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: 1  Mentioned above, the anterior cruciate ligament (ACL) is one of the two major ligaments in the knee. 2  It connects the thigh bone to the shin bone in the knee. 3  ACL injuries are a common cause of disability in the knee. Mentioned above, the anterior cruciate ligament (ACL) is one of the two major ligaments in the knee. 2  It connects the thigh bone to the shin bone in the knee. 3  ACL injuries are a common cause of disability in the knee.