Concept

Hip

Related publications (117)

Finite element analysis of knee squat with an osteochondral defect

In this work a 3D musculoskeletal model of the knee joint, that can simulate a squat movement, has been developed. Such a model would be useful to understand the biomechanics of the knee. The model consisted of all the the bones with their articular surfac ...

2011

In vivo assessment of local effects after application of bone screws delivering bisphosphonates into a compromised cancellous bone site

Dominique Pioletti, Alireza Roshan Ghias

Background: The primary stability of cancellous screw is difficult to obtain in bone of compromised quality and failure of screw fixation is common. To overcome this problem, it is proposed to locally deliver bisphosphonate from the screw An in vivo valida ...

Elsevier2011

Biomechanical consequences of humeral component malpositioning after anatomical total shoulder arthroplasty

Dominique Pioletti, Alexandre Terrier, Alain Farron, Francesco Merlini, Silvio Ramondetti

Hypothesis: We hypothesized that the malpositioning of the humeral component can preclude the long-term success of anatomical total shoulder arthroplasty. The goal of this study was to evaluate the mechanical consequences of superior and inferior malpositi ...

Elsevier2010

A new method for unconstrained measurement of knee joint angle and timing in alpine skiing : Comparison of crossover and crossunder turns

Kamiar Aminian, Julien Favre, Julien Chardonnens

Timing is an important part in the analysis of alpine skiing technique. Key events extracted from dynamics and kinematics of ski were previously proposed, but timing of body segments kinematics is also required to understand the biomechanics and to assess ...

2010

Penetration Depth Method-Novel Real-Time Strategy for Evaluating Femoroacetabular Impingement

Daniel Thalmann, Ronan Boulic, Ehsan Arbabi

We introduce a new method for computerized real-time evaluation of femoroacetabular impingement (FM). In contrast to previously presented stress analyses, this method is based on two types of predictions of penetration depths for two rotating bodies: curvi ...

Wiley-Blackwell2010

Reduced activation ODS ferritic steel - recent development in high speed hot extrusion processing

Nadine Baluc, Zbigniew Oksiuta

The paper presents the microstructure and mechanical properties of an oxide dispersion strengthened (ODS), reduced activation, ferritic steel, namely the Fe-14Cr-2W-0.3Ti-0.3Y(2)O(3) alloy, which was fabricated by hot isostatic pressing followed by high sp ...

2010

X-ray phase contrast imaging of the bone-cartilage interface

Synoyial joints articulate in a lubricating environment, the system providing for smooth articulation. The articular cartilage overlying the bone consists of a network of collagen fibres. This network is essential to cartilage integrity, suffering damage i ...

2010

Contact modeling and collision detection in human joints

Ehsan Arbabi

Collision detection among virtual objects is one of the main concerns in virtual reality and computer graphics. Usually the methods developed for collision detection are for either very general cases or very specific applications. The first main goal of th ...

EPFL2009

Fast collision detection methods for joint surfaces

Daniel Thalmann, Ronan Boulic, Ehsan Arbabi

In the recent years medical diagnosis and surgery planning often require the precise evaluation of joint movements. This has led to exploit reconstructed three-dimensional models of the joint tissues obtained from CT or MR Images (for bones, cartilages, et ...

2009

Total shoulder arthroplasty: Downward inclination of the glenoid component to balance supraspinatus deficiency

Dominique Pioletti, Alexandre Terrier, Alain Farron, Francesco Merlini

Hypothesis: Supraspinatus deficiency associated with total shoulder arthroplasty (TSA) provokes eccentric loading and may induce loosening of the glenoid component. A downward inclination of the glenoid component has been proposed to balance supraspinatus ...

2009

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