Full Characterization of in vivo Muscle as an Elastic, Incompressible, Transversely Isotropic Material Using Ultrasonic Rotational 3D Shear Wave Elasticity Imaging.

ABSTRACT: Using a 3D rotational shear wave elasticity imaging (SWEI) setup, 3D shear wave data were acquired in the vastus lateralis of a healthy volunteer. The innate tilt between the transducer face and the muscle fibers results in the excitation of multiple shear wave modes, allowing for more complete characterization of muscle as an elastic, incompressible, transversely isotropic (ITI) material. The ability to measure both the shear vertical (SV) and shear horizontal (SH) wave speed allows for measurement of three independent parameters needed for full ITI material characterization: the longitudinal shear modulus μ_L , the transverse shear modulus μ_T , and the tensile anisotropy χ_E . Herein we develop and validate methodology to estimate these parameters and measu

SUBMITTER: Knight AE 

PROVIDER: S-EPMC8754054 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature