Lower body workout

This morning I trained lower body. This time I trained my lower body backwards. I started training calves first and front thighs last. I started out with 15 minutes on the bike. Below is my workout:
Seated calf raise machine 6 x 20-25
Hyperextensions 4 x 12
Seated leg curls 4 x 12
Leg extensions 4 x 12
Leg press 4 x 10-15
Outer leg machine 3 x 15-20
Inner leg machine 3 x 15
Leg extensions (one leg at a time) 3 x 15
Bench knee-in 3 x 20
Crunches 3 x 20

Weights were moderate heavy can't do super heavy workouts due to lower back problems. Since I'm a fast trainer I rested 30-45 seconds between sets.

I will take the next two days off. Have trained all the my body parts this week.