Which muscles are located in the anterior part of the thigh?

The quadriceps femoris is indeed located in the anterior part of the thigh and is vital for the function of extending the knee joint. It is composed of four muscles: the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. This muscle group plays a crucial role in various activities, including walking, running, and jumping, as it is primarily responsible for straightening the leg at the knee.

The other muscle groups mentioned are located in different anatomical regions and serve different functions. The hamstring muscles, for example, are situated in the posterior part of the thigh and are involved in flexing the knee and extending the hip. The gastrocnemius is primarily located in the posterior compartment of the lower leg and contributes to plantar flexion of the foot. Lastly, gluteal muscles, found in the buttocks, are responsible for movements of the hip and thigh but are not located in the anterior thigh. This distinction helps clarify the specific anatomy and functions of the quadriceps femoris in relation to the rest of the muscle groups listed.