Quadriceps femoris group

Definition

The quadriceps femoris group is a collection of four muscles located at the front of the thigh that are primarily responsible for extending the knee and stabilizing the patella. These muscles include the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius.

Related terms

Rectus Femoris:

A muscle that is part of the quadriceps group, attaching from the pelvis to just below the knee, playing a crucial role in both hip flexion and knee extension.

Vastus Lateralis: One of the quadriceps muscles, located on the outer side of the thigh, it is primarily involved in extending the knee joint.

Patella:

Also known as the kneecap, it is a small bone fronting the knee joint, which receives direct support and stabilization from the tendons of the quadriceps femoris group during movement