Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Torsion (T) defined as the CL shear angle (ρ: radius, ϕ: rotation, D: distance between slices). (b) Orientation of myofiber layers and normal rotational directions in the LV wall. Dashed lines: endocardial fiber direction, solid lines: epicardial fiber direction. ED: end-diastole, ES: end-systole.
