Back متسعة إنسية Arabic Múscul vast medial Catalan Musculus vastus medialis German Músculo vasto medial Spanish ماهیچه پهن میانی Persian Muscle vaste médial French Muscolo vasto mediale Italian 内側広筋 Japanese 안쪽넓은근 Korean Musculus vastus medialis Dutch
| Vastus medialis | |
|---|---|
 Muscles of lower extremity (Rectus Femoris has been removed) | |
| Details | |
| Origin | Medial side of femur |
| Insertion | Quadriceps tendon |
| Artery | Femoral artery |
| Nerve | Femoral nerve |
| Actions | Extends knee |
| Identifiers | |
| Latin | musculus vastus medialis or musculus vastus internus |
| TA98 | A04.7.02.023 |
| TA2 | 2620 |
| FMA | 22432 |
| Anatomical terms of muscle | |
The vastus medialis (vastus internus or teardrop muscle) is an extensor muscle located medially in the thigh that extends the knee. The vastus medialis is part of the quadriceps muscle group.