André Seyfarth
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View article: Recruitment of mechanics and motor control in human hopping, discovered by stance phase ground-level downward perturbations
Recruitment of mechanics and motor control in human hopping, discovered by stance phase ground-level downward perturbations Open
This study aims to enhance our understanding of human locomotion’s adaptability to ground-level downward perturbations, focusing on hopping at preferred frequencies. By categorizing perturbations into early (ESP), mid (MSP), and late (LSP)…
View article: The Effects of Imagination on Performance in Ballet: A Case Study
The Effects of Imagination on Performance in Ballet: A Case Study Open
Mental images such as foci of attention can significantly enhance the quality of movements, providing a positive effect on human performance, e.g., in dancers or athletes. Thirteen participants (height = 161 ± 13 cm, mass = 46.4 ± 17.3 kg,…
View article: Muscular responses to upper body mediolateral angular momentum perturbations during overground walking
Muscular responses to upper body mediolateral angular momentum perturbations during overground walking Open
Adaptive motor control and seamless coordination of muscle actions in response to external perturbations are crucial to maintaining balance during bipedal locomotion. There is an ongoing debate about the specific roles of individual muscle…
View article: Design optimization platform for assistive wearable devices applied to a knee damper exoskeleton
Design optimization platform for assistive wearable devices applied to a knee damper exoskeleton Open
Designing optimal assistive wearable devices is a complex task, often addressed using human-in-the-loop optimization and biomechanical modeling approaches. However, as the number of design parameters increases, the growing complexity and d…
View article: Balance recovery schemes following mediolateral gyroscopic moment perturbations during walking
Balance recovery schemes following mediolateral gyroscopic moment perturbations during walking Open
Maintaining balance during human walking hinges on the exquisite orchestration of whole-body angular momentum (WBAM). This study delves into the regulation of WBAM during gait by examining balance strategies in response to upper-body momen…
View article: 3D ground reaction force data of walking individuals crossing the vibration-prone experimental pedestrian bridge HUMVIB, Darmstadt, Germany
3D ground reaction force data of walking individuals crossing the vibration-prone experimental pedestrian bridge HUMVIB, Darmstadt, Germany Open
This data set is obtained within the framework of the DFG research project HUMVIB (Project number 446124066) to investigate human-induced vibrations and human-structure interaction on pedestrian bridges. In total, a set of data from 26 sub…
View article: Exploring the control of whole-body angular momentum in young and elderly based on the virtual pivot point concept
Exploring the control of whole-body angular momentum in young and elderly based on the virtual pivot point concept Open
While walking, ground reaction forces point from the centre of pressure to the neighbourhood of a focal point, namely the virtual pivot point (VPP), that adjusts angular momentum around the centre of mass (CoM). This study explores how age…
View article: Walking on Virtual Surface Patterns Leads to Changed Control Strategies
Walking on Virtual Surface Patterns Leads to Changed Control Strategies Open
Inclusive design does not stop at removing physical obstacles such as staircases. It also involves identifying architectural features that impose sensory burdens, such as repetitive visual patterns that are known to potentially cause dizzi…
View article: Exciting Action: Investigating Efficient Exploration for Learning Musculoskeletal Humanoid Locomotion
Exciting Action: Investigating Efficient Exploration for Learning Musculoskeletal Humanoid Locomotion Open
Learning a locomotion controller for a musculoskeletal system is challenging due to over-actuation and high-dimensional action space. While many reinforcement learning methods attempt to address this issue, they often struggle to learn hum…
View article: 3D-Printed Piezoelectric PLA-Based Insole for Event Detection in Gait Analysis
3D-Printed Piezoelectric PLA-Based Insole for Event Detection in Gait Analysis Open
Detecting human movement is crucial for the control of lower limb wearable robotics designed to assist daily activities or rehabilitation tasks. Sensorized insoles present a viable option for extracting control inputs, such as gait events …
View article: The import of skin tissue dynamics in tactile sensing
The import of skin tissue dynamics in tactile sensing Open
The mammalian skin is a densely innervated soft tissue where neural mechanoreceptors embedded in the skin report to the brain the mechanical events arising at its surface. Up to now, models of the transformations of these events into neura…
View article: Role of compliant mechanics and motor control in hopping - from human to robot
Role of compliant mechanics and motor control in hopping - from human to robot Open
Compliant leg function found during bouncy gaits in humans and animals can be considered a role model for designing and controlling bioinspired robots and assistive devices. The human musculoskeletal design and control differ from distal t…
View article: Design of Low-Cost Modular Bio-Inspired Electric–Pneumatic Actuator (EPA)-Driven Legged Robots
Design of Low-Cost Modular Bio-Inspired Electric–Pneumatic Actuator (EPA)-Driven Legged Robots Open
Exploring the fundamental mechanisms of locomotion extends beyond mere simulation and modeling. It necessitates the utilization of physical test benches to validate hypotheses regarding real-world applications of locomotion. This study int…
View article: Design of Low-Cost Modular Bioinspired Electric-Pneumatic Actuator (EPA) Driven Legged Robots
Design of Low-Cost Modular Bioinspired Electric-Pneumatic Actuator (EPA) Driven Legged Robots Open
Exploring the fundamental mechanisms of locomotion extends beyond mere simulation and modeling. It necessitates the utilization of physical test benches to validate hypotheses regarding real-world applications of locomotion. This study int…
View article: Mediolateral Upper-body Gyroscopic Moment Perturbations During Walking: Exploring Muscle Activation Patterns and Control Strategies
Mediolateral Upper-body Gyroscopic Moment Perturbations During Walking: Exploring Muscle Activation Patterns and Control Strategies Open
Adaptive motor control and seamless coordination of muscle actions in response to external perturbations are crucial to maintaining balance during bipedal locomotion. There is an ongoing debate about the specific roles of individual muscle…
View article: Walking on Virtual Surface Patterns Changes Muscular Activity
Walking on Virtual Surface Patterns Changes Muscular Activity Open
Current designs of structures often involve creative uses of materials and colours. While it is well known that patients with balance related disorders can experience negative effects through perceptual perturbations, the connection from t…
View article: 3D ground reaction force data of walking individuals crossing the vibration-prone experimental pedestrian bridge HUMVIB, Darmstadt, Germany
3D ground reaction force data of walking individuals crossing the vibration-prone experimental pedestrian bridge HUMVIB, Darmstadt, Germany Open
This data set is obtained within the framework of the DFG research project HUMVIB (Project number 446124066) to investigate human-induced vibrations and human-structure interaction on pedestrian bridges. In total, a set of data from 26 sub…
View article: 3D ground reaction force data of walking individuals crossing the vibration-prone experimental pedestrian bridge HUMVIB, Darmstadt, Germany
3D ground reaction force data of walking individuals crossing the vibration-prone experimental pedestrian bridge HUMVIB, Darmstadt, Germany Open
This data set is obtained within the framework of the DFG research project HUMVIB (Project number 446124066) to investigate human-induced vibrations and human-structure interaction on pedestrian bridges. In total, a set of data from 26 sub…
View article: Biomechanical models in the lower-limb exoskeletons development: A review
Biomechanical models in the lower-limb exoskeletons development: A review Open
A comprehensive review of the applications of the biomechanical gait models in the development of lower-limb exoskeletons.
View article: Biomechanical models in the lower-limb exoskeletons development: A review
Biomechanical models in the lower-limb exoskeletons development: A review Open
A comprehensive review of the applications of the biomechanical gait models in the development of lower-limb exoskeletons.
View article: Bioinspired Design and Control of BATEX, An Exosuit With Biarticular Compliant Actuators
Bioinspired Design and Control of BATEX, An Exosuit With Biarticular Compliant Actuators Open
sponsorship: This work was supported in part by the German Research Foundation (DFG) within EPA-2 Project under Grant AH307/4-1 and Grant SE1042/42-1.& nbsp;& nbsp; (German Research Foundation (DFG)|AH307/4-1, German Research Foundation (D…
View article: Exploring the effects of serial and parallel elasticity on a hopping robot
Exploring the effects of serial and parallel elasticity on a hopping robot Open
The interaction between the motor control and the morphological design of the human leg is critical for generating efficient and robust locomotion. In this paper, we focus on exploring the effects of the serial and parallel elasticity on h…
View article: TEACHING WITH TINY ARTICLES AS AN APPROACH TO STIMULATE TRUSTFUL AND COOPERATIVE LEARNING
TEACHING WITH TINY ARTICLES AS AN APPROACH TO STIMULATE TRUSTFUL AND COOPERATIVE LEARNING Open
"The current Corona crises demonstrates the challenge of a fruitful and trustful learning dynamics among people with largely varying backgrounds. The dynamics may easily lead to separating people into groups with attributed properties whic…
View article: Whole Body Coordination for Self-Assistance in Locomotion
Whole Body Coordination for Self-Assistance in Locomotion Open
The dynamics of the human body can be described by the accelerations and masses of the different body parts (e.g., legs, arm, trunk). These body parts can exhibit specific coordination patterns with each other. In human walking, we found t…
View article: Bioinspired Legged Robot Design via Blended Physical and Virtual Impedance Control
Bioinspired Legged Robot Design via Blended Physical and Virtual Impedance Control Open
In order to approach the performance of biological locomotion in legged robots, better integration between body design and control is required. In that respect, understanding the mechanics and control of human locomotion will help us build…
View article: The Import of Skin Tissue Dynamics in Tactile Sensing
The Import of Skin Tissue Dynamics in Tactile Sensing Open
The mammalian skin is a densely innervated soft tissue where embedded neural mechanoreceptors report to the brain the mechanical events arising at its surface. Up to now, models of the transformations of these events into neural signals re…