Publications by Mathieu Pascal Falbriard

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

Estimation of horizontal running power using foot-worn inertial measurement units

Kamiar Aminian, Mathieu Pascal Falbriard, Salil Apte

Feedback of power during running is a promising tool for training and determining pacing strategies. However, current power estimation methods show low validity and are not customized for running on different slopes. To address this issue, we developed thr ...

FRONTIERS MEDIA SA2023

Correspondence Between Values of Vertical Loading Rate and Oxygen Consumption During Inclined Running

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

Purpose: The aim of this study was to provide a theoretical model to predict the vertical loading rate (VLR) at different slopes and speeds during incline running. ...

SPRINGER2022

A functional approach towards the design, development, and test of an affordable dynamic prosthetic foot

Joël Cugnoni, Klaus Benedikt Schönenberger, Kamiar Aminian, John Botsis, Véronique Michaud, Mathieu Pascal Falbriard, Rajasundar Chandran

Humanitarian actors involved in physical rehabilitation, such as the International Committee of the Red Cross (ICRC), usually provide their beneficiaries with lower-limb prostheses comprising Solid Ankle Cushion Heel (SACH) feet as these are considered app ...

PUBLIC LIBRARY SCIENCE2022

Running Speed Estimation Using Shoe-Worn Inertial Sensors: Direct Integration, Linear, and Personalized Model

Kamiar Aminian, Mathieu Pascal Falbriard, Abolfazl Soltani

The overground speed is a key component of running analysis. Today, most speed estimation wearable systems are based on GNSS technology. However, these devices can suffer from sparse communication with the satellites and have a high-power consumption. In t ...

2021

Continuous Analysis of Marathon Running Using Inertial Sensors: Hitting Two Walls?

Kamiar Aminian, Benoît Mariani, Mathieu Pascal Falbriard

Marathon running involves complex mechanisms that cannot be measured with objective metrics or laboratory equipment. The emergence of wearable sensors introduced new opportunities, allowing the continuous recording of relevant parameters. The present study ...

GEORG THIEME VERLAG KG2021

Indirect Estimation of Breathing Rate from Heart Rate Monitoring System during Running

Kamiar Aminian, Jean-Marc Vesin, Anisoara Ionescu, Mathieu Pascal Falbriard, Gaëlle Prigent

Recent advances in wearable technologies integrating multi-modal sensors have enabled the in-field monitoring of several physiological metrics. In sport applications, wearable devices have been widely used to improve performance while minimizing the risk o ...

MDPI2021

Drift-Free Foot Orientation Estimation in Running Using Wearable IMU

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

This study aimed to introduce and validate a new method to estimate and correct the orientation drift measured from foot-worn inertial sensors. A modified strap-down integration (MSDI) was proposed to decrease the orientation drift, which, in turn, was fur ...

2020

Assessment of Real-World Running With Lab-Validated Algorithms Based on Foot-Worn Inertial Sensors

Mathieu Pascal Falbriard

Following the cultural revolution of the late 1960s, the number of elite and recreational runners rose consistently, reaching approximately 7.9 million road races participants in 2018. Today, running is everywhere. City parks, forests, mountain trails, and ...

EPFL2020

Reply to Comments: Hurdle Clearance Detection and Spatiotemporal Analysis in 400 Meters Hurdles Races Using Shoe-Mounted Magnetic and Inertial Sensor

Kamiar Aminian, Mathieu Pascal Falbriard

2020

Changes in spatio-temporal gait parameters and vertical speed during an extreme mountain ultra-marathon

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

The aim of the present study was to investigate the effects of altitude and distance on uphill vertical speed (VS) and the main spatio-temporal gait parameters during an extreme mountain ultra-marathon. The VS, stride height (SH) and stride frequency (SF) ...

TAYLOR & FRANCIS LTD2020

Hurdle Clearance Detection and Spatiotemporal Analysis in 400 Meters Hurdles Races Using Shoe-Mounted Magnetic and Inertial Sensors

Kamiar Aminian, Mathieu Pascal Falbriard

This research aimed to determine whether: (1) shoe-worn magnetic and inertial sensors can be used to detect hurdle clearance and identify the leading leg in 400-m hurdles, and (2) to provide an analysis of the hurdlers’ spatiotemporal parameters in the int ...

2020

Integration of Wearable Sensors Into the Evaluation of Running Economy and Foot Mechanics in Elite Runners (vol 17, pg 480, 2018)

Benoît Mariani, Mathieu Pascal Falbriard

LIPPINCOTT WILLIAMS & WILKINS2019

Integration of Wearable Sensors Into the Evaluation of Running Economy and Foot Mechanics in Elite Runners

Benoît Mariani, Mathieu Pascal Falbriard

Running economy, known as the steady-state oxygen consumption at a given submaximal intensity, has been proposed as one of the key factors differentiating East African runners from other running communities around the world. Kenyan runners have dominated m ...

LIPPINCOTT WILLIAMS & WILKINS2018

Mathieu Pascal Falbriard

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

Estimation of horizontal running power using foot-worn inertial measurement units

Correspondence Between Values of Vertical Loading Rate and Oxygen Consumption During Inclined Running

A functional approach towards the design, development, and test of an affordable dynamic prosthetic foot

Running Speed Estimation Using Shoe-Worn Inertial Sensors: Direct Integration, Linear, and Personalized Model

Continuous Analysis of Marathon Running Using Inertial Sensors: Hitting Two Walls?

Indirect Estimation of Breathing Rate from Heart Rate Monitoring System during Running

Drift-Free Foot Orientation Estimation in Running Using Wearable IMU

Assessment of Real-World Running With Lab-Validated Algorithms Based on Foot-Worn Inertial Sensors

Reply to Comments: Hurdle Clearance Detection and Spatiotemporal Analysis in 400 Meters Hurdles Races Using Shoe-Mounted Magnetic and Inertial Sensor

Changes in spatio-temporal gait parameters and vertical speed during an extreme mountain ultra-marathon

Hurdle Clearance Detection and Spatiotemporal Analysis in 400 Meters Hurdles Races Using Shoe-Mounted Magnetic and Inertial Sensors

Integration of Wearable Sensors Into the Evaluation of Running Economy and Foot Mechanics in Elite Runners (vol 17, pg 480, 2018)

Integration of Wearable Sensors Into the Evaluation of Running Economy and Foot Mechanics in Elite Runners

Accurate Estimation of Running Temporal Parameters Using Foot-Worn Inertial Sensors

IMU and GNSS-based turn switch detection in alpine ski racing

A ski racer's turn cycle structure depends on slope inclination, speed and gate off-set