Back to muscle library
Anterior anatomical illustration highlighting the rectus femoris muscle
Gray's Anatomy, Wikimedia Commons, public domain Image reference

Anterior thigh

Rectus femoris

Extends the knee and flexes the hip

Origin
Anterior inferior iliac spine and ilium superior to the acetabulum
Insertion
Tibial tuberosity through the quadriceps tendon, patella, and patellar ligament
Primary actions
Extends the knee and flexes the hip

Anatomy reference

OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs

Open reference

Educational anatomy reference only. This page does not diagnose pain, injury, or movement limitations.

From anatomy to action

Explore the movement, not just the muscle.

A single muscle rarely explains a movement by itself. Use the related movement content to see how this anatomy may contribute, then choose a focused program when you want a complete progression.

Corrective movement strategies and exercises