Here's a great back workout you can do using the giant set technique. Try not to take any more than 30 seconds rest between exercises.
Giant Set Back Workout
| EXERCISE | SETS | REPS | 
| Deadlift | 4 | 8,8,10,12 | 
| Bent-Over Row | 4 | 8,8,10,12 | 
| Rack Pull | 4 | 8,8,10,12 | 
| Pull-Up | 4 | 8,8,10,12 | 

