How about doing 4 sets of 9 reps for a total of 36? Maybe work your way up from less than 12 reps.
I think I would also find doing 12 reps to be a grind. At any rate, hope they at least get a sliver better over the next few weeks.
My Favorite Part Of Lifting Is Having The Opportunity
Meet PR's: (May 2014) Raw Natural
Squat 475 lbs
Bench: 286 lbs
Deadlift: 501 lbs
Total: 1262 lbs
Squat: 495 lbs
Bench: 300 lbs
Deadlift: 520 lbs/500X5
Total: 1315 Lbs