1.   vastus medialis muscle

2.   vastus lateralis muscle

3.   sartorius muscle

4.   semimembranosus muscle

5.   semitendinosus tendon

6.   short head of biceps femoris

7.   long head of biceps femoris

8.   quadriceps tendon

9.   popliteal artery and vein

10. femur

11. gracilis muscle / tendon

12. great saphenous vein

Sagittal Knee Anatomy