The "hamstrings" or semimembranosus and semitendinosus muscles.
A quadriceps femoris is the large muscle that covers the front and sides of your thigh. It is a group of 4 total muscles that sit on top of the thigh.
Quadricpes femoris group
gracilis , adductor longus , adductor brevis and upper part of adductor magnus
Your Hamstream and your Guadriceps.
The gluteal muscles.
Quadriceps
The quadriceps femoris.
The muscle group is called the Quadriceps
hamstrings
The thigh could have many anatomical names. The thigh is lateral. The thigh is inferior to the head. The thigh is superficial to the gluteus minimus. It all depends on how you are trying to use it.
The femur, the large bone in your thigh.
femur, tibia, fibula