More examples. The principal aim of this meeting is to reach a decision that we all agree on. The diaphragm is the principal muscle of respiration. I would like to earn more, but this isn't my principal reason for leaving the job. He can't give up teaching, it's his principal source of income.
Quadriceps femoris. The quadriceps femoris is a group of muscles located in the front of the thigh. The Latin translation of quadriceps is four headed, as the group contains four separate muscles: the vastus lateralis, vastus medialis, vastus intermedius, and the rectus femoris.uadriceps femoris. The quadriceps femoris is a group of muscles located in the front of the thigh. The Latin translation of quadriceps is four headed, as the group contains four separate muscles: the vastus lateralis, vastus medialis, vastus intermedius, and the rectus femoris.
A Thigh muscle strain refers to a tear in the Quadriceps muscle group. The Quadriceps are located at the front of the thigh and are responsible for extending (straightening) the knee. The Quadriceps group is made up of four muscles: Rectus Femoris, Vastus Lateralis, Vastus Intermedius and Vastus Medialis.