal isthmus in 3-dimensional (3D) space.Methods. Based on the computed tomography data from 204 Chinese patients, 3D models of the whole femur and the corresponding femoral isthmus tube were reconstructed using Mimics software (Materialise, Haasrode, Belgium). The anatomical parameters of the femur and the isthmus, including the femur length and radius, and the isthmus diameter and height, were measured accordingly.Results. The mean ratio of the isthmus height versus the femoral height was 55 ± 4.8%. The mean diameter of the isthmus was 10.49 ± 1.52 mm. The femoral length, the isthmus diameter, and the isthmus tube length were significantly larger in the male group. Significant correlations were observed between the femoral length and the isthmus diameter (r=0.24,p<0.01) and between the femoral length and the isthmus height (r=0.6,p<0.01). Stepwise linear regression analyses demonstrated that the femoral length and radius were the most important factors influencing the location and dimension of the femoral canal isthmus.Conclusion. The current study developed a new approach for measuring the femoral canal and for optimization of customer-specific femoral implants.
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Mehta, Suresh. "Gross anatomical studies on the femur, tibio-tarsus and fibula of emu (Dromaius novaehollandiae)." INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES 17, no. 2 (June 15, 2021): 627–29. http://dx.doi.org/10.15740/has/ijas/17.2/627-629.

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The study was conducted on three adult emu birds of 2-3 years of age. The femur was a relatively short, but thickbone, measuring about 23±0.43 cm in length.The fovea capitiswas absent.The large trochanter major was at the same level as the head.A large pneumatic foramen was present on the caudal surface of the femur, medioventrally to the trochanter major. Distal extremity of femur showed a trochlea anteriorly and two condyles posteriorly.The tibio-tarsus waslongest and formed by the fusion of the tibia and proximal row of tarsalbones.The average length was 43±0.68 cm, was almost twice as long as the femur.The cranial part of the proximal end was greatly expanded which formed a large ridge, the proximal end of which was divided to form lateraland medial cranial ridges.The distal end showed lateral and medial condyles cranially and a trochlea with symmetrical ridges caudally. The fibula was shorter than the tibia, measuring about 29±0.23 cm in length with a prominent head.
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Conference papers on the topic "Anatomical femur length"

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A.A., Vlasenko, Semenenko M.P., Semenenko K.A., and Abramov A.A. "THE RESULTS OF THE INFLUENCE OF THE DRUG SILIOSTIN ON LINEAR AND STRUCTURAL INDICATORS OF THE FEMORAL DIAPHYSIS IN BROILER CHICKENS." In OF THE ANNIVERSARY Х INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE «INNOVATIVE TECHNOLOGIES IN SCIENCE AND EDUCATION» («ITSE 2022» CONFERENCE). DSTU-Print, 2022. http://dx.doi.org/10.23947/itse.2022.40-42.

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The article presents research on the study of the osteotropic effect of the drug siliostin by assessing the linear and structural parameters of the femur bone. A comparative analysis of such indicators as the mass and length of the femur bone, as well as the width at the site of the anatomical localization of the epiphyses and diaphyses was carried out. A macroscopic evaluation and comparison of the compact layer of bone tissue on segmental cuts was performed. It has been determined that the introduction of siliostin into the diet of broiler chickens has a pronounced osteotropic effect, as evidenced by the obtained results such as an increase in the mass of the femur bones in the experimental group by 15.3-17.0%, the width of the epiphyses and diaphyses of the femur bones by 3, 3–10.2%, thickening of the compact layer of the femur bones in 1.86 times
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Yildirim, Gokce, Peter S. Walker, Jonathan Sussman-Fort, and Jason Boyer. "Next Generation Knee Replacements: A New Approach to Replicate the Function of the ACL." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-176201.

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Current total knee replacements solve the problem of arthritic knee joints, but the evidence is that normal patterns of knee motions are not restored (1) In addition; paradoxical anterior sliding of the femur on the tibia can occur in the first half of the flexion range (2). Achieving natural motion is likely to be important for daily activities which involve higher angles of flexion, in terms of restoring normal soft tissue lengths and patello-femoral mechanics. Studies have shown the damaging effects of anterior femoral slide on the tibia affecting both the patella and the patellar tendon (3). Our paper examines new knee replacement designs which incorporate geometrical features to regain anatomical knee motion.
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