Quadriceps
Quadriceps Femoris
Short definition
Quadriceps femoris — extends the knee.
Full definition
Quadriceps femoris has four heads (rectus femoris, vastus lateralis, medialis, intermedius), extending the knee, with rectus femoris also flexing the hip; the prime mover in squats and leg presses.
Examples
Barbell squats are the primary Quadriceps exercise.