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.
Rectus Femoris muscle stiffness (a, RF), Patellar Tendon stiffness (b, PT) and Quadriceps Tendon stiffness (c, QT) in the three age groups in left and right limbs. Error bars represent a confidence interval of 95%. * = p < 0.05; ** = p < 0.01; *** = p < 0.001.
