Lastly, the posterior thigh muscles are in the back of your legs. Three smaller muscles are found here in the semitendinosus, the semimembranosus, and the biceps femoris.

The lower leg lies between the knee and ankle and works with the upper leg and foot to help perform key functions. In the leg are a number of bones, muscles, tendons, nerves and blood vessels ...

We’ll break down the anatomy and function of the upper leg, knee, lower leg, ankle, and foot. You’ll learn about the muscles, bones, and other structures of each area of the leg.