Here's what I used to do that worked reall well for lower body.
Workout A
1 Hamstring Compound (deads, goodmornings, rdls, stiff leg deads)
2 Quads ( leg press, hack squats, machine squats)
3 Low back iso. or quads iso. (Back extentions, leg extentions)
4 Calves
5 abs
Workout B
1 Quads ( squats, front squats)
2 single leg squat variation (lunges, step ups, single leg squats)
3 Hamstrings iso. ( hamstring curl variation)
4 Calves
5 abs
I would do each workout every 4-5 days.