Publications de Kamiar Aminian

Association of Cut-point Free Metrics and Common Clinical Tests Among Older Adults After Proximal Femoral Fracture

Highlights What are the main findings? Clinical lower limb assessments (both subjective and objective) were more discriminative in differentiating between the four PFF recovery groups in older adults. Older adults in the acute proximal femoral fracture rec ...

MDPI2025

Normative Knee Range of Motion for Children

Kamiar Aminian

Children may suffer knee injuries due to motor vehicle crashes, sports, and falls. Additionally, children can suffer from rheumatic, neurological, musculoskeletal, and neuromuscular disorders which restrict joint movement. These types of injuries and disor ...

MDPI AG2025

Assessing real-world gait with digital technology? Validation, insights and recommendations from the Mobilise-D consortium (vol 20, 78, 2023) [Correction]

Kamiar Aminian, Anisoara Ionescu, Abolfazl Soltani

BioMed Central2024

Effects of physiotherapy and home-based training in parkinsonian syndromes: protocol for a randomised controlled trial (MobilityAPP)

Kamiar Aminian, Anisoara Ionescu

All rights reserved.Introduction Gait and mobility impairment are pivotal signs of parkinsonism, and they are particularly severe in atypical parkinsonian disorders including multiple system atrophy (MSA) and progressive supranuclear palsy (PSP). A pilot s ...

2024

Real-World Gait Detection Using a Wrist-Worn Inertial Sensor: Validation Study

Kamiar Aminian, Anisoara Ionescu, Abolfazl Soltani

. All rights reserved.Background: Wrist-worn inertial sensors are used in digital health for evaluating mobility in real-world environments. Preceding the estimation of spatiotemporal gait parameters within long-term recordings, gait detection is an import ...

2024

Mobilise-D insights to estimate real-world walking speed in multiple conditions with a wearable device

Kamiar Aminian, Anisoara Ionescu, Abolfazl Soltani

This study aimed to validate a wearable device's walking speed estimation pipeline, considering complexity, speed, and walking bout duration. The goal was to provide recommendations on the use of wearable devices for real-world mobility analysis. Participa ...

Nature Portfolio2024

Effects of multidisciplinary inpatient rehabilitation on everyday life physical activity and gait in patients with multiple sclerosis

Kamiar Aminian, Anisoara Ionescu, Gaëlle Prigent

Background Multiple sclerosis is a progressive neurological disease that affects the central nervous system, resulting in various symptoms. Among these, impaired mobility and fatigue stand out as the most prevalent. The progressive worsening of symptoms ad ...

BioMed Central2024

Body impact evaluation system and wearable measurement system therefor

Kamiar Aminian, Harshal Arun Sonar

A measurement system (3) for a wearable item (2) comprising a pressure sensing system including a plurality of capsule chambers (22) each filled with a fluid, and pressure sensors (28) connected to the capsule chambers configured to measure a variation in ...

2024

A protocol for obtaining upper and lower extremity joints’ range of motion in children using three-dimensional motion analysis system

Kamiar Aminian

Three-dimensional (3D) motion analysis (MA) techniques are progressively being used in biomechanics research and for clinical applications to assess the risk of injuries. A marker-based 3D MA protocol has been developed to measure the upper and lower extre ...

2024

Body impact evaluation system and wearable measurement system therefor

Kamiar Aminian, Harshal Arun Sonar

A measurement system for a wearable item comprising a capacitive pressure sensing system (5) including a plurality of capacitive sensors (6) comprising a deformable insulator layer (32a, 32b) and at least first and second electrodes (30a, 30b, 30c) on oppo ...

2024

ISB recommendations on the definition, estimation, and reporting of joint kinematics in human motion analysis applications using wearable inertial measurement technology

Kamiar Aminian

There is widespread and growing use of inertial measurement technology for human motion analysis in biomechanics and clinical research. Due to advancements in sensor miniaturization, inertial measurement units can be used to obtain a description of human b ...

2024

Combining accelerometry with allometry for estimating daily energy expenditure in joules when in-lab calibration is unavailable (vol 11, 29, 2023)

Kamiar Aminian, Pritish Chakravarty

BMC2023

Automatic Body Segment and Side Recognition of an Inertial Measurement Unit Sensor during Gait

Kamiar Aminian, Xavier Crevoisier, Robin Martin

Inertial measurement unit (IMU) sensors are widely used for motion analysis in sports and rehabilitation. The attachment of IMU sensors to predefined body segments and sides (left/right) is complex, time-consuming, and error-prone. Methods for solving the ...

MDPI2023

A wearable to assess knee joint integrity using non-contact acoustic sensors

Kamiar Aminian, David Atienza Alonso, Jérôme Paul Rémy Thevenot

A smart wearable (SW) for collecting data on an integrity of a joint of a wearer, the wearable including a first frame (1) configured to be attached in proximity of the joint of the wearer, the frame (1) including an elastic sensor frame (3) having an open ...

2023

Characterization of gait profiles in patients with atypical parkinsonian syndromes

Kamiar Aminian

Hoboken2023

Combining accelerometry with allometry for estimating daily energy expenditure in joules when in-lab calibration is unavailable

Kamiar Aminian, Pritish Chakravarty

Background All behaviour requires energy, and measuring energy expenditure in standard units (joules) is key to linking behaviour to ecological processes. Animal-borne accelerometers are commonly used to infer proxies of energy expenditure, termed 'dynamic ...

BMC2023

Assessing real-world gait with digital technology? Validation, insights and recommendations from the Mobilise-D consortium

Kamiar Aminian, Anisoara Ionescu, Abolfazl Soltani, Francesca Salis

Background: Although digital mobility outcomes (DMOs) can be readily calculated from real-world data collected with wearable devices and ad-hoc algorithms, technical validation is still required. The aim of this paper is to comparatively assess and validat ...

BioMed Central2023

Ecological validity of a deep learning algorithm to detect gait events from real-life walking bouts in mobility-limiting diseases

Kamiar Aminian, Anisoara Ionescu, Abolfazl Soltani

Introduction: The clinical assessment of mobility, and walking specifically, is still mainly based on functional tests that lack ecological validity. Thanks to inertial measurement units (IMUs), gait analysis is shifting to unsupervised monitoring in natur ...

Frontiers Media Sa2023

From high-resolution time series to a single, clinically-interpretable value - considerations for the aggregation of real world walking speed assessed by wearable sensors in patients with chronic obstructive pulmonary disease (COPD)

Kamiar Aminian, Anisoara Ionescu

European Respiratory Soc Journals Ltd2023

Vertical and Leg Stiffness Modeling During Running: Effect of Speed and Incline

Kamiar Aminian, Frédéric Meyer, Grégoire Millet, Mathieu Pascal Falbriard

A spring mass model is often used to describe human running, allowing to understand the concept of elastic energy storage and restitution. The stiffness of the spring is a key parameter and different methods have been developed to estimate both the vertica ...

GEORG THIEME VERLAG KG2023