Quadriceps
| Quadriceps femoris muscle | |
|---|---|
Quadriceps femoris, with different muscles in different colors.
rectus femoris
vastus lateralis
vastus intermedius
vastus medialis | |
| Details | |
| Origin | Combined rectus femoris and vastus muscles |
| Insertion | Tibial tuberosity |
| Artery | Femoral artery |
| Nerve | Femoral nerve |
| Actions | Knee extension; hip flexion (rectus femoris only) |
| Identifiers | |
| Latin | musculus quadriceps femoris |
| MeSH | D052097 |
| TA98 | A04.7.02.017 |
| TA2 | 2613 |
| FMA | 22428 |
| Anatomical terms of muscle | |
The quadriceps femoris muscle (/ˈkwɒdrɪsɛps ˈfɛmərɪs/, also called the quadriceps extensor, quadriceps or quads) is a large muscle group that includes the four prevailing muscles on the front of the thigh. It is the sole extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur. The name derives from Latin four-headed muscle of the femur.