human) head. face is used when referring to physical features: a pretty face with high cheekbones. countenance, a more formal word, denotes the face as it is affected by or reveals a person's state of mind; hence, it often signifies the look or expression on the face: a thoughtful countenance.
Muscles Around the Knee. 1  Quadriceps femoris musclesâa large muscle group on the front of the thigh. 2  Vastus lateralisâpart of the quadriceps femoris on the outside-front of the thigh, it extends or straightens the leg and is controlled by the femoral nerve. Vastus lateralisâpart of the quadriceps femoris on the outside-front of the thigh, it extends or straightens the leg and is controlled by the femoral nerve. 2  Vastus intermediusâpart of the quadriceps femoris on the center-front of the thigh, it extends or straightens the leg and is controlled by the femoral nerve.
There are four ligaments in the knee that are prone to injury: Anterior cruciate ligament (ACL) is the most commonly injured knee ligament. It connects the thigh bone to the shin bone. Posterior cruciate ligament (PCL) also links the thigh bone to the shin bone in the knee. (Itâs rarely injured except in car accidents). Lateral collateral ligament (LCL) connects the thigh bone to the fibula, the smaller bone of the lower leg on the outer side of the knee.