Muscles / Quads
Rectus femoris
- Quads
- Thigh & knee
- Superficial layer
Part of Quadriceps femoris.
Anatomy
- Origin
- Anterior inferior iliac spine and ilium superior to the acetabulum
- Insertion
- Base of the patella; tibial tuberosity via the patellar ligament
Actions
- Extends the knee
- Flexes the hip
Exercises that train it most
Also trained by
Notes
- Crosses two joints; tested for length in the modified Thomas test (knee angle).
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e