Cathe, help! I seem to be struggling w/incline bench chest press on STS. For the 2nd week in a row, I haven't been able to complete the reps; I don't even even come close to 12 reps - this morning I only did 7 reps the 1st time; then 5 reps 2nd round; & only after reducing my wt by 6lbs. did I...