The vastus medialis, otherwise known as the vastus medialis oblique (VMO), is a teardrop-shaped muscle in the front of your thigh that helps extend the knee and stabilize the kneecap. It is one of ...

The quadriceps muscles include the rectus femoris and the vastus lateralis, vastus intermedius and vastus medialis. The origin of the rectus femoris is the anterior inferior iliac spine, and the ...

The main outcome measure was the EMG amplitude of the vastus medialis obliquus and vastus lateralis during the concentric phase of stair stepping. Results: The application of medially directed ...