[HTML][HTML] Evaluation of direct collocation optimal control problem formulations for solving the muscle redundancy problem
Estimation of muscle forces during motion involves solving an indeterminate problem (more
unknown muscle forces than joint moment constraints), frequently via optimization methods …
unknown muscle forces than joint moment constraints), frequently via optimization methods …
[HTML][HTML] Simulating ideal assistive devices to reduce the metabolic cost of running
Tools have been used for millions of years to augment the capabilities of the human body,
allowing us to accomplish tasks that would otherwise be difficult or impossible. Powered …
allowing us to accomplish tasks that would otherwise be difficult or impossible. Powered …
Estimation of musculotendon parameters for scaled and subject specific musculoskeletal models using an optimization technique
A challenging aspect of subject specific musculoskeletal modeling is the estimation of
muscle parameters, especially optimal fiber length and tendon slack length. In this study, the …
muscle parameters, especially optimal fiber length and tendon slack length. In this study, the …
[HTML][HTML] Stretching your energetic budget: how tendon compliance affects the metabolic cost of running
Muscles attach to bones via tendons that stretch and recoil, affecting muscle force
generation and metabolic energy consumption. In this study, we investigated the effect of …
generation and metabolic energy consumption. In this study, we investigated the effect of …
[HTML][HTML] Muscle synergies facilitate computational prediction of subject-specific walking motions
Researchers have explored a variety of neurorehabilitation approaches to restore normal
walking function following a stroke. However, there is currently no objective means for …
walking function following a stroke. However, there is currently no objective means for …
The influence of component alignment and ligament properties on tibiofemoral contact forces in total knee replacement
The study objective was to investigate the influence of coronal plane alignment and ligament
properties on total knee replacement (TKR) contact loads during walking. We created a …
properties on total knee replacement (TKR) contact loads during walking. We created a …
[HTML][HTML] Neuro-musculoskeletal simulation of instrumented contracture and spasticity assessment in children with cerebral palsy
MM van der Krogt, L Bar-On, T Kindt… - … of neuroengineering and …, 2016 - Springer
Background Increased resistance in muscles and joints is an important phenomenon in
patients with cerebral palsy (CP), and is caused by a combination of neural (eg spasticity) …
patients with cerebral palsy (CP), and is caused by a combination of neural (eg spasticity) …
A comparison among different Hill-type contraction dynamics formulations for muscle force estimation
Muscle is a type of tissue able to contract and, thus, shorten, producing a pulling force able
to generate movement. The analysis of its activity is essential to understand how the force is …
to generate movement. The analysis of its activity is essential to understand how the force is …
Subject-specific musculoskeletal modeling in the evaluation of shoulder muscle and joint function
Upper limb muscle force estimation using Hill-type muscle models depends on
musculotendon parameter values, which cannot be readily measured non-invasively …
musculotendon parameter values, which cannot be readily measured non-invasively …
EMG-driven optimal estimation of subject-specific Hill model muscle–tendon parameters of the knee joint actuators
Objective: the purpose of this paper is to propose an optimal control problem formulation to
estimate subject-specific Hill model muscle–tendon (MT-) parameters of the knee joint …
estimate subject-specific Hill model muscle–tendon (MT-) parameters of the knee joint …