Vastus medialis

Definition

The vastus medialis is one of the four quadriceps muscles, located on the inner part of the thigh, which plays a crucial role in extending the knee and stabilizing the patella. It originates from the femur and attaches to the patellar tendon.

Related terms

Quadriceps Femoris: A muscle group consisting of four muscles on the front of the thigh that work together to extend the knee.

Patella:

Also known as the kneecap, it is a small bone positioned in front of the knee joint, providing leverage and protection.

Knee Extension: The movement produced primarily by the quadriceps muscles, including the vastus medialis, involving straightening of the knee joint