Usha Sinha
YOU?
Author Swipe
View article: Evaluation of Magnetization Transfer Contrast Sequences: Application to Monitor Age-Related Differences in Muscle Macromolecular Fraction
Evaluation of Magnetization Transfer Contrast Sequences: Application to Monitor Age-Related Differences in Muscle Macromolecular Fraction Open
Background/Objectives: Several sequences for magnetization transfer contrast (MTC) imaging are available, from indices of MTC ranging from quantitative magnetization transfer (qMT) that yields the macromolecular fraction to simple ratios o…
View article: Strain mapping using compressed sensing accelerated 4D flow MRI—Potential for detecting coactivation in thigh muscles
Strain mapping using compressed sensing accelerated 4D flow MRI—Potential for detecting coactivation in thigh muscles Open
Introduction Deterioration in knee extensor function is significantly related to decline in functional mobility, stability and proprioception increasing risk of injury and falls. Coactivation of the hamstrings has been reported in normal a…
View article: Magnetic Resonance Imaging Biomarkers of Muscle
Magnetic Resonance Imaging Biomarkers of Muscle Open
This review is focused on the current status of quantitative MRI (qMRI) of skeletal muscle. The first section covers the techniques of qMRI in muscle with the focus on each quantitative parameter, the corresponding imaging sequence, discus…
View article: Magnetic Resonance Imaging Biomarkers of Muscle
Magnetic Resonance Imaging Biomarkers of Muscle Open
This review is focused on the current status of quantitative MR (qMR) of skeletal muscle. The first section covers the techniques of qMR in muscle with the focus on each quantitative parameter, the corresponding imaging sequence, discussio…
View article: Investigating the Correlation between Force Output, Strains, and Pressure for Active Skeletal Muscle Contractions
Investigating the Correlation between Force Output, Strains, and Pressure for Active Skeletal Muscle Contractions Open
Measuring the forces of individual muscles in a muscle group around a joint is non-trivial, and researchers have suggested using surrogates for individual muscle forces instead. Traditionally, experimentalists have shown that the force out…
View article: Effect of different ankle joint positions on medial gastrocnemius muscle fiber strains during isometric plantarflexion
Effect of different ankle joint positions on medial gastrocnemius muscle fiber strains during isometric plantarflexion Open
Muscle force production is influenced by muscle fiber and aponeurosis architecture. This prospective cohort study utilizes special MR imaging sequences to examine the structure–function in-vivo in the Medial Gastrocnemius (MG) at three-ank…
View article: Time‐dependent diffusion tensor imaging and diffusion modeling of age‐related differences in the medial gastrocnemius and feasibility study of correlations to histopathology
Time‐dependent diffusion tensor imaging and diffusion modeling of age‐related differences in the medial gastrocnemius and feasibility study of correlations to histopathology Open
Purpose Implement STEAM‐DTI to model time‐dependent diffusion eigenvalues using the random permeable barrier model (RPBM) to study age‐related differences in the medial gastrocnemius (MG) muscle. Validate diffusion model‐extracted fiber di…
View article: Strain and Strain Rate Tensor Mapping of Medial Gastrocnemius at Submaximal Isometric Contraction and Three Ankle Angles
Strain and Strain Rate Tensor Mapping of Medial Gastrocnemius at Submaximal Isometric Contraction and Three Ankle Angles Open
Introduction: The aim of this study is to analyze the muscle kinematics of the medial gastrocnemius (MG) during submaximal isometric contractions and to explore the relationship between deformation and force generated at plantarflexed (PF)…
View article: MRI Based Fiber Strain Mapping of the Medial Gastrocnemius Muscle at Submaximal Isometric Contractions at Different Ankle Angles.
MRI Based Fiber Strain Mapping of the Medial Gastrocnemius Muscle at Submaximal Isometric Contractions at Different Ankle Angles. Open
Muscle force production is influenced by muscle fiber and aponeurosis architecture. This prospective cohort study utilizes special MR imaging sequences to examine the structure-function in-vivo in the Medial Gastrocnemius (MG) at three-ank…
View article: Cover Image
Cover Image Open
The cover image is based on the Basic Research Multiscale modeling of passive material influences on deformation and force output of skeletal muscles by Xiaolong He et al., https://doi.org/10.1002/cnm.3571.
View article: Spin Lattice (T1) and Magnetization Transfer Saturation (MTsat) Imaging to Monitor Age-Related Differences in Skeletal Muscle Tissue
Spin Lattice (T1) and Magnetization Transfer Saturation (MTsat) Imaging to Monitor Age-Related Differences in Skeletal Muscle Tissue Open
Background: The aim was to compare spin-lattice relaxation (T1) mapping from sequences with no fat suppression and three fat suppression methods and Magnetization Transfer Saturation (MTsat) mapping, to identify regional and age-related di…
View article: 3D Muscle Deformation Mapping at Submaximal Isometric Contractions: Applications to Aging Muscle
3D Muscle Deformation Mapping at Submaximal Isometric Contractions: Applications to Aging Muscle Open
3D strain or strain rate tensor mapping comprehensively captures regional muscle deformation. While compressive strain along the muscle fiber is a potential measure of the force generated, radial strains in the fiber cross-section may prov…
View article: Role of the Extracellular Matrix in Loss of Muscle Force With Age and Unloading Using Magnetic Resonance Imaging, Biochemical Analysis, and Computational Models
Role of the Extracellular Matrix in Loss of Muscle Force With Age and Unloading Using Magnetic Resonance Imaging, Biochemical Analysis, and Computational Models Open
The focus of this review is the application of advanced MRI to study the effect of aging and disuse related remodeling of the extracellular matrix (ECM) on force transmission in the human musculoskeletal system. Structural MRI includes (i)…
View article: Magnetic resonance imaging based muscle strain rate mapping during eccentric contraction to study effects of unloading induced by unilateral limb suspension
Magnetic resonance imaging based muscle strain rate mapping during eccentric contraction to study effects of unloading induced by unilateral limb suspension Open
Age- and disuse- related loss of muscle force is disproportionately larger than the loss of muscle mass. Earlier studies reported that comparing concentric and eccentric contractions, there is a significant age-related decrease in force on…
View article: Physics-constrained local convexity data-driven modeling of anisotropic nonlinear elastic solids
Physics-constrained local convexity data-driven modeling of anisotropic nonlinear elastic solids Open
As characterization and modeling of complex materials by phenomenological models remains challenging, data-driven computing that performs physical simulations directly from material data has attracted considerable attention. Data-driven co…
View article: Compressed sensing velocity encoded phase contrast imaging: Monitoring skeletal muscle kinematics
Compressed sensing velocity encoded phase contrast imaging: Monitoring skeletal muscle kinematics Open
Purpose This study implements a compressed sensing (CS) 3‐directional velocity encoded phase contrast (VE‐PC) imaging for studying skeletal muscle kinematics within 40 s. Methods Independent variable density random sampling in the phase en…
View article: Microstructural analysis of skeletal muscle force generation during aging
Microstructural analysis of skeletal muscle force generation during aging Open
Human aging results in a progressive decline in the active force generation capability of skeletal muscle. While many factors related to the changes of morphological and structural properties in muscle fibers and the extracellular matrix (…
View article: Issue Information: Plasma Process. Polym. 2/2019
Issue Information: Plasma Process. Polym. 2/2019 Open
Front Cover: Coatings deposited from the plasma phase of oxazoline precursors feature a distinctive and rich surface chemistry responsible for their unique reactivity towards ligands with carboxylic acid functions.While aging in ambient co…
View article: Diffusion tensor imaging and diffusion modeling: Application to monitoring changes in the medial gastrocnemius in disuse atrophy induced by unilateral limb suspension
Diffusion tensor imaging and diffusion modeling: Application to monitoring changes in the medial gastrocnemius in disuse atrophy induced by unilateral limb suspension Open
Background Diffusion tensor imaging (DTI) assesses underlying tissue microstructure, and has been applied to studying skeletal muscle. Unloading of the lower leg causes decreases in muscle force, mass, and muscle protein synthesis as well …
View article: Exploration of male urethral sphincter complex using diffusion tensor imaging (DTI)‐based fiber‐tracking
Exploration of male urethral sphincter complex using diffusion tensor imaging (DTI)‐based fiber‐tracking Open
Background Urinary incontinence is a major clinical problem arising primarily from age‐related degenerative changes to the sphincter muscles. However, the precise anatomy of the normal male sphincter muscles has yet to be established. Diff…
View article: 3D multimodal spatial fuzzy segmentation of intramuscular connective and adipose tissue from ultrashort TE MR images of calf muscle
3D multimodal spatial fuzzy segmentation of intramuscular connective and adipose tissue from ultrashort TE MR images of calf muscle Open
Purpose To develop and evaluate an automated algorithm to segment intramuscular adipose (IMAT) and connective (IMCT) tissue from musculoskeletal MRI images acquired with a dual echo Ultrashort TE (UTE) sequence. Theory and Methods The dual…
View article: Mapping of spatial and temporal heterogeneity of plantar flexor muscle activity during isometric contraction: correlation of velocity-encoded MRI with EMG
Mapping of spatial and temporal heterogeneity of plantar flexor muscle activity during isometric contraction: correlation of velocity-encoded MRI with EMG Open
The aim of this study was to assess the correlation between contraction-associated muscle kinematics as measured by velocity-encoded phase-contrast (VE-PC) magnetic resonance imaging (MRI) and activity recorded via electromyography (EMG), …
View article: Noise Issues in Sentence Structure for Morphological Analysis of English Language Sentences for Hindi Language Users
Noise Issues in Sentence Structure for Morphological Analysis of English Language Sentences for Hindi Language Users Open
This paper identifies some issues in English Language sentences which are interpreted by Hindi speakers.Sentences may seem grammatically correct but since they may not have equivalent constructs in Hindi Language, it may be difficult for N…