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Papers by Patrick Carqueville

Research paper thumbnail of Mechatronic Ski Binding

Research paper thumbnail of Muscular Fatigue and Quadriceps-to-Hamstring Ratio in Alpine Skiing in Women over 40 Years

International Journal of Environmental Research and Public Health, Apr 12, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Towards Quantifying Movements in Qigong

Research paper thumbnail of Acquisition of Lower-Limb Motion Characteristics with a Single Inertial Measurement Unit—Validation for Use in Physiotherapy

Diagnostics, Jul 5, 2022

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Measuring Pressure in Different Layers of the Ski Boot to Estimate Skiing Movements

A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing ma... more A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing manoeuvres, and external loads on the foot. This information may be used for research, in consumer products or for intelligent safety systems like a mechatronic ski binding. To investigate the optimal placement of pressure sensors with respect to the foot and the number of sensors needed to detect six pre-defined loading conditions, three pressure sensor systems were developed measuring the pressure in three respective layers: between foot and sock, sock and liner, liner and shell. The prototypes were evaluated in a laboratory test. The participant performed a series of six simulated ski manoeuvres each held for 5 seconds. In this pilot test the system sock / liner shows the best overall performance due to pressure curves in the mid-range of the sensor characteristics. Though, with an optimized sensor design a measurement boot with sensors between inner boot and shell may be possible, which would increase the robustness of the system needed for a future customer product. As a result of this study, a recommendation for sensor positions for the determination of the loading conditions in alpine skiing is given.

Research paper thumbnail of Muscular Fatigue and Quadriceps-to-Hamstring Ratio in Alpine Skiing in Women over 40 Years

International Journal of Environmental Research and Public Health, Apr 12, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Measuring Skiing Speed – Possibilities of Machine Learning

Research paper thumbnail of Towards Quantifying Movements in Qigong

Research paper thumbnail of A Fuzzy Controller Design for a Mechatronic Ski Binding

Research paper thumbnail of Acquisition of Lower-Limb Motion Characteristics with a Single Inertial Measurement Unit—Validation for Use in Physiotherapy

Diagnostics

In physiotherapy, there is still a lack of practical measurement options to track the progress of... more In physiotherapy, there is still a lack of practical measurement options to track the progress of therapy or rehabilitation following injuries to the lower limbs objectively and reproducibly yet simply and with minimal effort and time. We aim at filling this gap with the design of an IMU (inertial measurement unit) system with only one sensor placed on the tibia edge. In our study, the IMU system evaluated a set of 10 motion tests by a score value for each test and stored them in a database for a more reliable longitudinal assessment of the progress. The sensor analyzed the different motion patterns and obtained characteristic physiological parameters, such as angle ranges, and spatial and angular displacements, such as knee valgus under load. The scores represent the patient’s coordination, stability, strength and speed. To validate the IMU system, these scores were compared to corresponding values from a simultaneously recorded marker-based 3D video motion analysis of the measurem...

Research paper thumbnail of Measuring Pressure in Different Layers of the Ski Boot to Estimate Skiing Movements

Proceedings of the 9th International Conference on Sport Sciences Research and Technology Support, 2021

A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing ma... more A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing manoeuvres, and external loads on the foot. This information may be used for research, in consumer products or for intelligent safety systems like a mechatronic ski binding. To investigate the optimal placement of pressure sensors with respect to the foot and the number of sensors needed to detect six pre-defined loading conditions, three pressure sensor systems were developed measuring the pressure in three respective layers: between foot and sock, sock and liner, liner and shell. The prototypes were evaluated in a laboratory test. The participant performed a series of six simulated ski manoeuvres each held for 5 seconds. In this pilot test the system sock / liner shows the best overall performance due to pressure curves in the mid-range of the sensor characteristics. Though, with an optimized sensor design a measurement boot with sensors between inner boot and shell may be possible, which would increase the robustness of the system needed for a future customer product. As a result of this study, a recommendation for sensor positions for the determination of the loading conditions in alpine skiing is given.

Research paper thumbnail of Mechatronic Ski Binding

Research paper thumbnail of Muscular Fatigue and Quadriceps-to-Hamstring Ratio in Alpine Skiing in Women over 40 Years

International Journal of Environmental Research and Public Health, Apr 12, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Towards Quantifying Movements in Qigong

Research paper thumbnail of Acquisition of Lower-Limb Motion Characteristics with a Single Inertial Measurement Unit—Validation for Use in Physiotherapy

Diagnostics, Jul 5, 2022

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Measuring Pressure in Different Layers of the Ski Boot to Estimate Skiing Movements

A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing ma... more A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing manoeuvres, and external loads on the foot. This information may be used for research, in consumer products or for intelligent safety systems like a mechatronic ski binding. To investigate the optimal placement of pressure sensors with respect to the foot and the number of sensors needed to detect six pre-defined loading conditions, three pressure sensor systems were developed measuring the pressure in three respective layers: between foot and sock, sock and liner, liner and shell. The prototypes were evaluated in a laboratory test. The participant performed a series of six simulated ski manoeuvres each held for 5 seconds. In this pilot test the system sock / liner shows the best overall performance due to pressure curves in the mid-range of the sensor characteristics. Though, with an optimized sensor design a measurement boot with sensors between inner boot and shell may be possible, which would increase the robustness of the system needed for a future customer product. As a result of this study, a recommendation for sensor positions for the determination of the loading conditions in alpine skiing is given.

Research paper thumbnail of Muscular Fatigue and Quadriceps-to-Hamstring Ratio in Alpine Skiing in Women over 40 Years

International Journal of Environmental Research and Public Health, Apr 12, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Research paper thumbnail of Measuring Skiing Speed – Possibilities of Machine Learning

Research paper thumbnail of Towards Quantifying Movements in Qigong

Research paper thumbnail of A Fuzzy Controller Design for a Mechatronic Ski Binding

Research paper thumbnail of Acquisition of Lower-Limb Motion Characteristics with a Single Inertial Measurement Unit—Validation for Use in Physiotherapy

Diagnostics

In physiotherapy, there is still a lack of practical measurement options to track the progress of... more In physiotherapy, there is still a lack of practical measurement options to track the progress of therapy or rehabilitation following injuries to the lower limbs objectively and reproducibly yet simply and with minimal effort and time. We aim at filling this gap with the design of an IMU (inertial measurement unit) system with only one sensor placed on the tibia edge. In our study, the IMU system evaluated a set of 10 motion tests by a score value for each test and stored them in a database for a more reliable longitudinal assessment of the progress. The sensor analyzed the different motion patterns and obtained characteristic physiological parameters, such as angle ranges, and spatial and angular displacements, such as knee valgus under load. The scores represent the patient’s coordination, stability, strength and speed. To validate the IMU system, these scores were compared to corresponding values from a simultaneously recorded marker-based 3D video motion analysis of the measurem...

Research paper thumbnail of Measuring Pressure in Different Layers of the Ski Boot to Estimate Skiing Movements

Proceedings of the 9th International Conference on Sport Sciences Research and Technology Support, 2021

A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing ma... more A pressure sensing measurement ski boot or sock would allow to estimate body positions, skiing manoeuvres, and external loads on the foot. This information may be used for research, in consumer products or for intelligent safety systems like a mechatronic ski binding. To investigate the optimal placement of pressure sensors with respect to the foot and the number of sensors needed to detect six pre-defined loading conditions, three pressure sensor systems were developed measuring the pressure in three respective layers: between foot and sock, sock and liner, liner and shell. The prototypes were evaluated in a laboratory test. The participant performed a series of six simulated ski manoeuvres each held for 5 seconds. In this pilot test the system sock / liner shows the best overall performance due to pressure curves in the mid-range of the sensor characteristics. Though, with an optimized sensor design a measurement boot with sensors between inner boot and shell may be possible, which would increase the robustness of the system needed for a future customer product. As a result of this study, a recommendation for sensor positions for the determination of the loading conditions in alpine skiing is given.