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Kamiar Aminian

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Publications associées (335)

Implantable and wearable measurement system for smart knee prosthesis

Kamiar Aminian, Philippe Renaud, David Forchelet, Arash Arami

In this work we present the implantable and wearable measurement system developed for smart knee prostheses monitoring. The kinematic measurement system contains three anisotropic magnetoresistive sensors embedded into the polyethylene part of the prosthes ...

IEEE2014

Cognitive Loading Affects Motor Awareness and Movement Kinematics but Not Locomotor Trajectories during Goal-Directed Walking in a Virtual Reality Environment

Kamiar Aminian, Olaf Blanke, Oliver Alan Kannape, Arnaud Barré

The primary purpose of this study was to investigate the effects of cognitive loading on movement kinematics and trajectory formation during goal-directed walking in a virtual reality (VR) environment. The secondary objective was to measure how participant ...

Public Library of Science2014

Inter-limb coordination and energy cost in swimming

Kamiar Aminian, Farzin Dadashi, Grégoire Millet, Florent Crettenand

Objectives: This study investigated the relationship between inter-arm coordination and the energy cost of locomotion in front crawl and breaststroke and explored swimmers’ flexibility in adapting their motor organization away from their preferred movement ...

Elsevier2014

Approaching on-line estimation of swimming instantaneous velocity using a wearable IMU

Kamiar Aminian, Farzin Dadashi, Grégoire Millet

The goal of this study is to assess the possibility of accurate on-line instantaneous velocity estimation in swimming. Having an on-line tool, coaches could provide immediate feedback about performance to trainees. More importantly, by on-line monitoring o ...

2014

Sagittal plane blocade in patients with Functional Hallux Limitus:a multisegment model analysis of the Flexor Hallucis Longus endoscopic tenolysis

Kamiar Aminian, Hossein Rouhani, Arash Arami

Functional Hallux Limitus (FHL) is a relatively unknown clinical entity in which dorsal flexion of the first metatarsophalangeal joint is restricted during final stance phase, derailing the three mechanisms of foot stabilization 1. The close packing of the ...

2014

Spatio-temporal gait analysis in children with cerebral palsy using foot-worn inertial sensors

Kamiar Aminian, Benoît Mariani

A child's natural gait pattern may be affected by the gait laboratory environment. Wearable devices using body-worn sensors have been developed for gait analysis. The purpose of this study was to validate and explore the use of foot-worn inertial sensors f ...

Elsevier2014

Suitability of commercial barometric pressure sensors to distinguish sitting and standing activities for wearable monitoring

Kamiar Aminian, Anisoara Ionescu, Julien Chardonnens, Fabien Massé, Alan Kevin Bourke

Despite its medical relevance, accurate recognition of sedentary (sitting and lying) and dynamic activities (e.g. standing and walking) remains challenging using a single wearable device. Currently, trunk-worn wearable systems can differentiate sitting fro ...

Elsevier2014

Recommendations for Standardizing Validation Procedures Assessing Physical Activity of Older Persons by Monitoring Body Postures and Movements

Kamiar Aminian

Physical activity is an important determinant of health and well-being in older persons and contributes to their social participation and quality of life. Hence, assessment tools are needed to study this physical activity in free-living conditions. Wearabl ...

Mdpi Ag2014

A wearable inertial system to assess the cervical spine mobility: comparison with an optoelectronic-based motion capture evaluation

Kamiar Aminian, Cyntia Duc

In clinical settings, the cervical range of motion (ROM) is commonly used to assess cervical spine function. This study aimed at assessing cervical spine mobility based on head and thorax kinematics measured with a wearable inertial system (WS). Sequences ...

Elsevier2014

A Wearable System for Multi-Segment Foot Kinetics Measurement

Kamiar Aminian, Julien Favre, Hossein Rouhani, Xavier Crevoisier

This study aims to design a wearable system for kinetics measurement of multi-segment foot joints in long-distance walking and to investigate its suitability for clinical evaluations. The wearable system consisted of inertial sensors (3D gyroscopes and 3D ...

Elsevier2014

Patellar kinematics after knee arthroplasty: experimental validation of a numerical model

Dominique Pioletti, Kamiar Aminian, Alexandre Terrier, Brigitte Jolles-Haeberli, Arash Arami, Adeliya Latypova

Subject-specific modelling of Total Knee Arthroplasty could be an efficient method to preoperatively evaluate surgical options. In particular, the question of the necessity of patellar resurfacing is still a debatable issue. The aim of this work was to val ...

2014

Stride count and frequency measured with a wrist-worn inertial sensor

Kamiar Aminian, Cyntia Duc, Benedikt Fasel

This study proposes three simple approaches to estimate the stride count and frequency during walking and running using an inertial measurement system on the wrist. The approaches were based on a time-domain, frequency-domain and autocorrelation analysis, ...

2014

Smart knee prosthesis kinematics estimation and validation in a robotic knee simulator

Kamiar Aminian, Arash Arami

In this work we present the smart knee prosthesis designed for in-vivo kinematics measurement and its validation in two knee simulators, i.e. a robotic knee simulator to provide realistic condition, and a manual simulator with more degrees of freedom. The ...

2014

Reference-Free Automated Magnetic Sensor Calibration for Angle Estimation in Smart Knee Prostheses

Kamiar Aminian, Arash Arami, Julien David Rechenmann

In this work, we present a method for automated calibration of an implanted anisotropic magnetoresistive (AMR) sensor for measuring the internal-external rotation (IE) in a prosthetic knee without using any reference measurement. The measurement system con ...

Institute of Electrical and Electronics Engineers2014

Evaluation of the muscular activity duration in shoulders with rotator cuff tear using inertial sensors and electromyography

Kamiar Aminian, Alain Farron, Cyntia Duc

Shoulder disorders, including rotator cuff tears, affect the shoulder function and result in adapted muscle activation. Although these adaptations have been studied in controlled conditions, free-living activities have not been investigated. Based on the k ...

Institute of Physics2014

Estimation of Front-Crawl Energy Expenditure Using Wearable Inertial Measurement Units

Kamiar Aminian, Farzin Dadashi, Grégoire Millet

Measurement of the energy expenditure is crucial to understand the biophysics of any kind of human locomotion. Despite the promising application of inertial measurement unit (IMU) for quantification of the energy expenditure during human on-land activities ...

Institute of Electrical and Electronics Engineers2014

Gait and Foot Clearance Parameters Obtained Using Shoe-Worn Inertial Sensors in a Large-Population Sample of Older Adults

Kamiar Aminian, Benoît Mariani, Farzin Dadashi

In order to distinguish dysfunctional gait; clinicians require a measure of reference gait parameters for each population. This study provided normative values for widely used parameters in more than 1400 able-bodied adults over the age of 65. We also meas ...

Mdpi Ag2014

A wearable system for monitoring the velocity variability in open water swimming and triathlon

Kamiar Aminian, Farzin Dadashi, Grégoire Millet

Pacing tactics in the swimming bout notably influences the overall triathlon performance. Besides, the swimming velocity affects the energy expenditure (EE). Based on our previous works to estimate the swimming velocity, here we propose a system to measure ...

2013

A Hidden Markov Model of the Breaststroke Swimming Temporal Phases Using Wearable Inertial Measurement Units

Kamiar Aminian, Farzin Dadashi, Arash Arami, Grégoire Millet, Florent Crettenand

The recent advances in wearable inertial sensors opened a new horizon for pervasive measurement of human locomotion even in aquatic environment. In this paper we proposed an automatic approach of detecting the key temporal events of breaststroke swimming a ...

Ieee2013

Inertial measurement unit and biomechanical analysis of swimming: an update

Kamiar Aminian, Farzin Dadashi, Grégoire Millet

The biomechanical analysis of swimming always faced impeding factors of measurement in the aquatic environment. Our current knowledge of swimming locomotion is very much owing to employing video cameras to capture the body kinematics. Nevertheless, the rec ...

2013

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