Originally Posted by ValdostaGatorFan
I'm planning 8 reps at higher weights as opposed to more reps with less weight. But then again, I don't really know what I'm doing.
You're young. Trust me, just about anything will work for you. Just do it. But if I had to choose between 5-10 reps and, say, 15-20 reps, I'd take the former just about every time.