I then ended with few sets of pull ups, and did a few more reps than normal. (nerdfitness.com)
Level 1 Training, while still maintaining the effectiveness of the main program, utilizes workouts with fewer sets, longer rest periods and lower - intensity cardio training. (fitstep.com)
If they feel good, they do more sets, if they don't, they do fewer sets. (fitnessandpower.com)