Exercises are in order:
Estimated Workout time: 40 minutes

1. 4 sets of Leg Extension Click here for leg exercises
2. 3 sets of Leg Press
3. 3 sets of Hamstrings Curl
4. 3 Sets of Calf Raise
5. 20 minutes of cardio

Keep in mind that these were just the exercises that I picked, you can easily substitute other exercises for each muscle group.