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Works (51)
Updated: October 26th, 2024 05:01
2024 journal article
Combining Cyproheptadine Hydrochloride With Targeted Muscle Activation Training to Treat Upper Extremity Stroke: A Randomized, Placebo-Controlled Trial
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, 105(10), 1938–1945.
author keywords: Drug therapy; Hand; Muscle activation patterns; Rehabilitation; Stroke
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Web Of Science
Added: October 21, 2024
2024 journal article
Soft pneumatic actuators for pushing fingers into extension
JOURNAL OF NEUROENGINEERING AND REHABILITATION, 21(1).
author keywords: Pneumatic actuators; Soft exoskeleton; Hand; Extension
open access via doi.org (publisher)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: September 9, 2024
2024 journal article
Use of computational modeling to examine fingertip force production in children with hemiplegic cerebral palsy
JOURNAL OF BIOMECHANICS, 172.
author keywords: Cerebral palsy; Upper limb; Opensim; Hand; Static optimization; And neuromuscular control
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: July 22, 2024
2023 journal article
Cosimulation of the index finger extensor apparatus with finite element and musculoskeletal models
JOURNAL OF BIOMECHANICS, 157.
TL;DR:
The ability of the cosimulation to predict global behavior of the extensor mechanism, while enabling measurement of stresses and strains within the structure itself, is demonstrated.
(via Semantic Scholar)
Source: Web Of Science
Added: August 14, 2023
2023 journal article
Optimized Model Selection for Concurrent Decoding of Finger Kinetics and Kinematics
IEEE ACCESS, 11, 17348–17358.
author keywords: Assistive technologies; Kinematics; Fingerprint recognition; Electromyography; Force; Predictive models; Haptic interfaces; Finger force; finger kinematics; hand function; motor unit
TL;DR:
Three MU-based finger kinetic and kinematic prediction models are evaluated to identify the optimal models for concurrent and continuous finger force and joint angle estimation, indicating that firing information at the population level may mask critical information of individual MU firings.
(via Semantic Scholar)
Source: Web Of Science
Added: March 20, 2023
2022 journal article
A generic neural network model to estimate populational neural activity for robust neural decoding
COMPUTERS IN BIOLOGY AND MEDICINE, 144.
author keywords: Neural networks; Hand function; Neural decoding; Motor unit; Finger force
MeSH headings : Electromyography / methods; Fingers / physiology; Humans; Motor Neurons / physiology; Muscle, Skeletal; Neural Networks, Computer
TL;DR:
A novel generic neural network model that can continuously predict finger forces based on decoded populational motoneuron firing activities is developed that provides a generic and efficient continuous neural decoding approach for real-time and robust human-robot interactions.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: June 27, 2022
2022 journal article
Abnormal proximal-distal interactions in upper-limb of stroke survivors during object manipulation: A pilot study
FRONTIERS IN HUMAN NEUROSCIENCE, 16.
author keywords: stroke; upper extremity; abnormal coupling; finger extension; abnormal synergy; intermuscular coherence
TL;DR:
Significant proximal-to-distal interactions between finger extension and elbow extension/shoulder abduction of stroke survivors exist during their functional movements and increased cocontraction of the hand muscles due to increased neural couplings between the distal and proximal muscles appears to be the underlying mechanism.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: December 5, 2022
2022 journal article
Concurrent and Continuous Prediction of Finger Kinetics and Kinematics via Motoneuron Activities
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 70(6), 1911–1920.
author keywords: Neural decoding; hand function; isometric force; dynamic movement
MeSH headings : Kinetics; Biomechanical Phenomena; Fingers / physiology; Hand; Electromyography / methods; Motor Neurons / physiology; Movement; Muscle, Skeletal / physiology
TL;DR:
A continuous neural decoding approach that can concurrently predict fingertip forces and joint angles of multiple fingers in real-time can enable intuitive interactions with assistive robotic hands, and allow the performance of dexterous hand skills involving both force control tasks and dynamic movement control tasks.
(via Semantic Scholar)
Source: Web Of Science
Added: July 31, 2023
2022 journal article
Effect of novel training to normalize altered finger force direction post-stroke: study protocol for a double-blind randomized controlled trial
TRIALS, 23(1).
author keywords: Stroke; Upper extremity; Physical rehabilitation; Hand function; Grip force; EMG; Biofeedback; Control; Paralysis; Randomized controlled trial
MeSH headings : Hand; Humans; Randomized Controlled Trials as Topic; Recovery of Function; Stroke / diagnosis; Stroke / therapy; Stroke Rehabilitation / methods; Treatment Outcome; Upper Extremity
TL;DR:
Whether explicit training of finger force direction in stroke survivors leads to improved motor control of the hand will be revealed and the understanding of neuromuscular mechanisms underlying the recovery of hand function will be improved.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: May 2, 2022
2022 article
Exploring Kinetic and Kinematic Finger Individuation Capability in Children With Hemiplegic Cerebral Palsy
McCall, J. V., Hu, X., & Kamper, D. G. (2022, December 13). PERCEPTUAL AND MOTOR SKILLS.
author keywords: physical development & measurement; development testing; child motor development; medical disorders
MeSH headings : Humans; Child; Adolescent; Biomechanical Phenomena; Cerebral Palsy; Hemiplegia; Individuation; Fingers
TL;DR:
This small sample of children with hCP showed substantial loss of individuation in the paretic hand and some deficits in the non-paretic hands, suggesting possible benefit from targeted training of digit independence in both hands for children with CP.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: January 3, 2023
2022 journal article
Noninvasively recorded high-gamma signals improve synchrony of force feedback in a novel neurorehabilitation brain-machine interface for brain injury
JOURNAL OF NEURAL ENGINEERING, 19(3).
author keywords: brain-machine interface; brain injury; neurorehabilitation; grasp force; haptic feedback; noninvasive; high-gamma
MeSH headings : Brain Injuries; Brain-Computer Interfaces; Electroencephalography / methods; Feedback; Humans; Neurological Rehabilitation / methods
TL;DR:
These proof-of-concept results show that high-γ nrBMIs can be used by individuals with impaired ability to control force (without immediately resorting to invasive signals like electrocorticography).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: June 13, 2022
2022 journal article
Offline Evaluation Matters: Investigation of the Influence of Offline Performance on Real-Time Operation of Electromyography-Based Neural-Machine Interfaces
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 31, 680–689.
Contributors: R. Hinson n, J. Berman n, W. Filer *, n, X. Hu n & H. Huang n
author keywords: Electromyography; Real-time systems; Decoding; Task analysis; Artificial neural networks; Wrist; Measurement; machine learning; neural-machine interface; offline analysis; real-time performance
TL;DR:
The use and validity of offline analyses for optimization of NMIs in myoelectric control research and development are supported and significant improvements in each real-time task evaluation metric were observed.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 15, 2023
2022 journal article
Resembled Tactile Feedback for Object Recognition Using a Prosthetic Hand
IEEE ROBOTICS AND AUTOMATION LETTERS, 7(4), 10977–10984.
author keywords: Tactile feedback; prosthetic control; object recognition; transcutaneous nerve stimulation
TL;DR:
The results showed that participants could gauge the onset timing of tactile feedback to discern object shape and size and found that the position-controller led to a greater recognition accuracy of object size compared with velocity-control, potentially due to supplemental joint position information from muscle activation level.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 6, 2022
2022 journal article
Sensitivity analysis guided improvement of an electromyogram-driven lumped parameter musculoskeletal hand model
JOURNAL OF BIOMECHANICS, 141.
Contributors: R. Hinson n, K. Saul n, n & H. Huang n
author keywords: Musculoskeletal modeling; Optimization; Upper limb; Rehabilitation; Musculoskeletal modeling; Optimization; Upper limb; Rehabilitation
MeSH headings : Biomechanical Phenomena; Electromyography; Hand / physiology; Humans; Models, Biological; Muscle, Skeletal / physiology; Wrist / physiology; Wrist Joint / physiology
TL;DR:
This study demonstrated how sensitivity analyses can be used to guide model refinement and inform novel and improved optimization strategies, facilitating implementation of musculoskeletal models for clinical applications.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 9, 2022
2022 journal article
Use of cyproheptadine hydrochloride (HCl) to reduce neuromuscular hypertonicity in stroke survivors: A Randomized Trial
JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 31(10).
author keywords: Spasticity; Upper Extremity; Cyproheptadine; Chronic Stroke
MeSH headings : Cyproheptadine / adverse effects; Humans; Muscle Spasticity / diagnosis; Muscle Spasticity / drug therapy; Muscle Spasticity / etiology; Neuromuscular Agents / therapeutic use; Stroke / complications; Stroke / diagnosis; Stroke / drug therapy; Stroke Rehabilitation; Survivors; Treatment Outcome
TL;DR:
Use of cyproheptadine HCl was associated with a significant reduction in relaxation time of finger flexor muscles, without adversely affecting voluntary strength, although spasticity and coactivation were unchanged.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Web Of Science
Added: October 17, 2022
2021 journal article
Characteristics of the severely impaired hand in survivors of stroke with chronic impairments
TOPICS IN STROKE REHABILITATION, 29(3), 181–191.
author keywords: Stroke; reflex; stiffness; spasticity; strength
MeSH headings : Cohort Studies; Electromyography; Hand Strength / physiology; Humans; Muscle, Skeletal; Quality of Life; Stroke / complications; Survivors; Upper Extremity
TL;DR:
Survivors of severe, chronic hemiparetic stroke experience profound weakness of both flexion and extension that arises from increased involuntary antagonist activation and decreased voluntary activation, and hypertonicity measures were not significantly correlated with each other.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: March 29, 2021
2021 review
Hand function development of children with hemiplegic cerebral palsy: A scoping review
[Review of ]. JOURNAL OF PEDIATRIC REHABILITATION MEDICINE, 15(1), 211–228.
author keywords: Hand function; assessment methods; hemiplegia; cerebral palsy; upper limb
MeSH headings : Biomechanical Phenomena; Cerebral Palsy; Child; Hand; Hemiplegia / etiology; Humans; Physical Therapy Modalities; Upper Extremity
TL;DR:
While several studies have evaluated hand function in children with hCP, the majority relied on clinical scales, assessments, or qualitative descriptions and further assessments of kinematics, kinetics, and muscle activation patterns are needed to identify the underlying impairment mechanisms that should be targeted for treatment.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: April 25, 2022
2021 article
High Compliance Pneumatic Actuators to Promote Finger Extension in Stroke Survivors
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 4588–4591.
MeSH headings : Fingers; Hand; Humans; Robotics; Stroke / therapy; Survivors
TL;DR:
A characterization of the extension force and passive flexion resistance generated by these pneumatic chambers across a range of joint angles as a function of cross-sectional shape, dimension, and wall thickness provides guidance in designing pNEumatic actuators for assisting finger extension and resisting unwanted flexion in the fingers.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: April 25, 2022
2020 journal article
Automatic Detection of Contracting Muscle Regions via the Deformation Field of Transverse Ultrasound Images: A Feasibility Study
ANNALS OF BIOMEDICAL ENGINEERING, 49(1), 354–366.
author keywords: Transverse ultrasound imaging; Muscle contraction; Muscle function; Finger muscle; Deformation estimation
MeSH headings : Algorithms; Electromyography; Feasibility Studies; Finger Joint / diagnostic imaging; Finger Joint / physiology; Humans; Male; Muscle Contraction; Muscle, Skeletal / diagnostic imaging; Muscle, Skeletal / physiology; Ultrasonography
TL;DR:
A novel framework was developed to detect contracting muscle regions based on the deformation field of transverse ultrasound images that can automatically detect the regions of contracting muscle, and could potentially serve as a tool to assess the functions of a group of muscles concurrently.
(via Semantic Scholar)
Source: Web Of Science
Added: July 27, 2020
2020 review
Mechanical Aspects of Robot Hands, Active Hand Orthoses, and Prostheses: A Comparative Review
[Review of ]. IEEE-ASME TRANSACTIONS ON MECHATRONICS, 26(2), 955–965.
author keywords: Robots; Actuators; Mechatronics; Force; Three-dimensional printing; Prosthetics; Databases; Dexterity; hands; orthotics; prosthetics; robotics
TL;DR:
A comparative review of publications describing robot hands, active prostheses, and active orthoses, with a focus on mechanical structure, actuation principle, and transmission identified trends in the design of artificial hands and gaps in the literature.
(via Semantic Scholar)
Source: Web Of Science
Added: May 24, 2021
2020 journal article
Modulation of finger muscle activation patterns across postures is coordinated across all muscle groups
JOURNAL OF NEUROPHYSIOLOGY, 124(2), 330–341.
author keywords: activation patterns; extrinsic and intrinsic hand muscles; index finger; motor control
MeSH headings : Adult; Biomechanical Phenomena / physiology; Electromyography; Female; Fingers / physiology; Humans; Male; Motor Activity / physiology; Muscle, Skeletal / physiology; Posture / physiology; Young Adult
TL;DR:
Modulation of activation levels of the extrinsic hand muscles, particularly the extensors, were as great as those of intrinsic muscles, suggesting that both extrinsics/intrinsic muscles were involved in creating the desired forces.
(via Semantic Scholar)
Source: Web Of Science
Added: October 12, 2020
2020 journal article
Survivors of Chronic Stroke Experience Continued Impairment of Dexterity But Not Strength in the Nonparetic Upper Limb
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, 101(7), 1170–1175.
author keywords: Functional laterality; Recovery of function; Rehabilitation; Stroke; Stroke rehabilitation
MeSH headings : Academic Medical Centers; Aged; Chronic Disease; Cohort Studies; Cross-Sectional Studies; Disability Evaluation; Exercise Test / methods; Female; Hand Strength / physiology; Humans; Male; Middle Aged; Paresis / rehabilitation; Prognosis; Reference Values; Rehabilitation Centers; Risk Assessment; Stroke / diagnosis; Stroke / therapy; Stroke Rehabilitation / methods; Survivors; Treatment Outcome; Upper Extremity / physiopathology
TL;DR:
The results suggest that the nonparetic upper limb should be targeted for rehabilitation in stroke survivors with severe impairment of the paretic limb, as they continue to present significant upper extremity impairment in their nominally nonperetic limb even years after stroke.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
4. Quality Education
(OpenAlex)
Source: Web Of Science
Added: July 13, 2020
2020 journal article
Utilizing multi-user virtual reality to bring clinical therapy into stroke survivors' homes
JOURNAL OF HAND THERAPY, 33(2), 246–253.
author keywords: Therapy; Stroke; Home-based training; Virtual reality
TL;DR:
Multiuser virtual reality offers a relatively inexpensive means of extending clinical therapy into home and enabling family and friends to support rehabilitation efforts, even when physically remote from each other.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: July 13, 2020
2019 journal article
Development of an EMG-Controlled Serious Game for Rehabilitation
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 27(2), 283–292.
author keywords: EMG; rehabilitation; serious game
MeSH headings : Adult; Biomechanical Phenomena; Calibration; Electromyography / methods; Female; Functional Laterality; Games, Experimental; Hand / physiopathology; Healthy Volunteers; Humans; Male; Muscle, Skeletal / physiopathology; Psychomotor Performance; Recovery of Function; Stroke Rehabilitation / instrumentation; Young Adult
TL;DR:
A novel platform for playing a serious game through electromyographic control is developed and holds promise for rehabilitation of control of muscle activation patterns.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: March 4, 2019
2019 journal article
Hemicraniectomy in Traumatic Brain Injury: A Noninvasive Platform to Investigate High Gamma Activity for Brain Machine Interfaces
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 27(7), 1467–1472.
author keywords: Brain-machine interface; brain-computer interface; EEG; traumatic brain injury; high gamma
MeSH headings : Adult; Artifacts; Brain Injuries, Traumatic / surgery; Brain-Computer Interfaces; Decompressive Craniectomy / methods; Electroencephalography; Female; Fingers / innervation; Gamma Rhythm; Humans; Magnetoencephalography; Male; Muscle Contraction; Prosthesis Design; Psychomotor Performance
TL;DR:
Results indicate that people with hemicraniectomies can provide a useful resource for developing BMI therapies for the treatment of brain injury, and describe a new BMI paradigm to investigate the use of higher frequency signals in brain-injured subjects without incurring significant risk.
(via Semantic Scholar)
Source: Web Of Science
Added: July 29, 2019
2019 journal article
Home-based Upper Extremity Stroke Therapy Using a Multiuser Virtual Reality Environment: A Randomized Trial
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, 101(2), 196–203.
author keywords: Rehabilitation; Stroke; Telerehabilitation; Upper extremity; Virtual reality
MeSH headings : Adult; Aged; Cross-Over Studies; Female; Home Care Services; Humans; Male; Middle Aged; Motivation; Recovery of Function; Stroke Rehabilitation / methods; Telerehabilitation / methods; Upper Extremity / physiology; Video Games; Virtual Reality
TL;DR:
Multi-user VR exercises may provide an effective means of extending clinical therapy into the home, and Fugl-Meyer Upper-Extremity (FMUE) score improved significantly across all participants, and Intrinsic Motivation Inventory (IMI) scores.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: March 30, 2020
2018 journal article
Development of a dynamic index finger and thumb model to study impairment
JOURNAL OF BIOMECHANICS, 77, 206–210.
author keywords: Musculoskeletal modelling; Hand; Stroke
MeSH headings : Biomechanical Phenomena; Electromyography; Fingers / physiology; Humans; Kinetics; Mechanical Phenomena; Models, Biological; Thumb / physiology; Torque
TL;DR:
This validated model can provide a means for evaluating clinical interventions and predict the effects of activation deficits on pinch force production and revealed that the intrinsic muscles, especially first dorsal interosseous and adductor pollicis, had a substantial impact on the resulting fingertip force.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Web Of Science
Added: October 19, 2018
2018 journal article
Impact of Targeted Assistance of Multiarticular Finger Musculotendons on the Coordination of Finger Muscles During Isometric Force Production
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 26(3), 619–628.
author keywords: Hand; muscle coordination; targeted assistance; exotendon; intermuscular coherence
MeSH headings : Adult; Algorithms; Biomimetics; Electromyography; Exoskeleton Device; Female; Fingers / innervation; Fingers / physiology; Healthy Volunteers; Humans; Isometric Contraction; Male; Muscle, Skeletal / innervation; Muscle, Skeletal / physiology; Prostheses and Implants; Prosthesis Design; Psychomotor Performance; Stroke Rehabilitation / instrumentation; Tendons / innervation; Tendons / physiology; Young Adult
TL;DR:
The targeted biomimetic assistance may be used to retrain activation patterns post-stroke by effectively modulating connectivity between the muscles in the functional context and could be beneficial to restore hand function and reduce disability.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2017 journal article
Analysis of muscle fiber conduction velocity during finger flexion and extension after stroke
Topics in Stroke Rehabilitation, 24(4), 262–268.
author keywords: Stroke; muscle; conduction velocity; finger; EMG; fiber
MeSH headings : Adult; Aged; Chronic Disease; Electric Conductivity; Electromyography; Female; Fingers / physiopathology; Humans; Male; Middle Aged; Muscle Fibers, Skeletal / physiology; Stroke / physiopathology; Survivors
TL;DR:
Clinically, therapists may use this information to develop therapeutic exercises targeting loss of type-II fiber in extensor muscles, especially in extrinsic extensors, after stroke.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: February 24, 2020
2017 conference paper
Characterization of hysteresis in resistive bend sensors
2017 International Symposium on Wearable Robotics and Rehabilitation (WEROB), 54–55.
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
Intersegmental kinetics significantly impact mapping from finger musculotendon forces to fingertip forces
Journal of Biomechanics, 65, 82–88.
author keywords: Index finger; Finger posture; Musculotendon; Fingertip force; Moment arm; Extensor mechanism; Force distribution
MeSH headings : Aged; Aged, 80 and over; Biomechanical Phenomena; Female; Finger Joint / physiology; Fingers / physiology; Humans; Kinetics; Models, Biological; Muscle, Skeletal / physiology; Posture / physiology; Tendons / physiology; Torque
TL;DR:
This work attempted to elucidate the postural effects on the mapping between musculotendon force and fingertip force through in vitro experiments, and found that intersegmental force transmission through a joint is affected by the posture of neighboring joints.
(via Semantic Scholar)
Source: Crossref
Added: February 24, 2020
2017 conference paper
Using monkey hand exoskeleton to explore finger passive joint movement response in primary motor cortex
Proceedings of annual international conference of the ieee engineering, 3624–3627.
MeSH headings : Animals; Finger Joint; Fingers; Haplorhini; Motor Cortex; Movement
TL;DR:
A custom exoskeleton is employed to drive index finger metacarpophalangeal joint of a macaque to follow sinusoid trajectories at 4 different frequencies and display sensitivity to direction, frequency, movement amplitude, and movement amplitude.
(via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018
2016 journal article
Design and evaluation of an actuated exoskeleton for examining motor control in stroke thumb
Advanced Robotics, 30(3), 165–177.
author keywords: robot-assisted rehabilitation; motor control; stroke thumb; actuated thumb exoskeleton
TL;DR:
The experimental results show that the ATX is able to provide individual actuation at all five thumb joints with high joint velocity and torque capacities.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: Crossref
Added: February 24, 2020
2016 chapter
Introduction of an EMG-Controlled Game to Facilitate Hand Rehabilitation After Stroke
In Converging Clinical and Engineering Research on Neurorehabilitation II (pp. 451–455).
TL;DR:
An electromyographically (EMG)-controlled game to assist stroke survivors in rehabilitating activation patterns is developed, where players must produce specific EMG patterns in order to move a cursor throughout a computer screen.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: December 31, 2020
2015 journal article
Virtual Immersion for Post-Stroke Hand Rehabilitation Therapy
Annals of Biomedical Engineering, 43(2), 467–477.
author keywords: Stroke; Rehabilitation; Virtual reality; Interactive environments; Upper extremity
MeSH headings : Adult; Aged; Arm / physiology; Exercise Therapy / instrumentation; Exercise Therapy / methods; Female; Hand / physiopathology; Humans; Male; Middle Aged; Paresis / etiology; Paresis / physiopathology; Paresis / rehabilitation; Stroke / complications; Stroke / physiopathology; Stroke Rehabilitation; User-Computer Interface
TL;DR:
A virtual reality (VR) system in order to encourage repetitive task practice for stroke survivors with hemiparesis by furthering engagement in the rehabilitation exercises and future expansion to multi-user virtual environments may extend the benefits.
(via Semantic Scholar)
Source: Crossref
Added: February 24, 2020
2014 journal article
Carryover Effects of Cyclical Stretching of the Digits on Hand Function in Stroke Survivors
Archives of Physical Medicine and Rehabilitation, 95(8), 1571–1576.
author keywords: Fingers; Hand; Passive stretching; Rehabilitation; Stroke
MeSH headings : Adult; Aged; Chronic Disease; Female; Fingers / physiopathology; Humans; Male; Middle Aged; Muscle Stretching Exercises; Orthotic Devices; Paresis / etiology; Paresis / physiopathology; Paresis / rehabilitation; Pinch Strength / physiology; Stroke / complications; Stroke / physiopathology; Stroke Rehabilitation; Time Factors
TL;DR:
Investigation of the longevity and cumulative impact of multiple sessions of passive, cyclical stretching of the digits on hand function in subacute stroke survivors found it to be a beneficial treatment for stroke survivors, especially during theSubacute phase of recovery.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2014 journal article
Mechanical properties vary for different regions of the finger extensor apparatus
Journal of Biomechanics, 47(12), 3094–3099.
author keywords: Extensor apparatus; Material properties; Soft tissue mechanics; Tensile
MeSH headings : Biomechanical Phenomena; Cadaver; Fingers; Finite Element Analysis; Humans; Materials Testing; Mechanical Phenomena; Stress, Mechanical; Tendons; Tensile Strength
TL;DR:
Across the extensor hood, tangent modulus values were substantially smaller than values reported for other soft tissues, such as the Achilles tendon and knee ligaments, while ultimate strains were much greater, suggesting that the tissue in theextensor apparatus seems to have greater elasticity, which should be modeled accordingly.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2011 journal article
Investigation of hand muscle atrophy in stroke survivors
Clinical Biomechanics, 27(3), 268–272.
author keywords: Hand; Stroke; Muscle; Atrophy; Ultrasound
MeSH headings : Female; Hand / diagnostic imaging; Humans; Male; Middle Aged; Muscle, Skeletal / diagnostic imaging; Muscle, Skeletal / pathology; Muscular Atrophy / diagnostic imaging; Muscular Atrophy / etiology; Muscular Atrophy / pathology; Organ Size; Stroke / complications; Stroke / diagnostic imaging; Ultrasonography
TL;DR:
Although muscle atrophy was detected in the paretic limb following stroke, it is not explanatory of the marked impairment in strength seen in this stroke population.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2011 journal article
Isokinetic strength and power deficits in the hand following stroke
Clinical Neurophysiology, 123(6), 1200–1206.
author keywords: Power; Isokinetic; Strength; Hand; Stroke
MeSH headings : Aged; Electromyography; Female; Forearm / physiopathology; Hand / physiopathology; Humans; Isometric Contraction / physiology; Male; Middle Aged; Muscle Strength / physiology; Muscle, Skeletal / physiopathology; Paresis / etiology; Paresis / physiopathology; Stroke / complications; Stroke / physiopathology; Torque
TL;DR:
This study demonstrates that strength testing of stroke survivors under isometric conditions may underestimate the overall level of impairment, and EMG data suggests that excessive co-contraction of agonist and antagonist muscles does not greatly affect isokinetic torque production at the MCP joint.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2010 journal article
Altered digit force direction during pinch grip following stroke
Experimental Brain Research, 202(4), 891–901.
author keywords: Digit force; Force direction; Force vector; Stroke; Prehension; Pinch grip
MeSH headings : Adult; Biomechanical Phenomena; Chronic Disease; Electromyography; Fingers / physiology; Functional Laterality; Hand Strength / physiology; Humans; Middle Aged; Motor Skills / physiology; Muscle, Skeletal / physiology; Paresis / physiopathology; Regression Analysis; Stroke / physiopathology; Task Performance and Analysis; Time Factors
TL;DR:
Therapies to redirect the force direction at the digits may improve stroke survivors’ ability to stably grip an object.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2010 journal article
Effect of a serotonin antagonist on delay in grip muscle relaxation for persons with chronic hemiparetic stroke
Clinical Neurophysiology, 122(4), 796–802.
author keywords: Stroke; Hand grip; Hyperexcitability; Muscle relaxation; EMG
MeSH headings : Adult; Aged; Aged, 80 and over; Brain Stem / physiology; Cyproheptadine / pharmacology; Efferent Pathways / physiology; Electromyography; Female; Fingers / physiology; Hand / physiology; Hand Strength / physiology; Humans; Male; Middle Aged; Motor Neurons / physiology; Muscle Relaxation / drug effects; Paresis / etiology; Paresis / physiopathology; Serotonin Antagonists / pharmacology; Spinal Cord / cytology; Spinal Cord / physiology; Stroke / complications; Stroke / physiopathology
TL;DR:
The findings support the supposition that monoaminergic brainstem pathways may be disinhibited following stroke, thereby resulting in increased delays in muscle relaxation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2010 journal article
Use of Visual Force Feedback to Improve Digit Force Direction During Pinch Grip in Persons With Stroke: A Pilot Study
Archives of Physical Medicine and Rehabilitation, 92(1), 24–30.
author keywords: Biofeedback, psychology; Fingers; Hand; Rehabilitation; Feedback, sensory; Stroke; Touch
MeSH headings : Adult; Aged; Feedback, Sensory; Female; Fingers; Hand Strength; Humans; Male; Middle Aged; Paresis / rehabilitation; Physical Therapy Modalities; Pilot Projects; Stroke Rehabilitation; Thumb
TL;DR:
Repeated practice of pinch with visual feedback of force direction improved grip force control in persons with stroke and Visual feedback of pinch forces may prove valuable as a rehabilitation paradigm for improving hand function.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2009 journal article
Use of a Novel Robotic Interface to Study Finger Motor Control
Annals of Biomedical Engineering, 38(2), 259–268.
author keywords: Stroke; Hand rehabilitation; Motor control
MeSH headings : Aged; Diagnosis, Computer-Assisted / instrumentation; Equipment Design; Equipment Failure Analysis; Exercise Test / instrumentation; Female; Fingers / physiopathology; Humans; Male; Motor Skills; Movement Disorders / diagnosis; Movement Disorders / etiology; Movement Disorders / physiopathology; Physical Examination / instrumentation; Robotics / instrumentation; Stroke / physiopathology; Stroke Rehabilitation; Task Performance and Analysis
TL;DR:
A novel actuated exoskeleton for the index finger, the FingerBot, was developed to permit the study of finger kinetics and kinematics under a variety of conditions and can be a valuable tool in assessing various hand rehabilitation paradigms following stroke.
(via Semantic Scholar)
Source: Crossref
Added: December 31, 2020
2008 journal article
Effect of a Gravity-Compensating Orthosis on Reaching After Stroke: Evaluation of the Therapy Assistant WREX
Archives of Physical Medicine and Rehabilitation, 89(11), 2121–2128.
author keywords: Orthotic devices; Rehabilitation; Stroke; Upper extremity
MeSH headings : Adult; Aged; Aged, 80 and over; Biomechanical Phenomena; Electromyography; Equipment Design; Female; Gravitation; Humans; Male; Middle Aged; Orthotic Devices; Paresis / rehabilitation; Stroke Rehabilitation; Therapy, Computer-Assisted / instrumentation; Upper Extremity
TL;DR:
By reducing requirements for shoulder activation, the Therapy Assistant WREX improved reaching performance among stroke survivors compared with free reaching, thereby potentially facilitating practice of functional tasks.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2008 journal article
Estimation of the effective static moment arms of the tendons in the index finger extensor mechanism
Journal of Biomechanics, 41(7), 1567–1573.
author keywords: finger; moment arm; extensor hood; finger posture
MeSH headings : Arm / anatomy & histology; Arm / physiology; Fingers / anatomy & histology; Fingers / physiology; Humans; Models, Biological; Movement / physiology; Muscle, Skeletal / physiology; Tendons / physiology
TL;DR:
Effective static moment arms (ESMAs), which represent the net effects of the tendon force on joint moments in static finger postures, were estimated for the 4 degrees of freedom in the index finger by directly correlating the applied tendon force to the measured resultant joint Moments in cadaveric hand specimens.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2006 journal article
A low cost instrumented glove for extended monitoring and functional hand assessment
Journal of Neuroscience Methods, 160(2), 335–348.
author keywords: electro goniometry; finger flexion; hand function; functional outcome measures; wireless monitoring
MeSH headings : Adult; Aged; Cost-Benefit Analysis; Disability Evaluation; Electrodes / trends; Electrodiagnosis / economics; Electrodiagnosis / instrumentation; Electrodiagnosis / methods; Electrophysiology / economics; Electrophysiology / instrumentation; Electrophysiology / methods; Equipment and Supplies / economics; Equipment and Supplies / standards; Feasibility Studies; Feedback / physiology; Female; Fingers / physiopathology; Gloves, Protective / economics; Hand / physiopathology; Humans; Male; Middle Aged; Monitoring, Physiologic / economics; Monitoring, Physiologic / instrumentation; Monitoring, Physiologic / methods; Movement / physiology; Movement Disorders / diagnosis; Movement Disorders / physiopathology; Predictive Value of Tests; Telemetry / economics; Telemetry / instrumentation; Telemetry / methods
TL;DR:
A wearable finger flexion monitor developed to measure hand function in individuals with hand dysfunction was evaluated for feasibility, measurement repeatability and reliability, fidelity of wireless transmission, and user acceptance to demonstrate that the monitor has a strong potential to be used as a tool for objective hand function evaluation in the home and community.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2006 journal article
Impact of finger posture on mapping from muscle activation to joint torque
Clinical Biomechanics, 21(4), 361–369.
author keywords: index finger; moment arm; joints
MeSH headings : Adult; Computer Simulation; Electric Stimulation; Fingers / anatomy & histology; Fingers / physiology; Humans; Isometric Contraction / physiology; Models, Biological; Muscle, Skeletal / anatomy & histology; Muscle, Skeletal / innervation; Muscle, Skeletal / physiology; Posture / physiology; Torque
TL;DR:
The data suggest that substantial changes in muscle moment arms occur with posture, and this postural dependence should be considered when constructing biomechanical models of the hand or planning tendon transfers for the fingers.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2006 journal article
Kinematics of point-to-point finger movements
Experimental Brain Research, 174(1), 29–34.
author keywords: trajectories; fingertip; motor planning
MeSH headings : Adult; Aged; Biomechanical Phenomena; Cues; Data Interpretation, Statistical; Female; Fingers / physiology; Hand / anatomy & histology; Hand / physiology; Humans; Male; Middle Aged; Movement / physiology
TL;DR:
Directional dependence of the curvature of the chosen finger-only trajectory observed in the initial protocol is incompatible with motor planning based solely on kinematic constraints, instead mechanical properties of the finger are likely incorporated.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2006 journal article
Weakness Is the Primary Contributor to Finger Impairment in Chronic Stroke
Archives of Physical Medicine and Rehabilitation, 87(9), 1262–1269.
author keywords: hand; human; muscle spasticity; muscle weakness; rehabilitation; stroke
MeSH headings : Biomechanical Phenomena; Chronic Disease; Electromyography; Fingers; Hand Strength; Humans; Middle Aged; Muscle Weakness / classification; Muscle Weakness / etiology; Severity of Illness Index; Stroke / classification; Stroke / physiopathology
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Crossref
Added: August 28, 2020
2005 journal article
Effects of changing wrist positions on finger flexor hypertonia in stroke survivors
Muscle & Nerve, 33(2), 183–190.
author keywords: length dependence; muscle spindle; spasticity; stretch reflex; stroke; velocity dependence
MeSH headings : Adult; Aged; Electromyography; Female; Fingers / anatomy & histology; Fingers / physiology; Humans; Male; Metacarpophalangeal Joint / physiology; Metacarpophalangeal Joint / physiopathology; Middle Aged; Movement / physiology; Muscle Hypertonia / physiopathology; Muscle Spasticity / physiopathology; Muscle Spindles / physiology; Muscle, Skeletal / anatomy & histology; Muscle, Skeletal / physiology; Muscle, Skeletal / physiopathology; Reflex, Stretch / physiology; Stroke / physiopathology; Wrist / physiology
TL;DR:
The results support the hypothesis that finger flexor hypertonia is primarily of neural origin, and that it accurately reflects spindle receptor firing properties, and there were significant interactions between velocity and length.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2000 journal article
Simulation of the Seated Postural Stability of Healthy and Spinal Cord-Injured Subjects Using Optimal Feedback Control Methods
Computer Methods in Biomechanics and Biomedical Engineering, 3(2), 79–93.
TL;DR:
A two-dimensional, biomechanical computer model was developed, using the software package Working Model1M, to simulate the postural control of seated individuals and it is believed that the model could prove beneficial to future research examining the effects of various restraints on stability.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
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