Sebastian Böhm
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View article: Soleus Muscle Stiffness is Regulated by Scaled Activation to Manage Unpredictable and Predictable Walking Perturbations
Soleus Muscle Stiffness is Regulated by Scaled Activation to Manage Unpredictable and Predictable Walking Perturbations Open
During unexpected drop-like gait perturbations, the body’s center of mass (CoM) energy must be absorbed reactively by the leg muscles, challenging muscle–tendon unit (MTU) function and body stability. Anticipation and prior experience may …
View article: Functional Trade-Offs of Regulatory Mechanisms in the Management of Body Energy, Frontal Plane Angular Momentum and Mediolateral Margin of Stability During Hole Negotiation Gait
Functional Trade-Offs of Regulatory Mechanisms in the Management of Body Energy, Frontal Plane Angular Momentum and Mediolateral Margin of Stability During Hole Negotiation Gait Open
The functional interaction of regulatory mechanisms that manage total centre of mass (CoM) energy, frontal plane whole-body angular momentum and mediolateral margin of stability (MoS) during hole negotiation gait was investigated. Joint ki…
View article: Soleus muscle stiffness is regulated by scaled activation to manage unpredictable and predictable walking perturbations
Soleus muscle stiffness is regulated by scaled activation to manage unpredictable and predictable walking perturbations Open
During unexpected drop-like gait perturbations, the body centre of mass (CoM) energy must be absorbed reactively by the lower leg muscles, challenging muscle-tendon unit (MTU) function and body stability. Anticipation and prior experience …
View article: Functional trade-offs of regulatory mechanisms in the management of body energy, frontal plane angular momentum, and mediolateral margin of stability during hole negotiation gait
Functional trade-offs of regulatory mechanisms in the management of body energy, frontal plane angular momentum, and mediolateral margin of stability during hole negotiation gait Open
The functional interaction of regulatory mechanisms that manage total centre of mass (CoM) energy, frontal plane angular momentum and mediolateral margin of stability (MoS) during hole negotiation gait was investigated. Joint kinematics, l…
View article: Biarticular gastrocnemii muscles increase their joint energy transfer potential at high running speeds
Biarticular gastrocnemii muscles increase their joint energy transfer potential at high running speeds Open
The involvement of energy transfer mechanisms between the ankle and the knee joint by the biarticular gastrocnemii muscles at high running speeds is currently unknown. During running at seven speeds (3.0–8.5 m s −1 ), the ankle and knee jo…
View article: Postural control of sway dynamics on an unstable surface reduces similarity in activation patterns of synergistic lower leg muscles
Postural control of sway dynamics on an unstable surface reduces similarity in activation patterns of synergistic lower leg muscles Open
Introduction Diversity of activation patterns within synergistic muscles can be important for stability control in challenging conditions. This study investigates the similarity of activation patterns within the triceps surae and quadricep…
View article: A Personalized Muscle–Tendon Assessment and Exercise Prescription Concept Reduces Muscle–Tendon Imbalances in Female Adolescent Athletes
A Personalized Muscle–Tendon Assessment and Exercise Prescription Concept Reduces Muscle–Tendon Imbalances in Female Adolescent Athletes Open
Background Imbalances between muscle strength and tendon stiffness influence the mechanical demand on the tendon (i.e., tendon strain) and may increase tendon injury risk. The purpose of this study was to identify muscle–tendon imbalances …
View article: Spatiotemporal modulation of a common set of muscle synergies during unpredictable and predictable gait perturbations in older adults
Spatiotemporal modulation of a common set of muscle synergies during unpredictable and predictable gait perturbations in older adults Open
Muscle synergies as functional low-dimensional building blocks of the neuromotor system regulate the activation patterns of muscle groups in a modular structure during locomotion. The purpose of the current study was to explore how older a…
View article: Assessment and modelling of the activation‐dependent shift in optimal length of the human soleus muscle <i>in vivo</i>
Assessment and modelling of the activation‐dependent shift in optimal length of the human soleus muscle <i>in vivo</i> Open
Previous in vitro and in situ studies have reported a shift in optimal muscle fibre length for force generation ( L 0 ) towards longer length at decreasing activation levels (also referred to as length‐dependent activation), yet the releva…
View article: Personalized tendon loading reduces muscle‐tendon imbalances in male adolescent elite athletes
Personalized tendon loading reduces muscle‐tendon imbalances in male adolescent elite athletes Open
An imbalanced adaptation of muscle strength and tendon stiffness in response to training may increase tendon strain (i.e., the mechanical demand on the tendon) and consequently tendon injury risk. This study investigated if personalized te…
View article: Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed
Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed Open
The soleus is the main muscle for propulsion during human running but its operating behavior across the spectrum of physiological running speeds is currently unknown. This study experimentally investigated the soleus muscle activation patt…
View article: Effect of sex on muscle–tendon imbalances and tendon micromorphology in adolescent athletes—A longitudinal consideration
Effect of sex on muscle–tendon imbalances and tendon micromorphology in adolescent athletes—A longitudinal consideration Open
Imbalances between muscle strength and tendon stiffness may cause high‐level tendon strain during maximum effort muscle contractions and lead to tendon structural impairments and an increased risk for tendinopathy in adolescent athletes. H…
View article: Longitudinal Evidence for High-Level Patellar Tendon Strain as a Risk Factor for Tendinopathy in Adolescent Athletes
Longitudinal Evidence for High-Level Patellar Tendon Strain as a Risk Factor for Tendinopathy in Adolescent Athletes Open
Background High tendon strain leads to sub-rupture fatigue damage and net-catabolic signaling upon repetitive loading. While high levels of tendon strain occur in adolescent athletes at risk for tendinopathy, a direct association has not y…
View article: Biarticular mechanisms of the gastrocnemii muscles enhance ankle mechanical power and work during running
Biarticular mechanisms of the gastrocnemii muscles enhance ankle mechanical power and work during running Open
The objective of the study was to explore how biarticular mechanisms of the gastrocnemii muscles may provide an important energy source for power and work at the ankle joint with increasing running speed. Achilles tendon force was quantifi…
View article: Contractile Work of the Soleus and Biarticular Mechanisms of the Gastrocnemii Muscles Increase the Net Ankle Mechanical Work at High Walking Speeds
Contractile Work of the Soleus and Biarticular Mechanisms of the Gastrocnemii Muscles Increase the Net Ankle Mechanical Work at High Walking Speeds Open
Increasing walking speed is accompanied by an increase of the mechanical power and work performed at the ankle joint despite the decrease of the intrinsic muscle force potential of the soleus (Sol) and gastrocnemius medialis (GM) muscles. …
View article: Spatiotemporal modulation of a fixed set of muscle synergies during unpredictable and predictable gait perturbations in older adults
Spatiotemporal modulation of a fixed set of muscle synergies during unpredictable and predictable gait perturbations in older adults Open
Muscle synergies as functional low-dimensional building blocks of the neuromotor system regulate the activation patterns of muscle groups in a modular structure during locomotion. The purpose of the current study was to explore how older a…
View article: Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed
Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed Open
The soleus is the main muscle for propulsion during human running but its operating behavior across the spectrum of physiological running speed is currently unknown. This study investigated experimentally the soleus muscle activation patte…
View article: In Achilles Tendinopathy the Symptomatic Tendon Differs from the Asymptomatic Tendon While Exercise Therapy Has Little Effect on Asymmetries—An Ancillary Analysis of Data from a Controlled Clinical Trial
In Achilles Tendinopathy the Symptomatic Tendon Differs from the Asymptomatic Tendon While Exercise Therapy Has Little Effect on Asymmetries—An Ancillary Analysis of Data from a Controlled Clinical Trial Open
Background: As inter-limb asymmetries can be associated with higher injury risk, we aimed to investigate their role in Achilles tendinopathy patients. Methods: In Achilles tendinopathy patients (n = 41), we assessed inter-limb asymmetries …
View article: Contractile work and biarticular mechanisms of the triceps surae muscles facilitate net ankle mechanical work at high walking speeds
Contractile work and biarticular mechanisms of the triceps surae muscles facilitate net ankle mechanical work at high walking speeds Open
All the data are stored in a MATLAB structure format. Slow walk = walking at 0.7 m/s Normal walk = walking at 1.4 m/s walk seven = walking at 2.5 m/s walk max = walking at 2.6 +- 0.3 m/s all_ime_result3 = the results of the linear mixed …
View article: Data_Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed
Data_Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed Open
Data set for the manuscript: Speed-specific optimal contractile conditions of the human soleus muscle from slow to maximum running speed
View article: Contractile work and biarticular mechanisms of the triceps surae muscles facilitate net ankle mechanical work at high walking speeds
Contractile work and biarticular mechanisms of the triceps surae muscles facilitate net ankle mechanical work at high walking speeds Open
All the data are stored in a MATLAB structure format. Slow walk = walking at 0.7 m/s Normal walk = walking at 1.4 m/s walk seven = walking at 2.5 m/s walk max = walking at 2.6 +- 0.3 m/s all_ime_result3 = the results of the linear mixed …
View article: Case report: Immunovirotherapy as a novel add-on treatment in a patient with thoracic NUT carcinoma
Case report: Immunovirotherapy as a novel add-on treatment in a patient with thoracic NUT carcinoma Open
NUT carcinoma (NC) is a rare and extremely aggressive form of cancer, usually presenting with intrathoracic or neck manifestations in adolescents and young adults. With no established standard therapy regimen and a median overall survival …
View article: Contractile work and biarticular mechanisms of the triceps surae muscles facilitate net ankle mechanical work at high walking speeds
Contractile work and biarticular mechanisms of the triceps surae muscles facilitate net ankle mechanical work at high walking speeds Open
Increasing walking speed is accompanied by an enhancement of the mechanical power and work performed at the ankle joint despite the decrease of the intrinsic muscle force potential. We measured Achilles tendon (AT) elongation and, based on…