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.
Hip joint load and frictional moment acting on the femoral head. Left: the force acting on the centre of the femoral head is split into two components, an axial force and an orthogonal force to the head-neck junction (HNJ) axis; Right: the frictional moment about the instantaneous rotation axis is split into two components, a torsional moment and a bending moment.
