English
Related papers

Related papers: Simulating Wear On Total Knee Replacements

200 papers

In this paper, we present an integrated human-in-the-loop simulation paradigm for the design and evaluation of a lower extremity exoskeleton that is elastically strapped onto human lower limbs. The exoskeleton has 3 rotational DOFs on each…

Robotics · Computer Science 2020-06-08 Xianlian Zhou , Xinyu Chen

Physical rehabilitation is essential to recovery from joint replacement operations. As a representation, total knee arthroplasty (TKA) requires patients to conduct intensive physical exercises to regain the knee's range of motion and muscle…

Human-Computer Interaction · Computer Science 2022-10-04 Yu Jiang , Zhipeng Li , Ziyue Dang , Yuntao Wang , Yukang Yan , Y Zhang , Xinguang Wang , Yansong Li , Mouwang Zhou , Hua Tian , Yuanchun Shi

In fusion plasmas the strong magnetic field allows the fast gyro-motion to be systematically removed from the description of the dynamics, resulting in a considerable model simplification and gain of computational time. Nowadays, the…

Efficient early diagnosis is paramount in addressing the complexities of Parkinson's disease because timely intervention can substantially mitigate symptom progression and improve patient outcomes. In this paper, we present a pioneering…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Alireza Rashnu , Armin Salimi-Badr

A general approach to simulate the mechanical behavior of textile materials by taking into account all their constitutive elementary fibers and contacts between them is presented in this paper. A finite element code, based on an implicit…

Materials Science · Physics 2009-12-08 Damien Durville

Although we can measure muscle activity and analyze their activation patterns, we understand little about how individual muscles affect the joint torque generated. It is known that they are controlled by circuits in the spinal cord, a…

Neurons and Cognition · Quantitative Biology 2022-01-19 Benedikt Feldotto , Cristian Soare , Alois Knoll , Piyanee Sriya , Sarah Astill , Marc de Kamps , Samit Chakrabarty

This paper explores the innovative use of simulation environments to enhance data acquisition and diagnostics in veterinary medicine, focusing specifically on gait analysis in dogs. The study harnesses the power of Blender and the…

Simulation of post-prandial pharmacokinetics, such as muscle protein synthesis (MPS) through mTORC1 and insulin-induced glucose uptake, is often challenging due to the computational intensity of the multi-compartmental approach. In this…

Other Quantitative Biology · Quantitative Biology 2026-05-28 Alberto Calderone

Step-counting has been widely implemented in wrist-worn devices and is accepted by end users as a quantitative indicator of everyday exercise. However, existing counting approach (mostly on wrist-worn setup) lacks robustness and thus…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Sizhen Bian , Rakita Strahinja , Philipp Schilk , Clénin Marc-André , Silvano Cortesi , Elio Reinschmidt , Kanika Dheman , Michele Magno

Running is a widely practiced activity but shows a high incidence of knee injuries, especially Patellofemoral Pain Syndrome (PFPS) and Iliotibial Band Syndrome (ITBS). Identifying gait patterns linked to these injuries can improve clinical…

In this paper, we develop an integrated markerless gait tracking system with three Kinect v2 sensors. A geometric principle-based trilateration method is proposed for optimizing the accuracy of the measured gait data. To tackle the data…

Multimedia · Computer Science 2023-01-03 Lin Yang , Bowen Yang , Haiwei Dong , Abdulmotaleb El Saddik

With rapid advancements in exoskeleton hardware technologies, successful assessment and accurate control remain challenging. This study introduces a modular sensor-based system to enhance biomechanical evaluation and control in lower-limb…

Robotics · Computer Science 2024-12-20 Giorgos Marinou , Ibrahima Kourouma , Katja Mombaur

Traditionally, model-based reinforcement learning (MBRL) methods exploit neural networks as flexible function approximators to represent $\textit{a priori}$ unknown environment dynamics. However, training data are typically scarce in…

Robotics · Computer Science 2024-10-29 Jacob Levy , Tyler Westenbroek , David Fridovich-Keil

Background. Wearable accelerometry devices allow collection of high-density activity data in large epidemiological studies both in-the-lab as well as in-the-wild (free-living). Such data can be used to detect and identify periods of…

Quantitative Methods · Quantitative Biology 2017-11-20 Jacek K. Urbanek , Vadim Zipunnikov , Tamara Harris , Ciprian Crainiceanu , Jaroslaw Harezlak , Nancy W. Glynn

Construction workers exert intense physical effort and experience serious safety and health risks in hazardous working environments. Quiet stance and kneeling are among the most common postures performed by construction workers during their…

Robotics · Computer Science 2025-02-12 Gayatri Sreenivasan , Chunchu Zhu , Jingang Yi

We present the method of walk-sum to study the real-time dynamics of interacting quantum many-body systems. The walk-sum method generates explicit expressions for any desired pieces of an evolution operator U independently of any others.…

Quantum Physics · Physics 2014-04-16 Pierre-Louis Giscard , Martin Kiffner , Dieter Jaksch

We proposed a novel test-time optimisation (TTO) approach framed by a NeRF-based architecture for long-term 3D point tracking. Most current methods in point tracking struggle to obtain consistent motion or are limited to 2D motion. TTO…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Gerardo Loza , Junlei Hu , Dominic Jones , Sharib Ali , Pietro Valdastri

Acoustical knee health assessment has long promised an alternative to clinically available medical imaging tools, but this modality has yet to be adopted in medical practice. The field is currently led by machine learning models processing…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Christodoulos Kechris , Jerome Thevenot , Tomas Teijeiro , Vincent A. Stadelmann , Nicola A. Maffiuletti , David Atienza

The human gait is a complex interplay between the neuronal and the muscular systems, reflecting an individual's neurological and physiological condition. This makes gait analysis a valuable tool for biomechanics and medical experts.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Eva Katharina Bauer , Simon Bultmann , Sven Behnke

Currently used clinical assessments for physical function do not objectively quantify daily activities in routine living. Wearable activity monitors enable objective measurement of routine daily activities, but do not map to clinically…

Applications · Statistics 2018-01-29 Vibhu Agarwal , Matthew Smuck , Nigam H Shah