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.
Longitudinal view: 1) A1 annular pulley; 2) FPL; 3) FPL anisotropic artifact (frequently observed in cases of triggering with impaired tendon excursion); 4) Thumb radial digital nerve; 5) Palmar plate; 6) Head of first metacarpal; 7) Base of proximal phalanx; 8) FPB.
Image taken from the studied patient.
