Quadriceps: ( Thighs ) The quadriceps are the front of the thigh that are made up of four muscle groups. Rectus femoris, Vastus Lateralis of the outer thigh,
Vastus Medialis of the inner thigh and the Sartorius.
Basic function:To extend and straighten the leg.
Quadricep Exercises:Click here for Instructions and Sample exercise videos
for the Quadriceps.