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Category:Drama video gamesShort term elastic modulus and impedance of the femur in vivo as determined by strain-controlled finite element modelling.
In vivo measurement of the short term elastic modulus (M) and impedence (Z) of bone and comparison with post-mortem results obtained from porcine femurs. To assess the value of in vivo dynamic measurements of the short term elastic modulus (M) and impedence (Z) of bone. Soft tissues and bone were removed from the distal portion of the femur of a Sprague Dawley rat. The specimens were instrumented with strain-gauges and inserted in an electrical impedance tomography (EIT) system. Bending was induced by a sinusoidal signal, and the strains were measured. The short term elastic modulus (M) and impedence (Z) were calculated from the strain measurements using a strain-controlled finite element (FE) model. M was calculated from the strain measurements by non-linear regression on a polynomial basis. After re-implantation, M and Z were calculated from the same strain measurements using the FE model. The in vivo M and Z in the femur were approximately 500 MPa and 100 omega, respectively, and were within 2-6% of the post-mortem results. The use of the in vivo measurements to assess the mechanical status of bone during development and maturation is described. The high values of M and Z found during post-mortem measurements of bone in vivo suggest that M and Z are adequate biomechanical measures of the dynamic mechanical environment of bone during development and maturation.CLEVELAND -- Akron's first preseason game is just a few days away. So, what should you watch?
We're going to help you by having at least three different experts give you their preseason predictions for the season opener at Cincinnati. These are real, live, in-person experts, not just online paid employees.
Here's how it will work: We'll take 10 questions, each picked by a member of our staff, and see how many experts select the right answer. Some will be easy, some will be difficult. We'll randomly select the person who picked the correct answer be359ba680
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