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.
Combined version was dependent on neck-shaft angle. Greater neck-shaft angles required greater combined versions. There was a ceiling effect showing an asymptotic leveling at 34° of combined version. The marker size represents the relative size of the combined target zone showing the largest zones from 123° to 130° neck-shaft angles corresponding to 25° to 32° combined radiographic version (head size is 32 mm, stem anteversion is 15°).
