How to Use 5x5 Instead of 12x2 for Weight Lifting

When is it better to use 5x5 instead of 12x2? Okay. If the fifth rep moves as fast as the second rep, your model did 5 reps. Heavy weight lifters have to do more reps than lightweight lifters. And none of them, I've got them. You're not in the greatest shape. So it's a lot better.