el muslo
You can say "muslo de pollo".
If it is below the inner thigh, it has to be the lower leg and if about the knee is the thigh, itself. There is no name for what you described.
Your thigh muscle is called your Quadricep.
From Zeus's thigh.
thigh
no
no
you curl with your thigh
The femur or thigh bone.
The plural form for the noun thigh is thighs.
May I touch your thigh
what causes inner thigh cramp