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.
Positron emission tomography (PET) images from the regions of quadriceps muscle (A), quadriceps tendon (B) and patellar tendon (C) in the exercising and resting leg of one subject. White lines show the regions of interest. (From Kalliokoski et al. 2005.)
