Concept

Hip

Publications associées (117)

Mechanical characterization of bone from the tissue down to the lamellar level by means of nanoindentation

Osteoporosis has become an important health and economic problem of our aging western society. This metabolic illness leads to a net bone loss and to a deterioration of trabecular architecture. Motivated by the fact that osteoporosis may also result in a d ...

EPFL2002

ESMAC-SIAMOC 2001 Joint Congress: Gait Events in Hip Osteoarthritis and Total Hip Replaced Patients Evaluated by Two different Gait Analysis Systems

Kamiar Aminian, Philippe Robert, Bijan Najafi

Comprehensive gait analysis usually includes kinematics, kinetics, and electromyography. A complex instrumentation is thus required that only can be installed in a dedicated laboratory. These techniques are valuable to support clinical decisions and to eva ...

2001

Static compression of articular cartilage can reduce solute diffusivity and partitioning: implications for the chondrocyte biological response

Jean-Jacques Meister

Chondrocytes depend upon solute transport within the avascular extracellular matrix of adult articular cartilage for many of their biological activities. Alterations to bioactive solute transport may, therefore, represent a mechanism by which cartilage com ...

Elsevier2001

Noncemented total hip arthroplasty: influence of extramedullary parameters on initial implant stability and on hone-implant interface stresses

Lalaonirina Rakotomanana Ravelonarivo, Pierre-François Leyvraz

Purpose of the study After total hip replacement, the initial stability of the cementless femoral stem is a prerequisite for ensuring bone ingrowth and therefore long term fixation of the stem. For custom made implants, long term success of the replacement ...

2000

Displacements of the tibial tuberosity - Effects of the surgical parameters

Dominique Pioletti, Lalaonirina Rakotomanana Ravelonarivo, Pierre-François Leyvraz

A three-dimensional computer model is used, based on the finite element method, to investigate the effects of 1-, 1.5-, and 2-cm tibial tubercle elevations and of 0.5- and 1-cm medial displacements of the tuberosity performed with different bone shingles. ...

1997

Experimental and mathematical methods for representing relative surface elongation of the ACL

Dominique Pioletti, Lalaonirina Rakotomanana Ravelonarivo, Pierre-François Leyvraz

The common approach to assess the stabilizing role of the ACL in the knee has been to measure the elongation of a few marked fibers in the ligament. A comparison of the relative elongation (RE) of these marked fibers between different specimens and studies ...

Elsevier1995

13C NMR visibility of rabbit muscle glycogen in vivo

Rolf Gruetter

The integrated 13C NMR intensity of the glycogen C1 resonance was measured in skeletal muscle (biceps femoris region) of nine rabbits under in vivo conditions. Concurrent chemical determinations of glycogen content showed that the in vivo signal was 1.02 ± ...

1991

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