External force and strain distribution in human femur.
نویسندگان
چکیده
منابع مشابه
Differences in External and Internal Cortical Strain with Prosthesis in the Femur
The contact between a femoral stem prosthesis and the internal surface of the cortical bone with the stress in the interface is of crucial importance with respect to loosening. However, there are no reports of strain patterns at this site, and the main aim of the current study was to investigate differences of internal and external cortical strain in the proximal femur after insertion of a stem...
متن کاملStrain distribution in the proximal human femur. An in vitro comparison in the intact femur and after insertion of reference and experimental femoral stems.
Six pairs of human cadaver femora were divided equally into two groups one of which received a non-cemented reference implant and the other a very short non-dependent experimental implant. Thirteen strain-gauge rosettes were attached to the external surface of each specimen and, during application of combined axial and torsional loads to the femoral head, the strains in both groups were measure...
متن کاملExternal fixation of femur fractures in children.
Forty-two children (44 femur fractures) were treated by primary external fixation and early weightbearing (1984-1989). The fractures were reduced anatomically when possible. Average age at fracture was 9 years 7 months (range, 2 years 5 months to 17 years 8 months). Duration of external fixation averaged 70 days (range 42-117 days). Of 176 pins, 15 (8.5%) were inflamed and five (2.8%) required ...
متن کاملcoordination of protective schemes in distribution and subtransmission systems including distributed generation
نصب منابع پراکنده در سیستم های توزیع و فوق توزیع علاوه بر مزیت های فراوان، مشکلاتی را هم به همراه دارد. یکی از این مشکلات تأثیر این منابع روی اندازه جریان های اتصال کوتاه است. به طور معمول از حفاظت های مبتنی بر اصل جریان زیاد در سیستم های توزیع و فوق توزیع استفاده می شود. از مهمترین طرح های حفاظتی استفاده شده در فیدرهای توزیع، حفاظت فیوز- ریکلوزر است. همچنین از طرح های حفاظتی جریان زیاد جهتی در...
Re: Influence of head constraint and muscle forces on the strain distribution within the intact femur.
The aim of this study was to analyse the influence of muscle action and a horizontally constrained femoral head on the strain distribution within the intact femur. The strain distribution was measured for three loading configurations: joint reaction force only, joint reaction force plus abductors, and joint reaction force plus the abductors, vastus lateralis and iliopsoas. In each case the stra...
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ژورنال
عنوان ژورنال: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A
سال: 1990
ISSN: 0387-5008,1884-8338
DOI: 10.1299/kikaia.56.2169